Roof flashing waterproof structure

Abstract

The utility model discloses a roof flashing waterproof structure which comprises a roof horizontal plane and a protruding vertical plane which are vertically connected, a first waterproof structure is laid on the roof horizontal plane, a second waterproof structure is laid on the protruding vertical plane, and the first waterproof structure and the second waterproof structure are the same in structure. Wherein the first waterproof structure is formed by sequentially overlapping a waterproof coiled material, an EPS plate and an anti-crack mortar layer, and the first waterproof structure and the second waterproof structure are perpendicularly connected to form the roof flashing heat preservation waterproof anti-crack structure. According to the utility model, the waterproof performance of the flashing part of the roof is obviously enhanced, and the crack resistance and durability of the waterproof structure are improved. Meanwhile, the EPS plates are adopted, the heat preservation effect of the roof is improved, and heat conduction is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building waterproof structure technical field, specifically a roof flashing waterproof structure. BACKGROUND

[0002] Flashing, waterproof structure between roof waterproof layer and protruding structure. Such as parapet wall, chimney, staircase, deformation joint, manhole, vertical pipe and so on wall surface above the roof, the junction of roof and roof, extend the roof waterproof layer to these vertical surface, form the waterproof layer of vertical paving, called flashing.

[0003] The existing roof flashing construction, generally adopt simple laying waterproof roll material after covering mortar construction structure, there are many defects. Its use process is difficult to resist temperature change, base deformation, rain erosion and other external environment. With the passage of time, the flashing part is prone to crack, thereby causing rainwater to penetrate, causing roof leakage, heat preservation performance decline and other problems, bring serious hidden trouble to building safety and use.

[0004] Traditional waterproof material is difficult to resist the stress caused by temperature change, base deformation is easy to cause the cracking of waterproof layer, and the waterproof performance is not reliable enough. The existing waterproof structure also lacks effective method to ensure the airtightness of each layer of material, which is easy to cause the penetration of rainwater.

[0005] Therefore, there is an urgent need for a roof flashing heat preservation waterproof anti-cracking structure that can improve the waterproof performance and durability of the roof and prolong the service life of the building. UTILITY MODEL CONTENTS

[0006] The utility model provides a roof flashing waterproof structure to solve the problem in the background art.

[0007] In order to realize the above object, the utility model adopts the following technical scheme:

[0008] A roof flashing waterproof structure, comprising a vertical roof horizontal plane and a convex vertical plane, the roof horizontal plane is provided with waterproof structure one, the convex vertical plane is provided with waterproof structure two, the waterproof structure one and the waterproof structure two are the same structure, wherein the waterproof structure one is formed by waterproof roll material, EPS board and anti-cracking mortar layer in sequence, the waterproof structure one and the waterproof structure two are vertically connected to form a roof flashing heat preservation waterproof anti-cracking structure. According to the heat preservation temperature requirement of roof, replace the EPS board of different thickness and lay and process.

[0009] Preferably, the intersection of the two EPS boards is connected by cutting the bevel to form a female corner EPS layer or a male corner EPS layer, and the EPS board is fixed by adhesive and waterproof roll material. It is convenient to quickly process the female and male corners of the roof horizontal plane and the convex vertical plane.

[0010] Preferably, the anti-cracking mortar layer comprises an anti-cracking mortar layer one and an anti-cracking mortar layer two, the anti-cracking mortar layer one is covered on the EPS plate, and the alkali-resistant glass fiber mesh is laid between the anti-cracking mortar layer one and the anti-cracking mortar layer two. The anti-cracking ability of the waterproof structure one and the waterproof structure two is improved, and the service life of the roof is prolonged. The lap width of the alkali-resistant glass fiber mesh is not less than 100 mm.

[0011] Preferably, the thickness of the anti-cracking mortar layer one and the thickness of the anti-cracking mortar layer two are both 1 mm-2 mm.

[0012] Preferably, the joint between the waterproof structure one and the waterproof structure two and the joint between each adjacent EPS plate are all covered with sealant filling sealing. The sealing property between the plate joints is improved, and the waterproof effect is further improved.

