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EP1335080B1 - Panneau isolant pour isolation acoustique et/ou thermique, et couche d'isolation - Google Patents

Panneau isolant pour isolation acoustique et/ou thermique, et couche d'isolation Download PDF

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Publication number
EP1335080B1
EP1335080B1 EP03002445A EP03002445A EP1335080B1 EP 1335080 B1 EP1335080 B1 EP 1335080B1 EP 03002445 A EP03002445 A EP 03002445A EP 03002445 A EP03002445 A EP 03002445A EP 1335080 B1 EP1335080 B1 EP 1335080B1
Authority
EP
European Patent Office
Prior art keywords
insulation board
insulation
board according
chamfered surface
surface portion
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.)
Expired - Lifetime
Application number
EP03002445A
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German (de)
English (en)
Other versions
EP1335080A1 (fr
Inventor
Gerd-Rüdiger Dr.-Ing. Klose
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.)
Deutsche Rockwool Mineralwoll GmbH and Co OHG
Original Assignee
Deutsche Rockwool Mineralwoll GmbH and Co OHG
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Publication of EP1335080A1 publication Critical patent/EP1335080A1/fr
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Publication of EP1335080B1 publication Critical patent/EP1335080B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1612—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters
    • E04D13/1618—Insulation of the roof covering characterised by its integration in the roof structure the roof structure comprising a supporting framework of roof purlins or rafters with means for fixing the insulating material between the roof covering and the upper surface of the roof purlins or rafters
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
    • E04D13/1693—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage the upper surface of the insulating material forming an inclined surface

Definitions

  • the invention relates to an insulation panel for thermal and / or acoustic insulation in particular flat and / or flat inclined roofs, preferably with Binders bound mineral fibers, such as rockwool, with two large surfaces spaced and arranged parallel to each other and are connected by side surfaces perpendicular to the large surfaces are aligned, with between the large surfaces and the adjoining Side surfaces edges are formed. Furthermore, the invention relates to a Insulating layer for thermal and / or acoustic insulation of particular flat and / or flat roofs consisting of the above-mentioned insulating panels.
  • insulation boards are used, made of either foamed plastics, such as polystyrene Autoclaved aerated concrete and / or mineral fibers.
  • foamed plastics such as polystyrene Autoclaved aerated concrete and / or mineral fibers.
  • insulating panels made of binders bound mineral fibers, for example made of rockwool proved to be particularly preferred since such insulation boards on the one hand have a very high insulation effect and on the other such can be made, for example, that they are heavily loaded at certain points.
  • Such insulation boards are made of vitreous solidified mineral fibers with small amounts of binders are interconnected.
  • a suitable fiberization aggregate is a cascade fiberising machine, usually four with high revs around each having a horizontal axis rotating rollers, wherein the melt on abandoned the top roller and already partially defibred on the underneath lying rolls is passed.
  • the mineral fiber mass thus prepared is as primary fleece continuously deducted from the place of origin and on a air-permeable conveyor belt collected.
  • the binder By curing the binder with the help a sucked through the primary nonwoven or a secondary nonwoven unfolded therefrom Hot air flow, the structure thus formed is fixed.
  • the primary web or the secondary web is a curing oven fed, in which the hot air flows through the primary or secondary web.
  • opposite pressure belts are arranged, which rest on the large surfaces of the primary or secondary web and Feed the primary or secondary web through the curing oven.
  • the printing tapes consist of individual segments, which are formed as a stable perforated plates are.
  • the holes arranged in these perforated plates are round and / or Long holes formed, with slots a lower flow resistance exhibit.
  • the longitudinal axis of the elongated holes is preferably transverse to the production direction oriented to an all-deep impressions of the mineral fibers in these Avoid longitudinal holes.
  • the individual rows of oblong holes are against each other staggered. Nevertheless, the mineral fiber mass of the primary or Secondary fleece at the required pressures even at relatively small diameters or hole widths pressed into these slots, so that the surfaces of the primary or secondary non-woven fabric have 1 to 2 mm high elevations.
  • the above-described insulating elements preferably insulating panels for flat roofs, pitched roofs or external thermal insulation systems usually a binder content of about 3.5 to about 4.5% by mass, in exceptional cases also up to 8% by mass and about 0.2 to 0.3% by mass of mineral oil. Even however, a use of higher binder levels does not lead to an ideal one punctiform connection of adjacent mineral fibers.
  • binder content usually a binder content of about 3.5 to about 4.5% by mass, in exceptional cases also up to 8% by mass and about 0.2 to 0.3% by mass of mineral oil. Even however, a use of higher binder levels does not lead to an ideal one punctiform connection of adjacent mineral fibers.
  • inorganic binders because of their Brittle brittleness and due to their high price only in special thermally high claimed used insulation panels.
  • the mineral fiber mass for the production of insulation boards has considerable Amounts of unbound mineral fibers.
  • the mineral oil is used for continuous water repellency the mineral fiber mass, whereby instead of mineral oils also other oils with sufficient low vapor pressure and high boiling point can be used.
