A flashing construction method for the foot of a steel structure PVC waterproof roof

Abstract

The invention discloses a construction method of a flashing structure at the foot of a steel structure PVC waterproof roof, comprising a roof, and comprising the following steps: S1, clamping an annular iron block at the inner port of a drain pipe, and fitting a protective film for closed protection; S2, keeping the side of a sedimentation tank as a slope surface, and cutting a head groove at the upper position of a parapet; S3, cleaning the position after cutting; S4, laying a mortar layer at the bottom of the sedimentation tank, and standing to dry and shape; S5, baking and pasting a waterproof coiled material on the surface of the roof, fitting it to the mortar layer and the transition fillet position, and the head position fitting to the side of the parapet; S6, curling the end of the waterproof coiled material to form a roll, clamping it to the inside of the head groove, baking and pasting it for shaping; S7, marking the position of the drain pipe port with a line; S8, cutting the marked position; S9, and completing the construction of the flashing structure, which can greatly improve the convenience and accuracy of construction, ensure safety and efficiency, and facilitate popularization and use.

Description

Technical Field

[0001] The invention relates to the technical field of flashing structures, and in particular to a construction method for a flashing structure at the foot of a steel structure PVC waterproof roof. Background Art

[0002] During the construction of the steel structure roof, in order to ensure safety in use, waterproof construction is required, and a flashing structure needs to be built at the corner of the edge parapet to ensure drainage and waterproofing effects.

[0003] However, in the existing corner flashing structure and construction, the waterproof membrane is mostly directly attached to the corner of the wall, which will cause the corner to be vertically bent, which is easy to be damaged and affect the waterproof effect, leakage will occur, and the edge position will be raised, so that rainwater cannot enter the drain pipe smoothly. At the same time, it will also cause the drain pipe to be blocked, which is not conducive to accurate dredging, affects drainage efficiency, and causes poor waterproof effect. Improvements are needed. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a construction method for flashing structure at the foot of a steel structure PVC waterproof roof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A construction method for flashing structure at the foot of a steel structure PVC waterproof roof, comprising a roof, a parapet is provided at the edge of the roof, a drainage pipe is fixedly installed on one side surface of the parapet, and the construction method for flashing structure at the foot of the steel structure PVC waterproof roof comprises the following steps:

[0007] S1. Attach a ring-shaped iron block to the inner port of the drain pipe and attach a protective film to seal and protect it;

[0008] S2. Cut at the corner of the parapet and the roof to form a drainage trough, keep the side of the trough sloped, and cut at the upper part of the parapet to form a head groove;

[0009] S3. Clean the cutting position and sweep a large area to remove dust and debris;

[0010] S4. Lay a mortar layer at the bottom of the sedimentation tank, perform leveling, form a transition fillet at the position where it fits with the parapet, and let it stand to dry and set;

[0011] S5. Bake and paste the waterproof membrane on the roof surface, fitting it to the mortar layer and the transition fillet position, and the end position fits to the side of the parapet;

[0012] S6, curling the end of the waterproofing membrane into a roll, clipping it into the end groove, and baking and pasting it to shape;

[0013] S7. Use a magnet to magnetically adsorb the bottom of the waterproof membrane, and mark the position of the drain pipe port corresponding to the position of the annular iron block;

[0014] S8, cutting the marked position to form an opening corresponding to the drainage pipe;

[0015] S9. Fill the marked cutting position with an annular resin to seal it, then take out the annular iron block to penetrate it, and the flashing structure construction can be completed.

[0016] Preferably, the sedimentation tank in step S2 has a depth of 25 mm to 30 mm and a width of 55 mm to 70 mm.

[0017] Preferably, the height difference between the end groove and the roof in step S2 is 250 mm to 280 mm, and the width of the end groove is 30 mm to 35 mm, and the depth is 20 mm to 25 mm.

[0018] Preferably, the thickness of the mortar layer in step S4 is 12 mm to 15 mm, and the transition fillet is directly pressed into shape by a round tube.

[0019] Preferably, the waterproof coiled material drying and pasting in step S5 is performed by laying a coiled material flat and then pasting and positioning it in an integrated manner.

[0020] Preferably, the epoxy resin in step S9 is poured into the bonding surface of the waterproof membrane and the pipe opening of the drain pipe, and is integrally injected and molded.