[0013] Preferably, a layer of cement mortar protection feet is laid at the joint of the two EPS plates, and a drainage ditch is arranged on one side of the cement mortar protection feet. The cement mortar protection feet improve the waterproof sealing effect of the joint between the EPS plates, and the slope of the cement mortar protection feet cooperates with the drainage ditch to effectively drain the backflow of rainwater and prevent water accumulation.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The roof water ponding waterproof structure lays the composite waterproof system composed of the waterproof roll material, the high-efficiency heat preservation polystyrene foam (EPS plate) and the anti-cracking mortar layer with the anti-cracking function at the joint between the roof horizontal plane and the protruding vertical plane, so that the waterproof effect between the roof and the protruding structure is ensured. The anti-cracking mortar layer one and the anti-cracking mortar layer two are laid in layers, and the alkali-resistant glass fiber mesh is laid between the anti-cracking mortar layer one and the anti-cracking mortar layer two, so that the anti-cracking performance of the waterproof layer is enhanced, and the cracking under the conditions of temperature change and base deformation is effectively prevented. The application of the sealant fills the possible gaps between the waterproof structure one and the waterproof structure two and the joints of the EPS plates, so that the waterproof effect is more airtight.

[0016] The utility model significantly enhances the waterproof performance of the roof water ponding part, improves the anti-cracking ability and durability of the waterproof structure, simultaneously, the EPS plate is adopted, the heat preservation effect of the roof is improved, and the heat conduction is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The waterproof structure one and the waterproof structure two are laid on the roof horizontal plane and the protruding vertical plane of the utility model, and the sectional structure schematic view is shown.

[0018] Figure 2 The sectional structure enlarged schematic view of the waterproof structure one of the utility model is shown.

[0019] Figure 3 It is the EPS board's external corner splicing processing schematic diagram of the utility model.

[0020] Figure 4 It is the EPS board's internal corner splicing processing schematic diagram

[0021] 11, roof horizontal plane;12, convex vertical plane;21, waterproof structure one;22, waterproof structure two;3, EPS board;4, anti-cracking mortar layer;41, anti-cracking mortar layer one;42, anti-cracking mortar layer two;43, alkali-resistant glass fiber mesh;5, cement mortar toe;6, drainage ditch;7, waterproof roll material. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Reference Figures 1-4 A roof flashing waterproof structure, including vertically connected roof horizontal plane 11 and convex vertical plane 12, waterproof structure one 21 is laid on the roof horizontal plane 11, waterproof structure two 22 is laid on the convex vertical plane 12, the structure of waterproof structure one 21 and waterproof structure two 22 is same, wherein the waterproof structure one 21 is formed by waterproof roll material 7, EPS board 3 and anti-cracking mortar layer 4 in turn, the waterproof structure one 21 and waterproof structure two 22 are vertically connected to form a kind of roof flashing heat preservation waterproof anti-cracking structure. Convex vertical plane 12 can be parapet, chimney, stairwell, deformation joint, manhole, vertical pipe and so on.

[0024] The intersection of two EPS boards 3 is connected by cutting bevel, forms internal corner EPS layer or external corner EPS layer, the EPS board 3 is fixed by adhesive and waterproof roll material 7. It is convenient to carry out rapid processing to the internal and external corner of the roof horizontal plane 11 and the convex vertical plane 12 formed flashing part.

[0025] The anti-cracking mortar layer 4 includes anti-cracking mortar layer one 41 and anti-cracking mortar layer two 42, the anti-cracking mortar layer one 41 is covered on the EPS board 3, the anti-cracking mortar layer one 41 and the anti-cracking mortar layer two 42 are laid with alkali-resistant glass fiber mesh 43. The anti-cracking ability of waterproof structure one 21 and waterproof structure two 22 is improved, and the service life of roof is prolonged. The lap width of alkali-resistant glass fiber mesh 43 is not less than 100mm.