  • mineral oils also other oils with sufficient low vapor pressure and high boiling point can be used.
  • silicone oils and silicone resins are used have excellent hydrophobing ability, although they because the release of volatile compounds and the resulting interference are disadvantageous in certain industrial manufacturing processes.
  • Insulation panels for roof insulation preferably have densities between about 100 and 230 kg / m 3 . These insulating panels may have a homogeneous structure or on at least one side have a highly compressed to about 180 to 220 kg / m 3 surface zone, while in the wider area of the insulation board significantly lower densities are provided.
  • the individual mineral fibers can have different storages in the mineral fiber mass, namely, have the primary web or the secondary web. For example leads to a steep storage of the individual mineral fibers in the primary harvester Secondary nonwoven to a compressive strength of about 50 to about 70 kPa and a Tensile strength at right angles to the large surfaces of up to approx. 15 or 35 kPa.
  • the mechanical properties of the insulation boards produced from them are therefore highly directional.
  • the compressive strength of Insulation boards are significantly higher in the direction of production than in the direction of production. The same applies to the bending tensile strength, the transverse tensile strength parallel to the large surfaces and / or shear stiffness.
  • the mechanical properties Made from this insulation boards are not constant.
  • these lamellar plates achieve transverse tensile strengths of up to about 130 kPa.
  • values in the range of about 50 to about 90 kPa are still achieved. Accordingly high are the possible compressive stresses, but the force-deformation behavior is characterized by a small compression at maximum force and an abrupt decrease in strength after reaching the maximum force.
  • Insulating boards oriented predominantly at right angles to the large surfaces Mineral fibers can also be produced in other ways.
  • the primary nonwoven is turned up and down by a horizontal axis swinging device unfolded and filed as a secondary web.
  • the single ones Folds are then pushed together in the longitudinal direction and in vertical Direction compressed to the desired thickness.
  • With careful guidance of the Compression process is the required compaction predominantly of the recorded on both surface zones, so that the orientation of the mineral fibers in the secondary web nearly perpendicular to the large surfaces of the Secondary fleece is aligned.
  • an approximately 10 to 25 mm thick Layer separated on both major surfaces of the secondary web so that the secondary nonwoven overall a course of mineral fibers perpendicular to the has large surfaces.
  • Made from insulation boards have relatively high transverse tensile strengths.
  • the advantage of the above Production method consists i.a. in that an endless mineral fiber web with the width of the production line is obtained, so that the dimensions of the Insulating boards can be varied.
  • the insulating panels produced therefrom in turn have different Strength values in the production direction or transversely to the production direction.
  • the above-described insulation boards are u.a. also on steel roofs processed, which consist of trapezoidal sheet metal, on the upper straps rest the insulation boards. Between the trapezoidal sheet metal and The insulation boards are thin, non-viable films as a vapor barrier Airtightness layer arranged. When walking or even when driving the laid out Insulation boards on the trapezoidal sheet metal are the insulation boards significantly stressed on bending in combination with shear, so far the load is above the lower chords of the trapezoidal sheet metal. To one sufficient resistance of the insulation panels to be obtained these on the production plant in the manner of the primary or secondary nonwoven separated, that their longitudinal axis is oriented transversely to the production line. As a result, The insulation boards are cut to length according to the desired width. The insulation boards are with their longitudinal axis transverse to the direction of Trapezoidal sheet metal, i. transverse to the course of the upper and lower girths of the bearing Lay the roof shell.
  • Insulation boards made of mineral fibers are therefore from the above mentioned reasons generally sensitive to mechanical loads, which are generated by walking and driving. They are therefore only limited for the thermal and acoustic insulation of used roof areas. To her To improve suitability for these purposes it is known to be inherently rigid Apply layers, such as screeds or the like, to the special load reduce the insulation boards. Such formed insulation panels or However, insulating layers are not technically viable compared to solid insulating materials equivalent.
  • the insulation boards can by laying out pressure distributing Panels or planks are achieved.
  • the precipitation also has a detrimental effect on the insulation boards, for example, by joints between the insulation boards below Run the insulation layer and lean on the supporting roof shell or a sagging one Collect vapor barrier and air barrier film layer.
  • the insulating panels are placed on the upper chords of the trapezoidal sheet and as airtightness layer Polyethylene foils are used, the preceding precipitation accumulations to be recorded. This accumulation of rainfall can be prevented by the fact that the insulating panels fully or partially glued with particular smooth base layers, for example can also be designed as a vapor-damping or air-blocking layer.
  • the insulation panels are preferably cast in association, i. relocated, whereby deviations in the respective width of the insulating panels lead to that joints with possibly several millimeters wide arise.
  • the Forehead areas of the insulating panels can usually be pushed close, especially as well Here, because of the use of fixed saws hardly deviations from the Squareness occur.
  • These joints should already from thermal protection For reasons with compressible mineral wool insulating materials or with local foam be filled, but then omitted if the joints are relatively narrow are to avoid the labor of filling the joints.
