CN214739334U - Waterproof roofing system - Google Patents

Abstract

The utility model relates to a waterproof roof system, including the roofing subassembly, the roofing subassembly includes a plurality of parallel arrangement's sheet layer, and the sheet layer is panel layer, intermediate level and furred ceiling layer in proper order, and the intermediate level is connected panel layer, sets up the waterproof glue on panel layer and the furred ceiling layer, sets up the waterproof layer on the intermediate level, and the waterproof layer is continuous waterproofing membrane; the supporting component comprises a connecting support and a keel frame, the connecting support is arranged on the middle layer, the connecting support penetrates through the waterproof layer to connect the panel layer, and the keel frame is connected with the middle layer and the suspended ceiling layer. According to the waterproof roof system, the connecting support and the waterproof coiled materials which are continuously laid are arranged below the panel layer, so that a waterproof layer is formed in the middle layer of the roof assembly, the waterproof function of the roof is enhanced, and even if the waterproof glue on the panel layer is broken, the functions of waterproofing, heat insulation and the like cannot be damaged; a plurality of keels are not arranged between the board layers of the whole waterproof roof system to be connected, the thickness of the roof is reduced, and the whole manufacturing cost is more economic.

Description

Waterproof roofing system

Technical Field

The utility model relates to a building engineering field especially relates to a waterproof roofing system.

Background

As a new type of roof, the decorative metal roof has been widely used in the construction field due to its advantages of light weight, corrosion resistance, good fire resistance, easy maintenance, etc. Meanwhile, the decorative metal roof is convenient to splice and assemble and suitable for matching with coatings of different colors, is beneficial to realizing various buildings with irregular shapes, and develops very important functions in the field of modern building construction, in particular to aspects of large-scale sports venues, exhibition centers, airport terminal buildings and the like.

Currently common decorative metal roof panels include both aluminum sheet roofing and standing-seam roofing. The aluminum plate roof consists of an upper aluminum plate, a lower aluminum plate and heat insulation cotton, wherein the upper aluminum plate is an external decorative and waterproof aluminum plate, the middle aluminum plate is heat insulation cotton, and the lower aluminum plate is an internal aluminum plate; the standing-seam crimping roof is composed of an aluminum-magnesium-manganese roof and a decorative aluminum plate, the upper layer is the decorative aluminum plate and plays a role in decoration, the lower layer is the aluminum-magnesium-manganese roof, and the standing-seam crimping roof is of a standing-seam crimping structure and plays a role in water resistance and heat preservation.

However, in actual construction, because the aluminum plate roof has a plurality of abutted seams, and the abutted seam positions are only subjected to waterproof treatment by using sealant, the hidden danger of water leakage is large; the vertical serging roof is additionally provided with the decorative aluminum plate, the whole roof is large in thickness, multiple in keel framework, large in steel consumption and high in manufacturing cost, and the vertical serging roof generally adopts the profiled steel sheet as the bottom plate, so that the attractiveness is not ideal.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a waterproof roof system for the problems of more seams, poor waterproof performance, high cost and poor appearance of the decorative metal roof.

A waterproof roof system comprises a roof assembly, wherein the roof assembly comprises a plurality of plate layers which are arranged in parallel, the plate layers sequentially comprise a panel layer, a middle layer and a ceiling layer, the middle layer is connected with the panel layer, waterproof glue is arranged on the panel layer and the ceiling layer, a waterproof layer is arranged on the middle layer, and the waterproof layer is a continuous waterproof coiled material; the supporting component comprises a connecting support and a keel frame, the connecting support is arranged on the middle layer, the connecting support penetrates through the waterproof layer to be connected with the panel layer, and the keel frame is connected with the middle layer and the suspended ceiling layer.

Furthermore, a sealant is arranged between the joint of the connecting support and the waterproof layer.

Furthermore, the panel layer and the suspended ceiling layer are formed by splicing a plurality of metal plates respectively, and the splicing positions of the plurality of metal plates are connected through fixing pieces.

