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EP4023838B1 - Baguette couvre-joint en matière plastique - Google Patents

Baguette couvre-joint en matière plastique Download PDF

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Publication number
EP4023838B1
EP4023838B1 EP21212223.8A EP21212223A EP4023838B1 EP 4023838 B1 EP4023838 B1 EP 4023838B1 EP 21212223 A EP21212223 A EP 21212223A EP 4023838 B1 EP4023838 B1 EP 4023838B1
Authority
EP
European Patent Office
Prior art keywords
plastering
strip
leg
area
building
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21212223.8A
Other languages
German (de)
English (en)
Other versions
EP4023838A1 (fr
EP4023838C0 (fr
Inventor
Oliver C. Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun Magdalena
Original Assignee
Braun Magdalena
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Braun Magdalena filed Critical Braun Magdalena
Publication of EP4023838A1 publication Critical patent/EP4023838A1/fr
Application granted granted Critical
Publication of EP4023838B1 publication Critical patent/EP4023838B1/fr
Publication of EP4023838C0 publication Critical patent/EP4023838C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/06—Edge-protecting borders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B2001/624—Tightening or covering joints between the border of openings and the frame or between contiguous frames with parts to be embedded in the stucco layer or otherwise linked to this layer
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B2001/626—Tightening or covering joints between the border of openings and the frame or between contiguous frames comprising expanding foam strips

Definitions

  • the present invention relates to a plastering strip made of plastic with a net-like reinforcing material section attached thereto, in particular made of glass mesh, glass silk or plastic fabric or of glass mesh, glass silk or plastic scrim, for embedding in or under a plaster layer, in particular a plaster layer on a thermal insulation of a building wall.
  • Plaster strips are known in numerous designs. Particularly typical designs are plaster strips that are attached to a window or door frame and allow the plaster layer to be plastered onto the plaster strip instead of up to the window or door frame. This decouples the thermal insulation and/or the plaster layer from the window or door frame, which ensures that no damage, for example through cracks or crumbling, occurs at the end of the plaster layer in the event of large temperature fluctuations that typically occur, and that the plaster layer remains intact at the end, and that the transition between the window or door frame and the thermal insulation and/or plaster layer is permanently and securely sealed.
  • a plaster strip is available, for example, from the EP 0 875 641 A2 known.
  • Another type of plastering strip is a finishing rail. This is often attached to the building with a first inner leg.
  • the second intermediate leg usually has insulation on its end face.
  • a plaster is often applied to the outside of such insulation panels, which extends to a third outer leg of such a finishing rail.
  • Such a finishing rail is made, for example, from the DE 125 39 526 A1 known.
  • plastering corner strips are so-called plastering corner strips. These are often applied to building corners and serve to ensure a reliable finish for the plaster layer on the first side of the building corner and a reliable finish for the plaster layer on the second side of the building corner and to prevent the plaster from crumbling at the building corner.
  • a plastering corner strip is, for example, made of DE 100 38 279 A1 known.
  • Such plaster strips often have a reinforcing material section through which the plaster compound penetrates and which improves the fastening and adhesion of the plaster layer.
  • the EN 10 2013 110 110 A1 shows a plastering strip for placement at a transition between a first component of a building, in particular a window or door frame, a window sill, a beam, a metal connection or a pilaster strip, and a second component of a building, in particular a thermal insulation and/or a plaster layer, which comprises a base area made of plastic; a plastering area made of plastic, which is intended for plastering into the plaster layer and/or for a firm connection to the thermal insulation; and a net-like reinforcing material made of plastic or glass silk fabric for embedding in or under a plaster layer, in particular a plaster layer on a thermal insulation of a building wall.
  • the reinforcing material is connected to the plastering area by means of a laser-welded connection, in particular by means of a laser transmission-welded connection.
  • a corner reinforcement made of fabric, preferably glass fiber mesh, is known as a plaster insert in the area of window lintels, window sills or similar wall openings, in which sections lying over corners are each individually designed in an angle shape with an angle apex line that intersects the corner edge, and in which the fabric of one section extends over the corner edge to an overlap of the adjacent section.
  • a stabilizing angle rail is provided which is connected to the fabric and which lies with its apex edge in the inner groove of the angle apex line and has a bend whose bend line runs in the corner edge.
  • a net-like reinforcing material section in particular made of glass mesh, glass silk or plastic fabric or of glass mesh, glass silk or plastic scrim, is attached to a plaster strip made of plastic according to the invention for embedding in or under a plaster layer, in particular a plaster layer on a thermal insulation of a building wall.
  • the reinforcement material section includes a finish or coating that is flame retardant-free and has a non-flammable or non-combustible material that falls at least into fire protection class B2 "normally flammable” according to DIN standard 4102-1, in particular into fire protection class B2 "normally flammable” according to DIN standard 4102-1 or into fire protection class B1 "flame-retardant” according to DIN standard 4102-1 or into fire protection class A2 "non-flammable” according to DIN standard 4102-1.
  • the reinforcing material section together with the finish or coating has a basis weight of 100 - 300 g/m 2 , in particular of 150 - 200 g/m 2 .
  • the weight of the finish or coating amounts to 5 - 50 % of the total weight of the reinforcement material section plus finish or coating.
  • a reinforcing material section with a finish or coating which together have such a weight per unit area and/or a reinforcing material section in which the weight of the finish or coating has such a proportion of the total weight combines the advantages of stability and durability with simultaneous bendability and flexibility, good plasterability and cost-effective production with simultaneous flame-retardant effect.
  • the reinforcing material section of conventional plaster strips is often provided with a coating that is inherently is highly flammable. This has not been taken into account so far, as only the base material of the plastering strip and its flammability were in focus.