  • the Rainfall accumulating in the joints and cracks can only last long evaporate at high temperatures. The needed for drying Energy can come either from the outside or from the heated interior.
  • the water must first evaporate be, which requires a lot of evaporation energy and essentially by the insulating layer must be dissipated to the outside.
  • the insulating layer itself but is just there to prevent the passage of heat energy, so that a correspondingly high amount of energy is required.
  • the insulation panels are open, so that they Dry out only slight resistance to oppose. But the binders react at high temperatures intensively with the water vapor. Also from these Reasons are accumulations of precipitation below the insulation layer to avoid.
  • the time in which the insulating layer unprotected by the weather can be is exposed overlapping by the immediately following laying out Webs of plastics or elastomers or by sticking Shorten bitumen or polymer bitumen skirts.
  • the plastic or elastomers existing waterproofing membranes are in the roof area by individual in-line screws with pressure plates or with the help of screwed on line-shaped pressure elements connected to the supporting roof shell. The edges of the sealing sheets then become in the overlapping areas glued together or thermally or chemically welded.
  • Bitumen or polymer bitumen roofing membranes are made using hot or cold bitumen, Polyurethane adhesives or in so-called welding tracks by heating glued to the underside of the insulating layer.
  • Hot bitumen for the bonding of roofing membranes can be the highly heated and low viscous bitumen penetrate deeper than desired in the insulating layer.
  • silicate coatings on the To apply an insulating layer that prevents this penetration. Because these coatings rest only on the surface of the insulating layer, reaches the bonding only a slight resistance to wind suction. Thus, the stability the roof seal not given. Further, by committing the roof surface shear stresses between the deformable surface layer the insulating panels and the coating triggered, causing a detachment of the Bitumen can lead.
  • the application of the silicate coatings is also associated with relatively high costs.
  • bitumen per m 2 As an alternative to the procedure described above, it is known to pour a small amount of about 600 to about 1200 g of bitumen per m 2 at the factory onto the insulation boards under controlled processing conditions.
  • the bitumen infiltrates less than approx. 1 mm into the surfaces of the insulation boards and thereby covers all mineral fibers present in this surface zone.
  • the bonding of the waterproofing membrane can now be done with the materials and methods already mentioned. In a full-surface bonding that leads to an almost complete utilization of the basic strength of the insulation boards.
  • the sealing sheets are only stripwise or bonded in spots. This joining technique allows faster laying, so that the economy of the sealing system increases.
  • the used Adhesives usually have high internal strengths but are also opposite Standard adhesives more expensive. This in turn forces us to do the specific thing To keep consumption low.
  • the adhesive area is below 60%.
  • the insulation boards sink the strength reserves up to or under the Limit of stability.
  • the adhesive tensile strength of the entire surface exploiting the insulating panels become tensile, i.e.. Reinforced coatings applied.
  • Reinforced coatings usually only thin fleeces or light, open fabrics of natural, synthetic or glass fibers impregnated with bitumen and glued on the insulation boards.
  • Nonwovens or fabrics on the endless mineral fiber web for example the primary or secondary web prior to curing of the binders, i. before feeding glue the primary or secondary nonwoven fabric into the curing oven.
  • This edition prevents, for example, the penetration of mineral fibers into the openings the pressure belts in the hardening furnaces and thus the formation of the water drainage disabling surveys.
  • bitumen is after the passage of the primary or secondary web through poured or sprayed the curing oven onto the previously laminated surface.
  • the disadvantage here however, that further processing of the primary or secondary web only after the curing of the bitumen is possible. It has therefore proved to be useful, the insulation boards with the desired dimensions from the endless primary or secondary non-woven and then separate to apply the bitumen.
  • bituminous layer is as well as the various reinforced with nonwovens or woven bitumen layers water repellent. Even when walking on or driving this property is largely preserved.
  • bituminous layers described have only low resistance to water vapor diffusion.
  • the water vapor-equivalent air layer thickness s D is less than about 10 m for the bitumen quantities of ⁇ 1,200 g / m 2 in question and drops to a few meters as the application quantity decreases.
  • Flat roofs are designed to prevent stagnant water on the roof waterproofing generally have an inclination of ⁇ 2%. Because of the deflection of the lightweight trays in longitudinal and transverse directions are even through the substructure predetermined roof pitches, especially between the support structures, unavailable. In addition, the upper straps in do not form smooth planes in the overlapping areas and because of deformations. Due to this unevenness of the ground, even the same thick plates can be used jump on the adjacent edges.
  • a generic insulation board is known, the has two large surfaces, the spaced and arranged parallel to each other. The big surfaces are aligned by right angles to the large surfaces aligned narrow sides connected with each other. Furthermore, the insulation board has two longitudinal sides on, on the one hand a trapezoidal in cross-section recess and on the other have a trapezoidal cross-section projection whose shape such is formed, that the projection in a form-fitting manner in the recess of an adjacent arranged insulating plate engages.
  • the previously known insulation board has a bevel so that this area of the bevel is not in a plane with the large surface of the insulation board falls.