Furthermore, the fixing piece is connected with the panel layer and the connecting support, and the fixing piece is connected with the suspended ceiling layer and the keel frame.

Further, the waterproof glue is arranged at the splicing positions of the metal plates.

Further, keel frame includes main keel frame and time keel frame, main keel frame's axis direction time keel frame's axis direction with sheet layer parallel arrangement, just time keel frame connects perpendicularly main keel frame, main keel frame with time keel frame connects respectively the intermediate level with the furred ceiling layer.

Further, the secondary keel frame comprises an upper keel frame and a lower keel frame, the upper keel frame and the lower keel frame are arranged in parallel, the upper keel frame is connected with the middle layer, and the lower keel frame is connected with the ceiling layer.

Further, keel frame still includes the plug connector, the plug connector is connected perpendicularly main keel frame, inferior keel frame with the plug connector is connected and is passed through the plug connector is adjusted inferior keel frame's length.

Further, the roof assembly further comprises a reinforcing rib, the reinforcing rib is connected with the panel layer, and the reinforcing rib is used for supporting the panel layer.

Further, the heat-insulating layer is arranged between the middle layer and the suspended ceiling layer.

The utility model provides a waterproof roofing system comprises roofing subassembly and supporting component, and the roofing subassembly includes a plurality of parallel arrangement's sheet layer, the sheet layer is panel layer, intermediate level and furred ceiling layer in proper order, and supporting component connects panel layer and intermediate level including connecting support and keel frame, connecting support, and keel frame connects intermediate level and furred ceiling layer, sets up the waterproof glue on panel layer and the furred ceiling layer, sets up the waterproof layer on the intermediate level, and the waterproof layer is continuous waterproofing membrane. According to the scheme, the connecting support and the waterproof coiled material which is continuously laid are arranged below the panel layer, so that a waterproof layer is formed in the middle layer of the roof assembly, the waterproof layer is continuous and uninterrupted and has no seam and nail holes, the waterproof function of the aluminum plate roof is enhanced, even if the waterproof glue seam on the panel layer is broken, a small amount of leaked water cannot enter the room, and the waterproof, heat-insulating and other functions of a waterproof roof system cannot be damaged; and a plurality of keels are not arranged between the plate layers on the whole waterproof roof system for connection, so that the thickness of the roof is reduced, and the whole cost is more economic.

Drawings

FIG. 1 is a top plan view of a water resistant roofing system according to one embodiment of the present application;

FIG. 2 is a cross-sectional view A-A of a water resistant roofing system according to one embodiment of the present application;

FIG. 3 is a cross-sectional view B-B of a water resistant roofing system according to one embodiment of the present application;

FIG. 4 is an installed perspective view of a connecting brace of a water roofing system according to an embodiment of the present application;

FIG. 5 is a schematic view of an assembly of a water resistant roofing system according to an embodiment of the present application.