  • the inventor has found that by forming the finish or coating as claimed in independent claim 1 and described here, the behavior of the reinforcing material section in the event of fire can be reduced to at least fire protection class B2 "normally flammable", in particular to fire protection class B2 "normally flammable”, or to fire protection class B1 "flame-retardant” or to fire protection class A2 "non-flammable”, each according to DIN standard 4102-1, which results in a corresponding classification of the plaster strip as a whole in precisely this fire protection class.
  • the behavior of the reinforcement material section in the event of a fire is reduced to at least fire protection class B2 "normally flammable" according to DIN standard 4102-1 and because the risk of ignition of the plaster strip as a whole is reduced, the occurrence or spread of a fire in the delivery state, in the installed state and also during the installation phase, during which the reinforcement material section is partially accessible to a flame over a large area, is effectively counteracted.
  • the synonymous formulation "the finish or coating does not fall into fire protection class B3 "highly flammable” according to DIN standard 4102-1" can also be used.
  • a plastering strip made of plastic according to the invention can be any plastering strip, as long as it has a net-like reinforcing material section, in particular made of a glass mesh, glass silk or plastic fabric or of a glass mesh, glass silk or plastic scrim, and as long as this net-like reinforcing material section is intended or intended for embedding in or under a layer of plaster, in particular a layer of plaster on thermal insulation or a building wall.
  • the plastering strip made of plastic according to the invention comprises: end rails, which can also be referred to as end strips, plastering corner strips, which can also be referred to as fabric corner angles, plastering strips for placement at a building transition between a first component of a building, in particular a window or door frame, a window sill, a beam, a metal connection or a pilaster strip, and a second component of a building, in particular a thermal insulation and/or a plaster layer, as well as drip edge plastering strips and expansion joint plastering strips.
  • end rails which can also be referred to as end strips
  • plastering corner strips which can also be referred to as fabric corner angles
  • plastering strips for placement at a building transition between a first component of a building, in particular a window or door frame, a window sill, a beam, a metal connection or a pilaster strip, and a second component of a building, in particular a thermal insulation and/or a plaster layer, as well as drip edge plastering strips and expansion
  • the finish or coating of the reinforcing material section according to the invention surrounds the net-like reinforcing material at least on the outside, i.e. on the side facing the outside of the building, and in particular surrounds or envelops the entire net-like reinforcing material section.
  • a finishing treatment is understood to mean when the reinforcement material section is immersed in the liquid mass of the finishing material, then removed from this again and dried.
  • the finish includes a non-flammable or non-combustible material that inherently falls into at least fire protection class B2 "normally flammable" according to DIN standard 4102-1.
  • a coating of the net-like reinforcing material section is understood to mean the application of the coating to the net-like reinforcing material section in a manner other than dipping, removing and subsequent drying, in particular the application of a coating by spraying, spreading, brushing or rolling.
  • the coating which is inherently made of a non-flammable or non-combustible material that falls at least into fire protection class B2 "normally flammable" according to DIN standard 4102-1, can be applied directly to the mesh-like reinforcement material section, in particular sprayed, painted, brushed or rolled on.
  • the invention eliminates the need to add a flame retardant, which saves costs and simplifies the manufacturing process.
  • the reinforcement material section is usually located under the plaster surface, and in most cases it is itself attached to the substrate using filler.
  • the reinforcement material section improves the adhesion of the plaster to the substrate and ensures that the plaster remains permanently crack-free.
  • the fire protection class B1 "flame-retardant" means that the flammability when exposed to edges or surfaces with a small flame is limited to the level specified in DIN 4102-1.
  • the fire protection class B2 "normally flammable" means that the fire extinguishes itself once the fire source is removed.
  • the plastering strip according to the invention is to be regarded as external wall cladding within the meaning of 6.1.1 b).
  • the fire spread In a test in which the flames emanating from a wall opening are modeled and the resulting stress, the fire spread must not extend significantly outside the primary fire area.
  • plastering strips according to the invention which are to be regarded as building materials, excluding floor coverings, meet the requirements for classification in building material class B1 if they pass the fire shaft test and meet the requirements of building material class B2.
  • Plastering strips according to the invention fall into building material class B2 if, under the stress of a small, defined flame (match flame), the ignitability and the flame spread are limited within a certain time, see 6.2.1 of DIN standard 4102-1.
  • the outer strip can be glued to the angle rail or clipped onto the angle rail. Both types of connection can be easily carried out on the construction site, for example, and result in a permanent connection that can withstand even adverse weather conditions.
  • the outer strip can have a front-side end leg that is designed to rest against a front-side end leg of the insulation. With such a front-side end leg, the outer strip can be attached to the insulation easily and in a precise position.
  • the outer strip can have an additional leg that forms a drip nose for water.
  • This additional leg can, for example, protrude downwards at the lower end of the thermal insulation during installation and reduce the amount of water that gets from the outside towards the thermal insulation and towards the building. This keeps the angle rail drier and also prevents too much water from getting to the adhesive strip if the outer strip is glued to the angle rail.
  • the angle rail and the outer strip can be connected to one another by means of an adhesive strip, in particular by means of an adhesive strip provided between the second leg of the angle rail and the end-face leg of the outer strip.
  • This adhesive strip which also comprises a quantity of applied adhesive, reliably and permanently connects the angle rail and the outer strip and provides a good seal therebetween.
  • a flexible transition area can be provided between the outer leg and the end-face leg of the outer strip. This can allow a change in position between the outer leg and the end-face leg within a certain angle range, so that the end rail according to the invention can be used for different installation situations.
  • the transition area can have a transverse insertion area for a connector. This means that a connector can be inserted transversely into the transition area and the end rail can be connected to and adjusted with an end rail arranged transversely next to it.