  • insulation board is additionally a ladder-like wooden insert provided, two parallel and extending in the longitudinal direction and in cross section square bars in correspondingly formed recesses in one large surface of the insulation board are inserted. These bars close flush off with this large surface of insulation board. On the big one Surface of the insulation board are also transverse to these bars extending wooden rods provided, which with the former rods via a nail connection are connected.
  • the object of the invention to provide an insulating plate, in particular avoided the above-described disadvantages of the prior art and the accumulation of rainwater in the area of adjacent arranged insulation plates omitted.
  • Such formed insulating board can in a preferred manner with others Insulating panels are assembled to form an insulating layer, in particular in the range of flat and / or flat roofs, but also Sloping roofs the beveled area area a discharge of rainwater accelerated from the joint area between adjacent insulation boards.
  • each large Surface has two long edges and two short edges, each perpendicular aligned with each other, wherein the beveled area in the area a long edge of a surface is arranged.
  • insulation boards usually on top straps of trapezoidal sheet metal be applied and transversely with their longitudinal direction, i. perpendicular to the longitudinal direction the upper straps are arranged.
  • the upper straps run in such Roof formations in the fall line of the roof slope.
  • the beveled surface area has a width of 15 to 175 mm, in particular from 20 to 150 mm.
  • the beveled surface area has a over the edge protruding Kasch michösstMail, the at adjacent arranged insulating panels on the surface of the adjacent Led insulation board and preferably adhered or glued there is.
  • a second laminating strip in the region of one to the edge of the beveled surface area is arranged adjacent edge and also overlaps over the edge.
  • a composite of such insulation boards insulation layer has thus in the area of each joint on a Kasch michsstMail.
  • These laminating strips can be designed both as overlap or drag strip be, with the overlap strip attached to the surface of the insulation board is while the tow strip rests loosely.
  • the laminating strips have a particular in their overlapping area activatable adhesive.
  • the Kasch istsstrise are made especially non-permeable nonwovens made of glass and / or plastic fibers educated.
  • Adhesive, bitumen and / or permanently-adhesive adhesives proven.
  • the adhesive is punctiform and / or strip-shaped or full surface on the Kaschleitersstsammlung arranged.
  • the beveled surface area parallel to a reduced bending tensile strength is arranged running.
  • the beveled surface area having large surface at least in Area outside the beveled area with an impregnating mass is coated.
  • the impregnating mass prevents the penetration of the Moisture in the insulation board, so that the moisture, especially the Precipitation water accelerates to the beveled area of the adjacent Insulating board is removed.
  • the impregnation composition made of bitumen mixed with ground fine mineral fibers is, so that neither the insulating properties nor the fire resistance substantially are adversely affected.
  • the impregnating composition is arranged in particular with a basis weight of 200 to 800 g / m 2 on the surface of the insulation board.
  • the impregnation mass it may be provided that at least the large surface having the beveled surface area at least in the area outside the beveled area with a lamination, in particular a fleece or a fabric is formed.
  • This fleece or Fabric has the same effect as the impregnating mass.
  • the lamination Preferably is the lamination of particular rotting glass and / or Plastic fibers formed.
  • the lamination partially or completely on the surface is glued on. Partial bonding of the lamination on the surface has the advantage that it uses adhesive material in only a small amount is, for example, to achieve appropriate fire resistance classes and also the insulation board in terms of your strength properties, in particular the bending capabilities do not adversely affect.
  • the full-surface Bonding of the lamination the advantage that thereby a solid bond between lamination and insulation board is achieved.
  • a lamination as a separation layer of at least one permeable membrane and a layer made of polyamide random fibers or dimpled film, the position is arranged outside.
  • thermosetting resins for example Hotmelts, bitumen and / or adhesive adhesives.
  • the insulation board consists of individual interconnected slats.
  • the slats indicate at least the outboard, especially on both major A lamination, in particular of nonwovens and / or fabrics, to create a sufficiently stable insulation board.
  • a further development of this embodiment provides that the lamination over the entire surface glued to the slats.
  • the slats have a width of 200 mm and / or a bulk density between 60 and 140 kg / m 3 , in particular between 70 and 110 kg / m 3 in order to achieve the necessary insulation thicknesses and the necessary stability of the insulating layer.
  • the fins can also have different densities within the insulation board.
  • the lamination is preferably one-sided, in particular in the region of two formed adjacent edges overlapping.
  • the lamination with a thin film, such as polypropylene, polyester or the like covered.
  • the invention provides for the development of the insulation board according to the invention in that the film has a thickness of ⁇ 20 mm and / or a diffusion equivalent Air layer density ⁇ 10 m and in particular as a vapor barrier serves.
  • the invention further relates to an insulating layer for thermal and / or acoustic insulation in particular flat and / or flat inclined roofs, but also for Insulation of pitched roofs, wherein the insulation panels arranged in such a way are that the beveled surface areas aligned parallel to each other are and that the beveled area of the first insulation board at a the beveled surface area of the second insulating plate opposite Edge of the second insulating plate rests.