Wherein, 1 is a roof assembly, and 2 is a supporting assembly; 11 is a panel layer, 12 is a middle layer, and 13 is a suspended ceiling layer; 111 is waterproof glue of the panel layer, 121 is waterproof layer, and 131 is waterproof glue of the suspended ceiling layer; 21 is a connecting support and 22 is a keel frame; 221 is a main keel frame, 222 is a secondary keel frame, and 223 is a plug connector; 2221 is an upper keel frame, 2222 is a lower keel frame; 211 is a sealant; 23 is a fixing piece; 3 is a reinforcing rib; 4 is an insulating layer.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is susceptible to similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Fig. 1 shows a top view of a waterproof roofing system according to an embodiment of the present application, fig. 2 shows a sectional view a-a of the waterproof roofing system according to an embodiment of the present application, fig. 3 shows a sectional view B-B of the waterproof roofing system according to an embodiment of the present application, which is shown in fig. 1-3, and the waterproof roofing system provided by the present application includes a roofing assembly 1 and a support assembly 2, the roofing assembly 1 is composed of a plurality of parallel-arranged slabs, the plurality of slabs are a panel layer 11, an intermediate layer 12 and a ceiling layer 13 in sequence from top to bottom, the panel layer 11 is formed by splicing a plurality of metal plates, and optionally, the panel layer 11 is made of an aluminum plate; the ceiling layer 13 is also formed by splicing a plurality of metal plates, and optionally, the ceiling layer 13 is made of an aluminum plate. Through the splicing type panel layer 11 and the suspended ceiling layer 13, different decoration effects can be formed on the building roof. In use, the panel layer 11 is arranged on the outermost side of a building, the suspended ceiling layer 13 is arranged on the innermost side of the building, the supporting component 2 is used for supporting the roof component 1 with a multi-layer structure, each plate layer on the multi-layer roof component 1 is subjected to waterproof treatment, meanwhile, the waterproof layer 121 on the middle layer 12 on the supporting component is formed by continuous waterproof coiled materials, and the building structure has waterproof and heat preservation functions through the waterproof roof system with the multi-layer structure.

Referring to fig. 2, the support assembly 2 includes a connection bracket 21 and a keel frame 22, the connection bracket 21 being used to connect the panel layer 11 and the intermediate layer 12, and the keel frame 22 being used to connect the intermediate layer 12 and the ceiling layer 13. Optionally, the keel frame 22 is made of materials including, but not limited to, aluminum alloy and steel. Specifically, the connection support 21 is disposed on the middle layer 12, and the connection manner with the middle layer 12 includes, but is not limited to, riveting, screwing, and the like, and the middle layer 12, the keel frame 22, and the panel layer 11 are connected by the connection support 21. Alternatively, the material of the connecting support 21 includes, but is not limited to, aluminum alloy, stainless steel, and the like. Meanwhile, in order to increase the waterproof effect of the whole waterproof roof system and avoid the water leakage caused by the damage of the panel layer 11, the continuous waterproof layer 121 is integrally paved on the middle layer 12, and the waterproof layer 121 is not provided with abutted seams, nail holes and the like, so that the waterproof effect of the middle layer 12 is improved, and the waterproof effect of the waterproof roof system is further improved. Optionally, the intermediate layer 12 is a galvanized steel sheet.

In the design of the waterproof layer 121, in order to ensure that the waterproof layer 121 can form a continuous structure and ensure the connection between the panel layer 11 and the middle layer 12, the waterproof layer 121 is integrally laid on the middle layer 12 by forming a hole corresponding to the connection support 21 on the waterproof layer 121, so that the connection support 21 penetrates through the waterproof layer 121 and is connected with the panel layer 11. Meanwhile, the joint of the connecting support 21 penetrating through the waterproof layer 121 is provided with the sealant 211, so that the overall waterproof effect of the waterproof layer 121 is ensured, and specifically, reference may be made to an installation perspective view of the connecting support of the waterproof roofing system according to an embodiment of the present application shown in fig. 4. It should be noted that the sealant 211 described herein can seal the gap between the waterproof layer 121 and the connecting support 21 and can provide waterproof function, and the waterproof layer 121 forms a complete waterproof surface laid on the middle layer 12 by the sealant 211, so that even if the panel layer 11 is damaged, a small amount of water enters the waterproof roofing system provided in this application, and will be blocked outdoors by the continuous waterproof layer 121 and will not flow into the building structure.