  • the end rail arranged next to it then preferably also has a transverse insertion area into which the connector can be inserted. This ensures that the two end rails arranged next to one another are fixed in place.
  • the second leg of the angle rail can form a stepped profile, particularly in its outer end region.
  • the outer end region can be at a height level below the height level of the remaining area of the second leg of the angle rail.
  • the outer strip is often glued or attached to the outer end region of the second leg. This means that the top of the second leg of the angle rail and the top of the end-face leg of the outer strip can be at the same height level, which enables a favorable connection to the thermal insulation arranged above.
  • a plastering area can be formed from at least one of the legs. This makes it easier to plaster the plastering corner strip.
  • a transition area can be provided between the first and the second leg. This can allow a change in position between the two legs within a certain angle range, so that the plaster corner strip according to the invention can be used for different installation situations.
  • the transition area can be provided with a groove-like profile at least on the side facing the plastering area. This kind of groove profile increases the surface area of the leg with which the plaster forms a bond, thus improving adhesion.
  • the transition area can have a transverse insertion area for a connector. This means that a connector can be inserted transversely into the transition area and the plaster corner strip can be connected to a plaster corner strip arranged next to it or above/below it.
  • the plaster corner strip arranged next to it is then preferably also provided with a transverse insertion area into which the connector can be inserted. This ensures that the two plaster corner strips arranged next to each other are fixed in place.
  • a particularly flexible transition area is provided between the first and the second leg. This can allow a change in position between the two legs within a certain angular range, so that the plaster corner strip according to the invention can be used for different installation situations.
  • the fixing area and the plastering area can be formed as one piece.
  • Such a plastering strip reliably seals the building transition and is relatively simple in construction.
  • the fixing area can have an adhesive strip for attachment to the first building component.
  • Such an adhesive strip reliably connects the plastering strip with its fixing area to the building component.
  • adhesive strip also includes an amount of adhesive applied in strip form.
  • the design can be such that the adhesive strip, which on one side is connected to the rest of the plastering strip and on the other side can be glued to the first building component, already represents the fixing area as such.
  • there are alternative ways of forming the fixing area in particular screwing the plastering strip to one of the two building components or clamping it in a gap between the first component of the building and the thermal insulation or fixing or fastening it to the insulation.
  • the fixing area and the plastering area can be designed separately from one another in such a way that - if necessary after detaching a strip-shaped protective tab - a relative movement between the fixing area and the plastering area is made possible by means of a guide connection.
  • the plastering strip is designed in two parts, with one part being formed by the fixing area and the other part by the plastering area.
  • Such relative mobility between the fixing area and the plastering area means that material movements, for example as a result of temperature fluctuations or shrinkage between the fixing area firmly connected to the first building component and the plastering area firmly connected to the plaster layer, can be easily and reliably compensated for by allowing a relative movement of the plastering area to the fixing area.
  • the sealing function of the plastering strip is retained without the plaster connection or the plaster being damaged.
  • the fixing area and the plastering area can be connected to one another via a flexible material section that allows relative movement between the fixing area and the plastering area.
  • the plastering strip can also compensate for material movements, for example as a result of temperature fluctuations between the first and second building components, by means of a movement, for example an expansion of the flexible material section.
  • the sealing function of the plastering strip is maintained without the plaster being damaged.
  • a delayed expansion strip may be provided which is designed to expand towards one of the two building components and adhere to it - if necessary after releasing a containment area - in order to ensure a seal between the two components.
  • the glass grid or glass silk fabric or the glass grid or glass silk scrim of the reinforcement material section falls into fire protection class A1 or A2 "non-flammable” according to DIN standard 4102-1, or the plastic fabric or plastic scrim of the reinforcement material section falls into fire protection class B1 "flame-retardant” or fire protection class B2 "normally flammable” according to DIN standard 4102-1.
  • the combination of the reinforcement material section and the finish or coating of the reinforcement material section therefore falls at least into fire protection class B2 "normally flammable” according to DIN standard 4102-1, in particular into fire protection class B2 "normally flammable” according to DIN standard 4102-1 or into fire protection class B1 "flame-retardant” according to DIN standard 4102-1 or into fire protection class A2 "non-flammable” according to DIN standard 4102-1.
  • the inventor of the present patent application has recognized that these materials, on the one hand, have the necessary structural properties for the reinforcement material section that they surround, in particular with regard to the ability to be plastered and the good adhesion of the plaster to it, with regard to temperature resistance and stability, while at the same time being flexible, and with regard to durability and longevity.
  • these materials for the finishing or coating of the reinforcement material section inherently fall into a favorable fire protection class, in particular at least into fire protection class B2 "normally flammable” according to DIN standard 4102-1, in particular into fire protection class B2 "normally flammable” according to DIN standard 4102-1 or into fire protection class B1 "flame-retardant” according to DIN standard 4102-1 or into fire protection class A2 "non-flammable” according to DIN standard 4102-1.
  • Latex is generally a polymer dispersion, i.e. a mixture of plastic particles and a water-like liquid.
  • PC Polycarbonate
  • Polyetheretherketone/Polyetheretherketones falls into the classification V0 according to UL 94 (0.41 mm) and is semi-crystalline and intrinsically flame-retardant.
  • PVDF Polyvinylidene fluoride
  • Polyvinyl acetate is abbreviated as PVAC, sometimes just PVA.
  • Polyphenylsulfone/Polyphenylsulfones falls into the classification V0 according to UL 94 (0.75 mm).
  • Polyethersulfone/Polyethersulfones falls into the classification V0 according to UL 94 (1.5 mm).