  • the Insulating layer on adjacent insulation boards the arrangement of a bevelled Area of the first insulating plate on the opposite Edge without beveled surface area of the second insulation board on.
  • the insulation boards are arranged in particular in association.
  • the insulating panels with their bevelled surface areas transversely are aligned in particular at right angles to the fall line of a roof.
  • the bevelled Surface areas of the insulation panels oriented toward the gable of the roof are.
  • the beveled surface area of the above-described insulation panels can with object-related production the local conditions and Roof pitches are adjusted. In pitched roofs, the depth is greater and make the width of the bevel much smaller than in the application such insulation panels on flat roofs.
  • the overlapping or drag strips consist of vapor-permeable nonwovens made of glass or plastic fibers with thermoplastic adhesives on their undersides, Bitumen or permanent adhesive adhesive, the latter protected by cover sheets, are applied dot-wise or in strips or over the entire surface.
  • Adphosivkleber can also be extruded in the form of thin threads, so that by them significantly reduced, but very evenly distributed amount of adhesive in the form of a Non-woven fabric rests on the overlap or drag strip.
  • the overlap or drag strip can factory but also on the Construction site glued or welded.
  • the laying of the insulation boards has the advantage that the insulation panels in particular on the not self-contained roof surfaces can be supported against each other. This This is especially true for small-sized insulation boards, but also for large-format Insulating boards with the usual dimensions of 2 m x 1.2 m. Although these insulation boards significantly more top straps of trapezoidal sheets bridge, but relatively many insulation boards collar on the upper straps out. When laying the insulation boards in the dressing but continuous Weak zones above the lower girths avoided.
  • the surface of the insulating panels can be provided with an impregnating mass made of bitumen mixed with ground fine mineral fibers consists.
  • the fibers are made from the waste in the production of insulation materials or obtained from used insulating materials of mineral fibers.
  • the vapor barrier value that is to say the diffusion-equivalent air layer thickness s D of such an impregnation, is only a few centimeters to a few centimeters, so that the impregnations do not appreciably impede the transport of water vapor through the insulating material.
  • the insulation boards can preferably fleeces from rotting Glass or plastic fibers or fabric of these fibers partially or ganztlächig glued on. To avoid unwanted reactions between the adhesives and avoid the sheet-like seals or metal covers, thus the To achieve the effect of a release layer, the bonding takes place while avoiding impregnation of the nonwovens and tissues.
  • the insulation boards are with a glued separating layer from at least one diffusion-open membrane with an overlying membrane Layer formed of polyamide random fibers or dimpled films.
  • adhesives made of thermosetting resins or thermoplastics, such as polyurethane, so-called hotmelts of different compositions, Bitumen and adhesive adhesive used.
  • the laminated fleeces or Tissues can absorb water under pressure or because of their capillary activity and hold, yet the rainfall runs over the water-soaked Nonwovens and fabrics surprisingly fast off.
  • Lightweight elements that are resistant to compression and transverse forces can be produced from individual lamella plates or lamellae in which fleeces or fabric are glued onto both large surfaces of the lamellae.
  • the bonding is due to the intended structure of a resilient water-dissipating layer at least for the outwardly facing surface of the insulation board predominantly over the entire surface.
  • the individual for example, 200 mm wide slats or slats have densities between 60 and about 140 kg / m 3 , preferably between about 70 to 110 kg / m 3 . It can also produce insulation boards in which lamellar plates are combined with different densities. The lamellar plates are pressed close to each other and connected under this tension with the cover layers.
  • the composites with random fiber layer, dimpled foil, etc. can be or longitudinal side or on two sides of the insulation board or the insulating element be stuck with a supernatant.
  • the protruding edges are formed as overlapping or as a tow strip.
  • thermoplastic adhesives must be protected in the stack with thin films, for example polypropylene, polyester or the like.
  • thin films for example polypropylene, polyester or the like.
  • the diffusion-equivalent air layer thickness s D ⁇ approx. 10 m, so that the foils can remain there after installation if a vapor barrier with a sufficiently high blocking value is attached to the room side.
  • Figure 1 shows an insulation board 1 for thermal and acoustic insulation of a building roof.
  • the insulating panel 1 consists of binder-bound mineral fibers, namely rock wool and has two large surfaces 2 and 3, the spaced and arranged substantially parallel to each other.
  • the large surfaces 2, 3 are connected to each other via side surfaces 4 and 5, wherein the side surfaces 4 are formed longer than the side surfaces 5.
  • Die Insulation board 1 has two parallel side surfaces 4 and two parallel side surfaces 5, wherein the side surfaces 4 at right angles to the side surfaces 5 extending are arranged.
  • the side surfaces 4 and 5 have, together with the large surfaces 2, 3 respectively an edge 7, 8 and 9, respectively.
  • the upper large surface 2 shown in FIG. 1 has in the region of the edge 9 a beveled surface area 6, which with the adjacent side surface. 4 encloses an angle> 90 ° and extends over the entire edge 9.