Alternatively, the constituent materials of the waterproofing layer include, but are not limited to, TPO waterproofing membrane and SBS waterproofing membrane. The TPO waterproof coiled material is a thermoplastic polyolefin waterproof coiled material, is a novel waterproof coiled material prepared by taking Thermoplastic Polyolefin (TPO) synthetic resin obtained by combining ethylene propylene rubber and polypropylene by adopting an advanced polymerization technology as a base material and adding an antioxidant, an anti-aging agent and a softener, and can be made into an enhanced waterproof coiled material by taking polyester fiber mesh cloth as an internal reinforcing material; the SBS waterproof roll is a curled sheet waterproof roll which is made by taking asphalt with styrene-butadiene-styrene (SBS) thermoplastic elastomer as a modifier as a dipping and coating material and covering the upper surface with polyethylene film, fine sand, mineral sheet (particle) material or isolation materials such as aluminum foil, copper foil and the like.

With continued reference to fig. 2, the support assembly 2 further comprises a fixing element 23, wherein, on one hand, the fixing element 23 is connected with the face plate layer 11 and the connecting support 21, and the connecting support 21 is connected with the intermediate layer; on the other hand, the fixing piece 23 is connected with the keel frame 22 and the suspended ceiling layer 13, the keel frame 22 is connected with the middle layer 12, and the fixing piece 23, the connecting support 21 and the keel frame 22 are used for connecting all the plate layers on the roof assembly 1 one by one to form a unified whole. Because panel layer 11 and furred ceiling layer 13 that this application provided are formed by a plurality of metal sheet concatenations, can connect adjacent metal sheet through mounting 23, make a plurality of metal sheets can form a smooth panel. Optionally, the fixing 23 is a connection bracket. Further, waterproof glue 111 is stuffed in the concatenation department of panel layer 11, and waterproof glue 131 is stuffed in the concatenation department of furred ceiling layer 13, and waterproof glue 111 and waterproof glue 131 cover respectively on the concatenation gap of panel layer 11 and furred ceiling layer 13 to formed one waterproof face on panel layer 11 and furred ceiling layer 13 respectively, cooperate waterproof layer 121 on the intermediate level 12, make whole waterproof roofing system have multiple waterproof function. The waterproof glue 111 and the waterproof glue 131 described herein may be similar to the sealant 211 described above in terms of glue application processing method, material, and the like, and may perform not only a sealing function but also a waterproof function.

With continued reference to fig. 2 and 3, the keel frame 22 includes a main keel frame 221 and a secondary keel frame 222, and optionally, the main keel frame 221 and the secondary keel frame 222 have structures including, but not limited to, i-beams and channel beams. The axial direction of the main keel frame 221 and the axial direction of the secondary keel frame 222 are sequentially parallel to the slab layer, the secondary keel frame 222 is vertically connected with the main keel frame 221, and the main keel frame 221 and the secondary keel frame 222 are respectively connected with the middle layer 12 and the ceiling layer 13. Through the main keel frame 221 and the secondary keel frame 222 that vertically and horizontally staggered set up, the roofing subassembly 1 that not only is convenient for have multilayer structure becomes a whole, can be convenient for support each sheet layer structure simultaneously, increases whole waterproof roofing system's structural strength.

The secondary keel 222 includes an upper keel 2221 and a lower keel 2222, the upper keel 2221 and the lower keel 2222 are arranged in parallel, the upper keel 2221 is used for connecting the middle layer 12, and the lower keel 2222 is used for connecting the ceiling layer 13. Through the time keel frame 222 who has upper and lower structure, be convenient for adjust the distance between intermediate level 12 and the furred ceiling layer 13 to it is cotton to cooperate the heat preservation of placing the different grade type between intermediate level 12 and the furred ceiling layer 13, thereby makes the waterproof roofing system that this application provided have different waterproof, heat preservation effect.