  • Perfluoroalkoxy copolymers fall into the V0 classification according to UL94.
  • Chlorobutadiene rubber (CR) is self-extinguishing and extremely flame-retardant.
  • Ethylene-propylene-diene rubber/ethylene-propylene-diene rubbers are ozone and UV resistant
  • Polyetherimide/Polyetherimide falls into the classification V0 according to UL 94 (0.41 mm) and is inherently flame retardant.
  • Phenolic resins fall into the V0 classification according to UL94, are thermosets and are characterized by their rigid and brittle material properties.
  • the first plastering strip 2, the second plastering strip 26, the end rail 68 and the plastering corner strip 96 are described below as representative of any plastering strips, end rails and plastering corner strips in which a net-like reinforcing material section, in particular made of glass mesh, glass silk or plastic fabric or of glass mesh, glass silk or plastic scrim, is attached for embedding in or under a plaster layer, in particular a plaster layer on a thermal insulation of a building wall, and in which this reinforcing material section comprises a finish or coating described below.
  • the extruded parts can be produced inexpensively and are characterized by a profile cross-section that is constant over their entire length.
  • plastering strips made of plastic are used as examples ( Figures 1 and 2 ), a finishing rail ( Figure 3 ) and a plaster corner strip ( Figure 4 ) are shown and described, in which a reinforcing material section is attached to the corresponding plaster strip, in particular to a base body thereof.
  • the invention is not limited to these exemplary plastering strips made of plastic, but that other types of strips, such as a drip edge plastering strip or an expansion joint plastering strip, are also covered by the present invention, as long as these strips only have a reinforcing material section with a finish or coating according to the patent claims.
  • Fig.1 and 2 show the plastering strips 2 and 26 in the delivery state, where the strip-shaped protective tab has not yet been separated.
  • the first plastering strip 2 shown as an example comprises a fixing area 4 and a plastering area 10 with a reinforcing material section 18 and a strip-shaped protective tab 22.
  • the fixing area 4 and the plastering area 10 are formed integrally with each other, so that the present plastering strip 2 can also be referred to as a one-piece plastering strip 2.
  • the strip-shaped protective tab 22 is connected to a plaster end side 14 of the plastering area 10 by means of a break-off material bridge 24.
  • the strip-shaped protective tab 22 also has a spacer web which can rest against the outside of a first building component when the plastering strip 2 is in the assembled state.
  • the fixing area 4, the plastering area 10 and the strip-shaped protective tab 22 are manufactured together by extrusion from one material.
  • the determination area 4 is currently covered by a Fig.1 horizontally running base wall 6 and an adhesive strip 8 fixed thereto, which is intended for fastening to a first building component, for example a window or door frame.
  • the first building component to which the adhesive strip 8 rests can also be designed as a window sill, a beam, a metal connection, or a pilaster strip.
  • the plastering area 12 is formed by the outside of the projection leg 12, by the plaster end side 14 directed away from the window or door frame and by the reinforcing material section 18.
  • the first plastering strip 2 has a stepped course; the underside of the plaster end face 14 is, in relation to the installation situation, closer to the window/door frame than the underside of the base wall 6.
  • the reinforcing material section 18 is here connected to the support leg 12 by means of a connection, which is shown here as an example as an ultrasonic weld 20.
  • the plaster end side 14 directed away from the window or door frame and the surface of the projection leg 12 directed away from the thermal insulation towards the opposite window or door frame side are provided with a groove profile 16 to improve the adhesion of the plaster.
  • the plastering strip 2 is first cut to the appropriate length specified by the dimensions of the window or door opening and then attached to the transition between the window/door frame and the thermal insulation by inserting the plastering strip 2 with its fixing area 4 into the gap between the window or door frame and the thermal insulation, so that the plastering strip 2 rests with the top of its base wall 6 on the gap-side front side of the thermal insulation, rests with the back of its extension leg 12 on the outside of the thermal insulation and is glued to the surface of the window or door frame with the adhesive strip 8.
  • the plastering is carried out.
  • a plaster layer is applied behind the reinforcing material section 18 that embeds the reinforcing material section 18 and the plastering area 10 up to a plaster removal edge, which is essentially formed by the end of the plaster end side 14, to which the strip-shaped protective tab 22 is connected.
  • the strip-shaped protective tab 22 is broken off and removed after the plastering has been completed.
  • the adhesive strip 8 may have a certain expansion and contraction capability to accommodate changes in distance between the underside of the base wall 6 and the surface of the window or door frame to a certain extent, which ensures good sealing in changing conditions.
  • the element 8 can also be designed as an expansion strip with a certain ability to expand and shrink, without the need for adhesive on the side facing the window or door frame. In this case, it is inserted and essentially braced in the gap or attached to the insulation. This also allows changes in the distance between the underside of the base wall 6 and the surface of the window or door frame to be compensated within certain limits, which ensures good sealing under changing conditions.
  • the second plastering strip 26 shown as an example has, like the first plastering strip 2, a fixing area 28, which can be fastened with a section to a first building component, in particular a window or door frame, a plastering area 40, which in the present case is designed as a displaceable front area 40, to which a reinforcing material section 64 is fastened and which, together with the reinforcing material section 64, is intended for embedding in a plaster layer, and a strip-shaped protective tab 26.
  • the adhesive layer applied to the outside of the strip-shaped protective flap 60 is now visible; it is connected to both the fixing area 28 and the plastering area 40 via a break-off material bridge 62, otherwise it matches the strip-shaped protective flap 22 from Fig.1 and will not be explained again below.
  • the second plastering strip 26 is now designed in two parts, with a fixing area 28 and a plastering area 40 that can be moved relative to it.