  • the chamfered surface area 6 has a width of 30 mm and a depth of 10 mm, where the depth is the difference between the two in the longitudinal direction of the insulation board 1 extending side surfaces 4 is.
  • FIG. 1 shows the essential production-related strength properties the insulation board 1 shown in phantom.
  • the production direction of the Insulation board 1 is indicated by the arrow 10.
  • An insulation panel made in this way 1 has a low bending tensile strength in the longitudinal direction in the direction of the arrow 11 and a high bending tensile strength in the transverse direction according to arrow 12.
  • an arrow 13 shows a perpendicular to the direction of production high transverse tensile strength and compressive strength of the insulating panel 1 on.
  • FIG 2 the insulating plate 1 is shown in FIG 1, wherein the bevelled Surface area 6 a over the edge 9 protruding Kasch michsst Shape 14 has. Furthermore, a second laminating strip 15 is in the region of arranged to the edge 9 of the chamfered surface area 6 adjacent edge 7, this second laminating strip 15 both the edge 7 and the overlaps first lamination strip 14.
  • Both laminating strips 14, 15 are in their overlapping area with an activatable Adhesive formed to the lamination strip 14, 15 at an adjacent, Not to be shown insulation board 1 to fix.
  • the laminating strips 14, 15 consist of a vapor-permeable non-woven glass and Plastic fibers.
  • the trained as a permanent adhesive adhesive adhesive is point and strip on the Kasch michellesstMake 14, 15 arranged.
  • the large surface 2 of the insulation board 1 is coated with an impregnating material 16, which consists of bitumen mixed with ground fine mineral fibers.
  • This impregnating mass 16 has a weight per unit area of 600 g / m 2 on the surface 3.
  • FIGS. 3 to 5 show a further embodiment of an insulating panel 1, consisting of a plurality of interconnected fins 17, wherein each lamella 17 has a grain of fibers perpendicular to the large surfaces 2, 3 has.
  • the lamellae 17 have on both sides in the region of the large surfaces 2, 3 a lamination 18, which consists of a fabric.
  • the lamination 18 is glued over its entire surface with the lamellae 17.
  • Each lamella 17 has a width of 200 mm and a bulk density of 90 kg / m 3 .
  • Figure 4 is an embodiment of this formed from fins 17 insulation board 1, which according to the figure 1 a beveled surface area 6 in the region of an edge 9 has.
  • FIG. 5 is an insulating layer for thermal and / or acoustic insulation of a flat tilted roof, which consists of several insulating panels 1 according to FIG. 1 is trained.
  • Each insulation board 1 has a fiber profile parallel to the large surfaces 2, 3 of the insulation board 1.
  • the insulation panels 1 are such arranged to each other, that the chamfered surface areas 6 parallel to each other are aligned and that the chamfered surface area 6 of a first Insulation plate 2 at one of the beveled surface area 6 of the second Insulation board 1 opposite edge 8 of the second insulation board 1 is applied. These areas are covered with the lamination strip 14, so that the formed between the insulation panels 1 joints against the ingress of Rainwater are protected.
  • the insulation panels 1 are laid in association with the embodiment of Figure 5, wherein the insulation panels 1 with their chamfered surface areas 6 transversely, in particular are aligned at right angles to the fall line of the roof.
  • the beveled surface areas 6 of the insulating panels 1 are in this case oriented towards the gable of the roof.
  • Figure 7 also shows the arrangement of the lamination strip 14, the on the lower insulating plate 1 in the region of the chamfered surface region 6 and on the upper insulating plate 1 in the region of the edge 8 of the side surface 4 of upper insulation board 1 is arranged and fixed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (31)

  1. Panneau isolant pour l'isolation thermique et/ou acoustique en particulier de toits plats et/ou de toits inclinés à plat, de préférence en fibres minérales liées à des liants, par exemple en laine de roche, avec deux grandes surfaces qui sont placées espacées et parallèles l'une à l'autre et qui sont reliées par des surfaces latérales qui sont orientées à angle droit par rapport aux grandes surfaces, des arêtes étant configurées entre les grandes surfaces et les surfaces latérales qui s'y rattachent et au moins une grande surface (2) présentant dans la zone d'au moins une arête (9) une zone de surface chanfreinée (6) qui inclut un angle > 90° avec la surface latérale adjacente (4) et qui s'étend sur toute l'arête (9),
    caractérisé en ce que toutes les surfaces latérales (4) sont des surfaces planes qui se terminent de niveau avec les grandes surfaces (2).
  2. Panneau isolant selon la revendication 1,
    caractérisé en ce que chaque grande surface (2, 3) présente deux longues arêtes (8, 9) et deux courtes arêtes (7) qui sont orientées respectivement à angle droit l'une par rapport à l'autre, la zone de surface chanfreinée (6) étant placée dans la zone d'une longue arête (9) d'une surface (2).
  3. Panneau isolant selon la revendication 1,
    caractérisé en ce que la zone de surface chanfreinée (6) présente une largeur de 15 à 175 mm, en particulier de 20 à 150 mm.