[0026] The thickness of the crack-resistant mortar layer 41 and the thickness of the crack-resistant mortar layer 42 are both 1mm-2mm.

[0027] The joints between waterproof structure 1 21 and waterproof structure 22, as well as between adjacent EPS boards 3, are all sealed with sealant. This improves the sealing between the board joints and further enhances the waterproof effect.

[0028] A layer of cement mortar foot protector 5 is laid at the joint of the two EPS boards 3, and a drainage ditch 6 is provided on one side of the cement mortar foot protector 5. The cement mortar foot protector 5 improves the waterproof sealing effect at the joint between the EPS boards 3, and the sloping surface of the cement mortar foot protector 5, together with the drainage ditch 6, can effectively backflow and discharge rainwater to prevent water accumulation.

[0029] During construction of this utility model, firstly, the base surface of the roof flashing area, namely the horizontal roof surface 11 and the raised vertical surface 12, is cleaned to remove dust, debris, and loose concrete. Cracks and holes on the horizontal roof surface 11 and the raised vertical surface 12 are then repaired to ensure the base surface is flat and firm.

[0030] Next, lay the waterproof membrane 7 on the base surface. The membrane should extend upwards along the flashing to a certain height and overlap tightly with the existing waterproof layer. Ensure that the waterproof membrane 7 is laid flat, without wrinkles or hollow areas. Cut EPS boards 3 to appropriate sizes according to the dimensions and shape of the roof horizontal plane 11 and the raised vertical plane 12. Adhere the EPS boards 3 to the surface of the waterproof membrane 7 using a special adhesive to ensure a firm bond. The EPS boards 3 should be tightly joined without gaps.

[0031] Next, apply crack-resistant mortar layer 41 to the surface of EPS board 3, ensuring even application and no omissions. Lay alkali-resistant fiberglass mesh 43 on the surface of crack-resistant mortar layer 41, ensuring the mesh is flat and wrinkle-free. Then, apply crack-resistant mortar layer 42 to the surface of alkali-resistant fiberglass mesh 43, ensuring complete coverage of the mesh. After applying the crack-resistant mortar, curing should be performed to ensure the mortar strength meets requirements.

[0032] Finally, seal the inside and outside corners and joints of the flashing area using sealant to ensure a tight seal.

[0033] This invention significantly enhances the waterproof performance of the roof flashing, improves the crack resistance and durability of the waterproof structure, and at the same time, the use of EPS board improves the roof insulation effect and reduces heat conduction.

[0034] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0035] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A roof flashing waterproof structure comprising a roof horizontal plane (11) and a raised vertical plane (12) which are joined perpendicularly, characterized in that, The roof horizontal plane (11) is paved with waterproof structure one (21), the convex vertical plane (12) is paved with waterproof structure two (22), the waterproof structure one (21) and waterproof structure two (22) are the same structure, wherein the waterproof structure one (21) is formed by waterproof coiled material (7), EPS board (3) and anti-crack mortar layer (4) in turn, the waterproof structure one (21) and waterproof structure two (22) are vertically connected to form a kind of roof water retaining heat-proof and crack-proof structure, the intersection of two EPS boards (3) is connected by cutting bevel, forms a female corner EPS layer or a male corner EPS layer, the EPS board (3) is fixed by adhesive and waterproof coiled material (7), the anti-crack mortar layer (4) includes anti-crack mortar layer one (41) and anti-crack mortar layer two (42), the anti-crack mortar layer one (41) is covered on EPS board (3), the anti-crack mortar layer one (41) and anti-crack mortar layer two (42) are paved with alkali-resistant glass fiber mesh (43), a layer of cement mortar toe guard (5) is paved at the intersection of two EPS boards (3), one side of the cement mortar toe guard (5) is provided with drainage ditch (6), the thickness of the anti-crack mortar layer one (41) and the thickness of the anti-crack mortar layer two (42) are all 1mm-2mm, the junction between the waterproof structure one (21) and the waterproof structure two (22) and the adjacent EPS board (3) are all covered with sealant filling seal.

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