  • the fixing area 28 comprises a base wall 30 with an adhesive strip 32 attached to its underside, which, when the plastering strip 26 is mounted, rests with its underside in a sealing manner against the window or door frame and is glued thereto if necessary.
  • the expansion strip 32 is made of a flexible material, it can be compressed and expanded again to accommodate changes in distance between the underside of the base wall 30 and the surface of the window or door frame within certain limits.
  • a protective lip 34 extends downwards at the right-hand outside end of the base wall 38.
  • This protective lip can be made of a softer, flexible plastic material and thus have a certain degree of flexibility.
  • a flexible protective lip 34 rests against the surface of the window or door frame, specifically at a position outside the adhesive strip 32, and thus reliably prevents moisture from reaching the adhesive strip 32.
  • the protective lip 34 can in particular be co-extruded together with the base wall 30 and the guide extension 36 explained in more detail below, with the plastering area 40 and the strip-shaped protective tab 60.
  • a guide extension 36 projects upwards from the base wall 30 and is formed integrally therewith.
  • This guide extension 36 comprises a widened end head 38 arranged at the top, an extension wall region of reduced wall thickness located thereunder and an extension wall region of further reduced wall thickness forming the connection with the base wall 30.
  • the movable plastering area 40 is divided into a projection leg 36 arranged at the top, a receiving space 42 attached behind it with an inner thermal insulation attachment side 48 and an outer plaster side 54, wherein the projection leg 46 has an inner plaster side 50 and an outer plaster side 54, and a plaster end side 56 attached to the lower outer end of the receiving space 42 and extending outwards.
  • the receiving space 42 is dimensioned such that the front end of the end head 38 is positioned a short distance from the upper wall of the receiving space 42 when the guide extension 36 is completely located in the receiving space 42 and accordingly when the rear end surface of the side walls of the receiving space 42 rests against the front of the base wall 30.
  • Opposite guide projections 44 are attached to the lower end of the inner sides of the receiving space 42 and extend so far inward, relative to the axis of symmetry of the receiving space 42, that they receive and guide the guide extension 36 between them. In the position of the guide extension 36 shown, the guide projections 44 engage in the lowest region of the guide extension 36 with reduced wall thickness and hold this guide extension 36 and thus the entire fixing region 36 in the minimum displacement position with respect to the movable plastering region 40.
  • the guide projections 44 can consist of a plastic material that is softer than the material of the movable plastering area 40.
  • the plastering area 40 can be displaced relative to the fixing area 28, up to a maximum displacement position at which the guide projections 44 strike the end head 38. This allows movements between the thermal insulation/plaster layer and the window/door frame to be compensated in a particularly advantageous manner.
  • the upper projection leg 46 extends upwards from a central area of the upper wall of the receiving space 42.
  • the inner plaster side 50 and the outer plaster side 52 of the projection leg 46, the outer plaster side 54 of the outer wall of the receiving space 42 and the plaster end side 56 are provided with a channel profile 58 in order to increase the surface to which the plaster adheres and thus create a better connection with the plaster.
  • This channel profile 58 can, as in Fig.2 visible, also extend over the front wall of the receiving space 42.
  • the plastering strip 26 When installing the second plastering strip 26, there does not have to be a gap between the thermal insulation and the window/door frame.
  • the plastering strip 26 is first cut to the appropriate length specified by the dimensions of the window or door opening and then attached to the transition between the window/door frame and the thermal insulation by placing the thermal insulation contact side 48 against the thermal insulation and placing and gluing it to the window/door frame with the adhesive strip 32.
  • the protective film is then stretched over the window or door frame and fixed to the adhesive layer of the strip-shaped protective tab 60.
  • the plastering area 40 is then plastered, if necessary after previously applying filler behind the reinforcing material section 64. This filler can in particular fill the space between the outside of the thermal insulation and the reinforcing material section 64.
  • the plaster layer When plastering, the plaster layer extends either over the entire area of the plastering area 40 provided with channel profiling 58 or, if filler has been applied, over the outer plaster sides 52, 54 and over the plaster end side 56 to the plaster end edge, which is defined by the end of the plaster end side 56.
  • the strip-shaped protective tab 60 can be removed by cutting through the break-off material bridges 62, for example by pulling them off by hand, if necessary by cutting the ends.
  • the movable plastering area 40 is now decoupled from the fixing area 28 and can move relative to the base wall 30 due to the construction with guide extension 36, end head 38, and receiving space 42 with guide projections 44, and thus compensate for movements between the thermal insulation and plaster layer as well as the window/door frame.
  • the second plastering strip 26 is a two-part plastering strip described as an example, in which two areas 28 and 40 can be moved against each other in order to compensate for movements between the thermal insulation/plaster layer and the window/door frame.
  • the invention also covers other two-part plastering strips, in particular two-part plastering strips which are at least partially inserted into a gap between thermal insulation and window/door frame.
  • the end rail 68 shown comprises an angle rail 70 and an outer strip 80 connected to it.
  • the angle rail 70 has a first leg 72, which is intended for attachment to a structure not shown here, for example to a wall, and which can be attached thereto, for example, by means of bolts or screws, and a second, essentially horizontally extending leg 74, which starts at the underside of the first leg 72, continues horizontally outwards from there and has a step 76 downwards at its end remote from the wall.
  • the outer strip 80 also has a substantially horizontally extending end-face leg 82 and an upwardly projecting outer leg 84 connected to it via a transition region 76.
  • the end-face leg 82 is arranged above the step 76 of the second leg 74 of the angle rail 70 and is glued to the step end region 76 which is set back downwards by means of a foam adhesive tape or compressed sealing tape 78.
  • the top side of the second leg 74 (with the exception of the section of the step 76) and the top side of the end face leg 82 form a plane in the present example.