  4. Panneau isolant selon la revendication 1,
    caractérisé en ce que la zone de surface chanfreinée (6) présente, dans la zone de l'arête, une profondeur de 2 à 20 mm, en particulier de 3 à 15 mm, de préférence < 7 mm.
  5. Panneau isolant selon la revendication 1,
    caractérisé en ce que la zone de surface chanfreinée (6) présente une bande de contrecollage (14) qui fait saillie au-delà de l'arête (9).
  6. Panneau isolant selon la revendication 5,
    caractérisé en ce qu'une seconde bande de contrecollage (15) est placée dans la zone d'une arête (7) voisine de l'arête (9) de la zone de surface chanfreinée (6) et chevauche également au-delà de l'arête (7).
  7. Panneau isolant selon la revendication 5 ou 6,
    caractérisé en ce que la bande ou les bandes de contrecollage (14, 15) présente(nt) une colle en particulier qui peut être activée dans sa zone de chevauchement.
  8. Panneau isolant selon la revendication 5 ou 6,
    caractérisé en ce que la bande ou les bandes de contrecollage (14, 15) est (sont) configurée(s) en particulier en non-tissés ouverts à la diffusion en fibres de verre et/ou de plastique.
  9. Panneau isolant selon la revendication 7,
    caractérisé en ce que la colle est configurée comme une colle thermoplastique, du bitume et/ou une colle adhésive à plasticité permanente.
  10. Panneau isolant selon la revendication 7,
    caractérisé en ce que la colle est placée en forme de points et/ou de bandes ou sur toute la surface sur la bande de contrecollage (14, 15).
  11. Panneau isolant selon la revendication 1,
    caractérisé en ce que la zone de surface chanfreinée (6) est placée parallèlement à une résistance à traction sous pliage réduite.
  12. Panneau isolant selon la revendication 1,
    caractérisé en ce qu'au moins la grande surface (2) qui présente la zone de surface chanfreinée (6) est enduite au moins dans la zone en dehors de la zone de surface chanfreinée (6) avec une masse d'imprégnation (16).
  13. Panneau isolant selon la revendication 12,
    caractérisé en ce que la masse d'imprégnation (16) présente des fibres minérales fines broyées mélangées à du bitume.
  14. Panneau isolant selon la revendication 12,
    caractérisé en ce que la masse d'imprégnation (16) est placée avec une masse en surface de 200 à 800 g/m2 sur la surface (3).
  15. Panneau isolant selon la revendication 1,
    caractérisé en ce qu'au moins la grande surface (3) qui présente la zone de surface chanfreinée (6) est configurée au moins dans la zone en dehors de la zone de surface chanfreinée (6) avec un contrecollage, en particulier un non-tissé ou un tissu.
  16. Panneau isolant selon la revendication 15,
    caractérisé en ce que le contrecollage est constitué en particulier en verre putrescible et/ou en fibres plastiques.
  17. Panneau isolant selon la revendication 15,
    caractérisé en ce que le contrecollage est collé sur la surface (3) partiellement ou sur toute la surface.
  18. Panneau isolant selon la revendication 15,
    caractérisé en ce qu'un contrecollage est configuré comme couche de séparation en au moins une membrane ouverte à la diffusion et une couche de fibres embrouillées en polyamide ou en feuille à nopes, la couche étant placée située à l'extérieur.
  19. Panneau isolant selon la revendication 17,
    caractérisé en ce que le collage se fait avec des résines duroplastiques, des matières synthétiques thermoplastiques, par exemple des adhésifs à chaud (hotmelts), du bitume et/ou des colles adhésives.
  20. Panneau isolant selon la revendication 1,
    caractérisé par
    différentes lamelles (17) reliées l'une à l'autre.
  21. Panneau isolant selon la revendication 20,
    caractérisé en ce que les lamelles (17) présentent sur au moins la surface située à l'extérieur, en particulier sur les deux grandes surfaces (2, 3), un contrecollage (18), en particulier en non-tissés et/ou en tissus.
  22. Panneau isolant selon la revendication 21,
    caractérisé en ce que le contrecollage (18) est collé sur toute la surface avec les lamelles (17).
  23. Panneau isolant selon la revendication 20,
    caractérisé en ce que les lamelles (17) ont une largeur de 200 mm et/ou une masse volumique apparente entre 60 et 140 kg/m2, en particulier entre 70 et 100 kg/m2.
  24. Panneau isolant selon la revendication 20,
    caractérisé en ce que les lamelles (17) présentent des masses volumiques apparentes différentes.
  25. Panneau isolant selon la revendication 21,
    caractérisé en ce que le contrecollage (18) est configuré chevauchant au moins d'un côté, en particulier dans la zone de deux arêtes voisines (7, 9).
  26. Panneau isolant selon la revendication 21,
    caractérisé en ce que le contrecollage (18) est recouvert d'une mince feuille, par exemple en polypropylène, polyester ou équivalent.