This application optional factual, main keel frame 221 is connected movably to inferior keel frame 222, through the length of changing the nexus position between inferior keel frame 222 and the main keel frame 221 in order to adjust inferior keel frame 222 to can support the roofing subassembly 1 of not equidimension structure on making inferior keel frame 222. Optionally, the keel frame 22 further comprises a plug-in unit 223, the plug-in unit 223 is vertically connected to two sides of the main keel frame 221, and the sub keel frame 222 can be inserted into the plug-in unit 223, and the length of the sub keel frame 222 can be adjusted by changing the length of the sub keel frame 223. Optionally, a connecting bolt is arranged on the plug connector 223, the secondary keel frame 222 is sequentially provided with a plurality of connecting threaded holes along the axis direction thereof, and the secondary keel frame 222 is connected with the plurality of connecting threaded holes through the connecting bolt, so that the combination length of the secondary keel frame 222 and the plug connector 223 is changed. It should be noted that the threaded connection is only an optional fixing manner between the sub keel frame 222 and the plug 223, and other types of connection manners are allowed by the present application as long as the combination length between the sub keel frame 222 and the plug 223 can be ensured to be changed, and the sub keel frame 222 can be fixed. In addition, correspond with it, the plug connector can set up perpendicularly in the both sides of inferior keel frame, and main keel frame connects respectively on the plug connector of inferior keel frame both sides, changes main keel frame's length through the plug connector to the realization supports the roofing subassembly of not unidimensional structure.

In addition, in order to enhance the structural strength of the panel layer 11 provided by the present application, and enable the panel layer 11 to still maintain flatness under the influence of self weight, optionally, a reinforcing rib 3 is provided on the panel layer 11, the reinforcing rib 3 is optionally provided in a direction parallel to the secondary keel frame 222, and the reinforcing rib 3 is fixed on the panel layer 11 by a bolt provided at the back of the panel layer 11. The reinforcing ribs are used to improve the supporting strength of the panel layers, and particularly, when the panel layers are thin, the reinforcing ribs can prevent the panel layers from being deformed when uneven stress is applied. Meanwhile, the reinforcing ribs can assist the positions, which are not connected with the supporting components, on the supporting panel layer, and prevent the supporting panel layer from deforming under the action of self weight. Therefore, the structure and arrangement of the reinforcing ribs are not limited to the above, and other types of reinforcing ribs, such as long ribs, are adhered to the back of the panel layer by bonding or fixed to the back of the panel layer by welding, which is allowed by the present application.

Fig. 5 shows an assembly schematic diagram of a waterproof roofing system according to an embodiment of the present application, in which the roof assembly 1 includes a panel layer 11, an intermediate layer 12 and a ceiling layer 13, which are sequentially arranged in parallel, the support assembly 2 is used for supporting the roof assembly 1, and an insulating layer 4 is arranged between the intermediate layer 12 and the ceiling layer 13. In specific construction, the panel layer 11 is fixed on the connecting support 21 through the fixing piece 23 and the self-tapping self-drilling nail, and the connecting support 21 is respectively connected with the upper keel frame 2221 and the main keel frame 221 through the self-tapping self-drilling nail; the suspended ceiling layer 13 is connected to the lower keel frame 2222 and the main keel frame 221 through the fixing piece 23 and the self-drilling and self-tapping screw respectively, and the upper keel frame 2221 and the lower keel frame 2222 are connected with the main keel frame 221 through the plug piece 223, so that the support assembly 2 forms a stable stress system. The intermediate level 12 is connected with last keel frame 2221 and main joist frame 221 respectively through self-tapping self-drilling nail, fills heat preservation 4 between intermediate level 12 and the furred ceiling layer 13, and heat preservation 4 comprises the heat preservation cotton to the waterproof roofing system that makes this application provide has thermal-insulated and sound insulation function. Waterproof layer 121 is laid above middle layer 12, waterproof layer 121 is continuous waterproofing membrane, connect support 21 and connect middle layer 12 and pass waterproof layer 121 and be connected with mounting 23, connect the handing-over department of support 21 and waterproof layer 121 and execute sealed glue 211, execute waterproof glue 111 between the slab joint of panel layer 11, execute waterproof glue 131 between the slab joint of furred ceiling layer 13, has just so accomplished waterproof function. Even if the waterproof glue 111 on the panel layer 11 is damaged, a small amount of water passes through the gap on the panel layer 11 and enters the middle layer 12, the water is blocked outdoors by the continuous waterproof layer 121 on the middle layer 12, and meanwhile, the connection support 21 and the waterproof layer 121 are subjected to glue beating treatment, so that the water cannot flow into the waterproof layer 121 and further enter a waterproof roofing system, and the whole building structure is damaged.