  • a reinforcing material section 92 is connected to the outside of the outer leg 84 by means of suitable fastenings, which in this case are designed as ultrasonic welds 94.
  • the transition area 86 between the end face leg 82 and the outer leg 84 is rounded in the present embodiment and describes approximately a half or two-thirds circle with an opening diagonally inwards and upwards, so that an insertion area for a plug connector is formed here in the transverse direction.
  • a channel profile 104 is formed on the outer wall areas that are diagonally inwards and diagonally outwards, and the right outer wall area of the transition area 86 forms a plaster removal edge or a plaster end side.
  • a drip lip 90 is provided, which extends downwards and obliquely inwards from the lower right end region of the transition region 86. Such a drip lip 90 ensures that the underside of the angle rail 70 remains dry and that the amount of water that can reach the adhesive strip 78 is minimized.
  • the angle rail 70 When using the end rail 68, one normally works in such a way that, if necessary after cutting the end rail 68 to the corresponding predetermined length, the angle rail 70 is first attached to the building wall, normally several angle rails 70 are attached one after the other along the length of the wall, whereby at the transitions one can work with overlap or whereby at the transitions connectors are attached which engage in the transition areas 86, each of which connects two adjacent end rails 68 to one another.
  • the outer strip 80 is glued on, normally several, one after the other along the length of the angle rails 70. Then the thermal insulation is inserted, namely in such a way that its building side rests on the first leg 72 and above it on the wall and that its underside rests on the second leg 74 of the angle rail 70 and the end front leg 82.
  • the outer leg 74 together with the reinforcing material section 92 can be pivoted outwards. The insulation is attached to the wall in the usual way.
  • the reinforcement material section 92 is attached from the outside with filler to the outside of the thermal insulation. It is understood that further reinforcement material, which is not shown, overlaps the reinforcement material section 92 towards the top and is also attached to the insulation. After the filler has set or hardened, a layer of plaster is applied to the outside. The plaster in Fig.3 The outermost transition area section 86 serves as a removal edge.
  • the plaster corner strip 96 of the Fig.4 has, like the outer strip 80 of the end rail 68, a first in Fig.4 horizontally extending leg 98, a second, in Fig.4 vertical, i.e. upwardly extending leg 100, and a transition region 102 which connects the right end of the first leg 98 and the lower end of the second leg 100 to one another and essentially describes the course of a half or two-thirds circle, so that the legs 98 and 100 can be pivoted against one another and that a plug connector or plug pin can be introduced transversely into the transition region 102 in order to connect two plaster corner strips 96 lying next to one another in the transverse direction.
  • a first reinforcing material section 110 is attached to the underside of the first leg 98 by means of suitable connections, which are shown here as an example as ultrasonic welds 112, and runs to the left in the direction of the first leg 98.
  • a second reinforcing material section 114 is also attached to the outside of the second leg 100 by means of suitable connections, which are shown here as an example as ultrasonic welds 116. This second reinforcing material section 114 runs upwards in the direction of the second leg 100.
  • the outer wall area of the transition area 102 pointing downwards to the left and upwards to the right is each provided with a channel profile 104 to improve the adhesion of the plaster.
  • the lowest wall section of the transition area 102 forms a first plaster removal edge 106 and the rightmost wall section of the transition area 102 forms a second plaster removal edge 108.
  • the procedure is as follows. First, the plaster corner strip 96, in practice several plaster corner strips 96 arranged next to or on top of each other, are placed on the building corner and connected to the building in the usual way, for example by shooting in bolts. This can be done with overlapping, or adjacent plaster corner strips can be connected to one another using connectors or plug pins that are inserted into the transition areas 102 of the adjacent plaster corner strips 96.
  • the reinforcing material sections 102 are then attached from the outside to the building walls on both sides of the building corner with filler, and then further reinforcing material sections not shown here can be attached and also attached to the building wall with filler. Now the plaster is applied to both walls on both sides of the building corner from the outside, whereby the plaster removal edges 106 and 108 can specify the thickness of the plaster layer to be applied. After the plaster layer has hardened, the corner of the building is completely plastered.
  • first plastering strip 2 second plastering strip 26, end rail 68 and plastering corner strip 96
  • the reinforcing material section 18, 64, 92, 114 is attached to the respective base body of the plastering strip by welded joints, in particular ultrasonic welded joints 20, 66, 94, 116.
  • the situation is when the reinforcing material section is attached to the respective plastering strip, in particular to its main body, in another way, e.g. by clamping, snapping, gluing or the like.
  • All of the reinforcement material sections 18, 64, 92 and 114 described have in common that they have a finish or coating that is flame retardant-free and has a non-flammable or non-combustible material that falls at least into fire protection class B2 "normally flammable” according to DIN standard 4102-1, in particular into fire protection class B2 "normally flammable” according to DIN standard 4102-1 or into fire protection class B1 "flame-retardant” according to DIN standard 4102-1 or into fire protection class A2 "non-flammable” according to DIN standard 4102-1.
  • All of the described reinforcing material sections 18, 64, 92 and 114 also have in common that, together with the finish or coating, they have a basis weight of 100 - 300 g/m 2 , in particular 150 - 200 g/m 2 , and that the weight of the finish or coating makes up 5 - 50% of the total weight of reinforcing material sections 18, 64, 92 and 114 plus finish or coating.