  27. Panneau isolant selon la revendication 26,
    caractérisé en ce que la feuille a une épaisseur de ≤ 20 mm et/ou une épaisseur de couche d'air équivalente à la diffusion de ≤ 10 mm et qu'elle sert en particulier de barrière à la vapeur.
  28. Couche isolante pour l'isolation thermique et/ou acoustique en particulier de toits plats et/ou de toits inclinés à plat constituée par au moins deux panneaux isolants selon l'une des revendications 1 à 27,
    caractérisée en ce que les panneaux isolants (1) sont placés l'un par rapport à l'autre de telle manière que les zones de surfaces chanfreinées (6) sont orientées parallèles l'une à l'autre et que la zone de surface chanfreinée (6) du premier panneau isolant (1) repose sur une arête (8) du second panneau isolaant (1) qui est opposée à la zone de surface chanfreinée (6) du second panneau isolant (1).
  29. Couche isolante selon la revendication 28,
    caractérisée en ce que les panneaux isolants (1 ) sont placés en assemblage.
  30. Couche isolante selon la revendication 28,
    caractérisée en ce que les panneaux isolants (1 ) sont orientés avec leurs zones de surface chanfreinées (6) transversalement, en particulier à angle droit par rapport à la ligne de pente d'un toit.
  31. Panneau isolant selon la revendication 30,
    caractérisé en ce que les zones de surface chanfreinées (6) des panneaux isolants (1 ) sont orientées vers le pignon du toit.
EP03002445A 2002-02-11 2003-02-05 Panneau isolant pour isolation acoustique et/ou thermique, et couche d'isolation Expired - Lifetime EP1335080B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10205534 2002-02-11
DE10205534 2002-02-11
DE10259927 2002-12-20
DE10259927 2002-12-20

Publications (2)

Publication Number Publication Date
EP1335080A1 EP1335080A1 (fr) 2003-08-13
EP1335080B1 true EP1335080B1 (fr) 2005-04-20

Family

ID=26011009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03002445A Expired - Lifetime EP1335080B1 (fr) 2002-02-11 2003-02-05 Panneau isolant pour isolation acoustique et/ou thermique, et couche d'isolation

Country Status (3)

Country Link
EP (1) EP1335080B1 (fr)
AT (1) ATE293730T1 (fr)
DE (2) DE20220257U1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008005536B4 (de) 2008-01-22 2024-10-02 Saint-Gobain Isover G+H Ag Dämmelement für die Isolierung eines geneigten Daches
GB2485364B (en) * 2010-11-11 2012-11-07 David Martin A system of pitched roof insulation
HUE029490T2 (en) * 2011-09-06 2017-02-28 Rockwool Int Insulating element for flat roof or flat dome roof, roofing system for flat roof or flat dome roof, and insulation process
CA3131346A1 (fr) * 2019-04-05 2020-10-08 Rockwool International A/S Element d'isolation pour l'isolation thermique et/ou acoustique d'un toit plat ou incline plat et procede de production d'un element d'isolation
CN113063326A (zh) * 2020-01-02 2021-07-02 航天特种材料及工艺技术研究所 一种气凝胶内隔热层的缝隙处理方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7739995U1 (de) * 1977-12-29 1978-07-06 Traub, Tillo, 7151 Stangenbach Abdeckung fuer eine dachisolierung
DE3238861C2 (de) * 1982-10-20 1987-02-05 Franz Josef 7940 Riedlingen Linzmeier Schrägdachkonstruktion
DE3375665D1 (en) * 1983-05-02 1988-03-17 Rhinolith Sa Rafter carrying isolating member
DE3342074A1 (de) * 1983-11-22 1985-06-05 Eugen 7101 Abstatt Traub Daemmplatte fuer die dachisolierung
FR2602810B1 (fr) * 1986-07-28 1991-04-26 Rhenane Sa Caisson isolant chevronne support de couverture
ES2035169T3 (es) * 1987-11-05 1993-04-16 Herbert Prignitz Procedimiento para formar una mezcla espumosa en particular para un material aislante termico mediante una cabeza de mezcla para al menos dos componentes reactivos a baja presion,cabeza de mezcla para la realizacion del procedimiento y del material aislante producido despues del
GB9004018D0 (en) * 1990-02-22 1990-04-18 Siderise Ltd Manufacture of mineral fibre products in layer form
EP0909858A3 (fr) * 1997-10-15 2000-10-11 SAINT-GOBAIN ISOVER G+H Aktiengesellschaft Elément isolant en laine minérale pour l'isolation au-dessus des chevrons de toits, et méthode d'utilisation relative
DE19922592A1 (de) * 1999-05-17 2000-11-23 Gruenzweig & Hartmann Dämmstoffelement aus Mineralwolle sowie Verfahren zu seiner Herstellung und Verwendung desselben

Also Published As

Publication number Publication date
DE50300448D1 (de) 2005-05-25
ATE293730T1 (de) 2005-05-15
DE20220257U1 (de) 2003-05-28
EP1335080A1 (fr) 2003-08-13

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