The utility model provides a waterproof roofing system comprises roofing subassembly and supporting component, and the roofing subassembly includes a plurality of parallel arrangement's sheet layer, the sheet layer is panel layer, intermediate level and furred ceiling layer in proper order, and supporting component connects panel layer and intermediate level including connecting support and keel frame, connecting support, and keel frame connects intermediate level and furred ceiling layer, sets up the waterproof glue on panel layer and the furred ceiling layer, sets up the waterproof layer on the intermediate level, and the waterproof layer is continuous waterproofing membrane. According to the scheme, the connecting support and the waterproof coiled material which is continuously laid are arranged below the panel layer, so that a waterproof layer is formed in the middle layer of the roof assembly, the waterproof layer is continuous and uninterrupted and has no seam and nail holes, the waterproof function of the aluminum plate roof is enhanced, even if the waterproof glue seam on the panel layer is broken, a small amount of leaked water cannot enter the room, and the waterproof, heat-insulating and other functions of a waterproof roof system cannot be damaged; and a plurality of keels are not arranged between the plate layers on the whole waterproof roof system for connection, so that the thickness of the roof is reduced, and the whole cost is more economic.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A water resistant roofing system comprising:

the roof assembly comprises a plurality of plate layers arranged in parallel, the plate layers are a panel layer, a middle layer and a ceiling layer in sequence, the middle layer is connected with the panel layer, waterproof glue is arranged on the panel layer and the ceiling layer, a waterproof layer is arranged on the middle layer, and the waterproof layer is a continuous waterproof coiled material;

the supporting component comprises a connecting support and a keel frame, the connecting support is arranged on the middle layer, the connecting support penetrates through the waterproof layer to be connected with the panel layer, and the keel frame is connected with the middle layer and the suspended ceiling layer.

2. The waterproof roofing system defined in claim 1 wherein a sealant is disposed between the junction of said connecting brace and said waterproof layer.

3. The waterproof roofing system of claim 1 wherein the deck and the suspended ceiling are each formed by a plurality of metal sheets joined together by fasteners.

4. The water resistant roofing system of claim 3 wherein the securing member connects the deck and the connecting brace, the securing member connecting the suspended ceiling layer and the keel frame.

5. The waterproof roofing system defined in claim 3 wherein said glue is provided at the splice of said plurality of metal sheets.

6. The waterproof roofing system of claim 1 wherein the keel frame includes a main keel frame and a secondary keel frame, the axis direction of the main keel frame, the axis direction of the secondary keel frame and the slab layer are arranged in parallel, the secondary keel frame is vertically connected with the main keel frame, and the main keel frame and the secondary keel frame are respectively connected with the intermediate layer and the suspended ceiling layer.

7. The waterproof roofing system of claim 6 wherein the secondary keel frame comprises an upper keel frame and a lower keel frame, the upper keel frame and the lower keel frame are arranged in parallel, the upper keel frame is connected with the middle layer, and the lower keel frame is connected with the suspended ceiling layer.

8. The waterproof roofing system of claim 6 wherein the keel frame further comprises a connector clip, the connector clip connects perpendicularly to the main keel frame, the secondary keel frame connects with and passes through the connector clip adjusts the length of the secondary keel frame.

9. The water resistant roofing system of claim 1 wherein the roofing assembly further includes reinforcing ribs connected to the panel layers, the reinforcing ribs configured to support the panel layers.

10. The water resistant roofing system defined in any one of claims 1 to 9 further includes an insulating layer disposed between the intermediate layer and the suspended ceiling layer.

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