  • the glass grid, glass silk or plastic fabric or glass grid, glass silk or plastic scrim of the reinforcing material section 18, 64, 92 and 114, taken alone, has a basis weight of approximately 130 g/m 2
  • the finish or coating, taken alone has a basis weight of approximately 35 g/m 2 , which corresponds to a proportion of 21% of the total weight.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Building Environments (AREA)

Claims (13)

  1. Baguette pour crépi (2, 26, 68, 92) en matière plastique à laquelle est fixée une section réticulaire de matériau d'armature (18, 64, 92, 114), en particulier en tissu en grille de verre, en soie de verre ou en matière plastique ou en nappe en grille de verre, en soie de verre ou en matière plastique pour l'insertion dans ou sous une couche de crépi, en particulier une couche de crépi sur une isolation thermique d'un mur de bâtiment,
    cependant que la section de matériau d'armature (18, 64, 92, 114) comporte un apprêt ou un revêtement,
    caractérisée en ce
    que l'apprêt ou le revêtement est réalisé sans retardateur de flamme et comprend un matériau non facilement inflammable ou non combustible qui tombe au moins dans la classe de protection incendie B2 « normalement inflammable » suivant la norme DIN 4102-1, en particulier dans la classe de protection incendie B2 « normalement inflammable » suivant la norme DIN 4102-1 ou dans la classe de protection incendie B1 « difficilement inflammable » suivant la norme DIN 4102-1 ou dans la classe de protection incendie A2 « non combustible » suivant la norme DIN 4102-1 ;
    que l'apprêt ou le revêtement du matériau non facilement inflammable ou non combustible comporte au moins un matériau choisi parmi le groupe suivant :
    latex,
    un acrylate (acrylate pur),
    PVDC (polychlorure de vinylidène),
    PTFE (polytétrafluoroéthylène, nom commercial Teflon),
    PFEP (perfluoro(éthylène-propylène),
    PCTFE (polychlorotrifluoroéthylène),
    PVC (chlorure de polyvinyle),
    polycarbonate(s) (PC), polyétheréthercétone(s) (PEEK), acétate de polyvinyle (PVAC), polyphénylsulfone(s) (PPSU), polyéthersulfone(s) (PES),
    polyfluorure de vinylidène (PVDT), copolymère de perfluoralkoxy (PFA), caoutchouc chlorobutadiène CR),
    caoutchoucs éthylène/propylène/diène (EPDM),
    polyétherimides (PEI), et
    résine phénolique ;
    que la section de matériau d'armature (18, 64, 92, 114) présente avec l'apprêt ou le revêtement un grammage de 100 - 300 g/m2, en particulier de 150 - 200 g/m2 ; et
    que le poids de l'apprêt ou du revêtement correspond à 5 - 50 % du poids total de la section de matériau d'armature (18, 64, 92, 114) plus apprêt ou revêtement.
  2. Baguette pour crépi selon la revendication 1, laquelle est réalisée sous forme de rail de finition pour une isolation thermique d'une construction ou une isolation acoustique d'une construction, et comporte en outre ce qui suit :
    une cornière (70) dont la première branche (72) est prévue pour la fixation à la construction et dont la deuxième branche (74) est prévue pour l'application contre une face frontale de finition de l'isolation, et
    une baguette extérieure (80) qui est fixée à la zone d'extrémité de la deuxième branche (74) de la cornière (70) et qui comporte une branche extérieure (84) pour l'application à la face extérieure de l'isolation,
    cependant que la cornière (70) et la baguette extérieure (80) sont réalisés sous forme de pièce commune d'extrusion ou sous forme de pièces distinctes d'extrusion ; et
    cependant que la section de matériau d'armature (92) à insérer dans le crépi est prévue à la branche extérieure (84).
  3. Baguette pour crépi selon la revendication 1 ou 2, cependant que la baguette extérieure (80) est collée à la cornière (70) ou est enfichée sur la cornière (70); et/ou cependant que la baguette extérieure (80) comporte une branche (82) côté finition frontal, laquelle est prévue pour l'application contre une face frontale de finition de l'isolation ; et/ou cependant que la baguette extérieure (80) dispose d'une autre branche (90) qui constitue un nez d'écoulement pour l'eau.
  4. Baguette pour crépi selon la revendication 2 ou 3, cependant que la cornière (70) et la baguette extérieure (80) sont reliées entre elles au moyen d'un ruban adhésif (78), en particulier au moyen d'un ruban adhésif (78) prévu entre la deuxième branche (74) de la cornière (70) et la branche (82) côté finition frontal de la baguette extérieure (80).
  5. Baguette pour crépi selon une des revendications de 2 à 4, cependant que, entre la branche extérieure (84) et la branche (82) côté finition frontal de la baguette extérieure (80), une zone flexible de transition (86) est prévue ; et/ou cependant que la zone de transition comporte une zone d'enfichage dans le sens transversal pour un raccord enfichable ; et/ou cependant que la deuxième branche (74) de la cornière (70) décrit un tracé en gradins (76) disposé en particulier dans la zone extérieure d'extrémité de cette dernière.
  6. Baguette pour crépi selon la revendication 1, laquelle est réalisée sous forme de baguette d'angle pour crépi pour agencement à un angle vertical ou horizontal de construction, en particulier à un angle de construction pourvu d'une isolation thermique, et comporte en outre ce qui suit :
    une première branche (98) pour l'application à la construction à la première face de l'angle de construction ; et
    une deuxième branche (100) pour l'application à la construction à la deuxième face de l'angle de construction,
    cependant que la première et la deuxième branche (98, 100) sont réalisées sous forme de pièce commune d'extrusion ou sous forme de pièces distinctes d'extrusion, et
    cependant que la section de matériau d'armature (84) à insérer dans le crépi est prévue à au moins une de la première ou la deuxième branche (98, 100).
  7. Baguette pour crépi selon la revendication 6, cependant que, par au moins une des branches (98, 100), une zone de crépissage est constituée.
  8. Baguette pour crépi selon la revendication 6 ou 7, cependant qu'une zone de transition (102) entre la première ou la deuxième branche (98, 100) est prévue ; et/ou cependant que la zone de transition (102) est, au moins à la face tournée vers la zone de crépissage, pourvue d'un profilage (104) en forme de rigole ; et/ou cependant que la zone de transition (102) comporte une zone d'enfichage dans le sens transversal pour un raccord enfichable.
  9. Baguette pour crépi selon la revendication 1, laquelle est réalisée en tant que baguette de crépissage pour la mise en place à une transition entre un premier composant d'un bâtiment, à savoir un cadre de fenêtre ou de porte, un rebord de fenêtre, une poutre, un raccord métallique ou une lésène, et un deuxième composant d'un bâtiment, à savoir une isolation thermique et/ou une couche de crépi, et comporte en outre ce qui suit :
    une zone d'ajustement (4) ; et
    une zone de crépissage (10) destinée à la mise du crépi dans la couche de crépi et/ou à la jonction à demeure avec l'isolation thermique ;
    cependant que la zone d'ajustement (4) et la zone de crépissage (10) sont réalisés sous forme de pièce commune d'extrusion ou sous forme de pièces distinctes d'extrusion ; et
    cependant que la section de matériau d'armature (18, 64) à insérer dans le crépi est prévue à la zone de crépissage (10).
  10. Baguette pour crépi selon la revendication 9, cependant que la zone d'ajustement (4) et la zone de crépissage (10) sont réalisés d'un seul tenant ; et/ou cependant que la zone d'ajustement (4) dispose d'un ruban adhésif (8) pour la fixation à la première partie de bâtiment.
  11. Baguette pour crépi selon la revendication 9 ou 10, cependant que la zone d'ajustement (28) et la zone de crépissage (40) sont réalisées de telle façon séparément l'une de l'autre que - éventuellement après détachement d'une languette de protection (60) en forme de ruban -, au moyen d'une liaison de guidage, un déplacement relatif entre la zone d'ajustement (28) et la zone de crépissage (40) est rendu possible.
  12. Baguette pour crépi selon une des revendications de 9 à 11,
    cependant que la zone d'ajustement et la zone de crépissage sont jointes l'une à l'autre par l'intermédiaire d'une section flexible de matériau qui permet un déplacement relatif entre la zone d'ajustement et la zone de crépissage ; et/ou
    cependant qu'un ruban d'expansion à expansion retardée est prévu, lequel est réalisé de telle façon qu'il - éventuellement après le déblocage d'une zone d'emprisonnement -, se dilate en direction d'un des deux composants de bâtiment et vient en appui contre lui.
  13. Baguette pour crépi selon une des revendications précédentes,
    cependant que le tissu en grille de verre ou en soie de verre, ou la nappe en grille de verre ou en soie de verre tombe dans la classe de protection incendie A1 ou A2 « non inflammable » suivant la norme DIN 4102-1 ; ou
    que le tissu en matière plastique ou nappe en matière plastique tombe dans la classe de protection incendie B1 « difficilement inflammable » ou dans la classe de protection incendie B2 « normalement inflammable » suivant la norme DIN 4102-1 ;
    de telle sorte que la combinaison de section de matériau d'armature et de l'apprêt ou du revêtement de la section de matériau d'armature tombe au moins dans la classe de protection incendie B2 « normalement inflammable » suivant la norme DIN 4102-1, en particulier dans la classe de protection incendie B2 « normalement inflammable » suivant la norme DIN 4102-1 ou dans la classe de protection incendie B1 « difficilement inflammable » suivant la norme DIN 4102-1 ou dans la classe de protection incendie A2 « non combustible » suivant la norme DIN 4102-1.
EP21212223.8A 2021-01-04 2021-12-03 Baguette couvre-joint en matière plastique Active EP4023838B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021100026.2A DE102021100026A1 (de) 2021-01-04 2021-01-04 Putzleiste aus Kunststoff

Publications (3)

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EP4023838A1 EP4023838A1 (fr) 2022-07-06
EP4023838B1 true EP4023838B1 (fr) 2024-05-01
EP4023838C0 EP4023838C0 (fr) 2024-05-01

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EP (1) EP4023838B1 (fr)
DE (1) DE102021100026A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253952B (de) 1964-04-02 1967-11-09 Daimler Benz Ag Brennstoffeinspritzpumpe fuer Brennkraftmaschinen
DE29611225U1 (de) * 1996-06-27 1997-10-23 Dätro-Handels-GmbH, 72291 Betzweiler-Wälde Eckarmierung
DE19718450C2 (de) 1997-04-30 1999-02-25 August Braun Putzleiste mit daran befestigtem Armierungsmaterial
DE29914064U1 (de) 1999-08-12 2000-04-06 Braun, August, Schaffhausen Anordnung von Putz-Eckleisten an einer Bauwerksecke
DE102013110110A1 (de) * 2013-09-13 2015-03-19 August Braun Anputzleiste, Abschlussschiene und Putz-Eckleiste und Verfahren zum Herstellen derselben
DE102016013784A1 (de) * 2016-11-18 2018-05-24 DEFELX-Fugensysteme GmbH Wirkungsvolle Dehnungsfugen-Profilanordnung für Bauwerke mit einer zuverlässigen Sicherheits-Brandschutzsperre und Abstandssicherungs-Schallschutzeinrichtung
EP3569790B1 (fr) * 2018-05-18 2022-10-05 Braun, August Bande de crépissage ainsi que transition de bâtiment pourvu de bande de crépissage

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DE102021100026A1 (de) 2022-07-07
EP4023838C0 (fr) 2024-05-01

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