[0021] Preferably, a sedimentation trough is formed on one end surface of the roof, a slope is provided on one side surface of the sedimentation trough, a mortar layer is cast at the bottom of the sedimentation trough, a transition fillet is formed on one end surface of the mortar layer, and a cap groove is provided on one side surface of the parapet.

[0022] Preferably, a waterproof roll material layer is fixedly attached to the surface of the roof, one end surface of the waterproof roll material layer forms a slope layer, the slope layer is fixedly attached to the slope surface, one end of the waterproof roll material layer forms a vertical layer, the vertical layer is fixedly attached to the parapet, and one end of the waterproof roll material layer is provided with a drum.

[0023] Preferably, one end of the annular iron block is fixedly connected to an extended threaded rod, one end of the extended threaded rod is threadedly connected to a threaded barrel through a threaded hole, one end of the threaded barrel is fixedly connected to a fixed barrel, one end surface of the fixed barrel is clamped to the other end of the drain pipe, and an exhaust hole is provided on the surface of the fixed barrel.

[0024] The invention provides a construction method for flashing structure at the foot of a steel structure PVC waterproof roof. A settling trough and a head groove are formed by cutting, and then a transition fillet is formed after leveling the mortar layer. The smoothness of the waterproof membrane layer can be ensured to avoid bending and damage. At the same time, the head position is relatively stable to avoid cracking and leakage. At the same time, the height of the drainage pipe is matched by the settling trough to avoid blockage due to height difference. During construction, an annular iron block is used for sealing and protection to avoid dust blockage and facilitate subsequent hole opening and penetration, thereby ensuring accuracy and avoiding interference due to misalignment and omission, fully embodying the advantages of drainage as the main and waterproofing as the auxiliary. In this way, the convenience and accuracy of construction can be greatly improved, safety and efficiency can be guaranteed, and it is conducive to popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 For the present invention Figure 1 A magnified view of the connection between the middle settling tank and the waterproof membrane;

[0027] Figure 3 It is a partial cross-sectional view of the connection between the annular iron block and the drainage pipe of the present invention.

[0028] In the figure: 1 roof, 11 parapet, 12 drain pipe, 13 annular iron block, 14 sedimentation trough, 15 slope surface, 16 mortar layer, 17 transition fillet, 18 end groove, 2 waterproof membrane layer, 21 slope layer, 22 vertical layer, 23 drum, 24 extended threaded rod, 25 threaded hole, 26 threaded tube, 27 fixed tube, 28 exhaust hole. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] See also Figure 1 , Figure 2 and Figure 3 A construction method for flashing structure at the foot of a steel structure PVC waterproof roof, comprising a roof 1, a parapet 11 is provided at the edge of the roof 1, a drainage pipe 12 is fixedly installed on one side surface of the parapet 11, and the construction method for flashing structure at the foot of the steel structure PVC waterproof roof comprises the following steps:

[0031] S1. Attach a ring-shaped iron block to the inner port of the drain pipe and attach a protective film to seal and protect it;

[0032] S2. Cut at the corner of the parapet and the roof to form a drainage trough, keep the side of the trough sloped, and cut at the upper part of the parapet to form a head groove;

[0033] S3. Clean the cutting position and sweep a large area to remove dust and debris;

[0034] S4. Lay a mortar layer at the bottom of the sedimentation tank, perform leveling, form a transition fillet at the position where it fits with the parapet, and let it stand to dry and set;

[0035] S5. Bake and paste the waterproof membrane on the roof surface, fitting it to the mortar layer and the transition fillet position, and the end position fits to the side of the parapet;

[0036] S6, curling the end of the waterproofing membrane into a roll, clipping it into the end groove, and baking and pasting it to shape;

[0037] S7. Use a magnet to magnetically adsorb the bottom of the waterproof membrane, and mark the position of the drain pipe port corresponding to the position of the annular iron block;

[0038] S8, cutting the marked position to form an opening corresponding to the drainage pipe;

[0039] S9. Fill the marked cutting position with an annular resin to seal it, then take out the annular iron block to penetrate it, and the flashing structure construction can be completed.

[0040] Preferably, the sedimentation tank in step S2 has a depth of 25 mm to 30 mm and a width of 55 mm to 70 mm.

[0041] Preferably, the height difference between the end groove and the roof in step S2 is 250 mm to 280 mm, and the width of the end groove is 30 mm to 35 mm, and the depth is 20 mm to 25 mm.

[0042] Preferably, the thickness of the mortar layer in step S4 is 12 mm to 15 mm, and the transition fillet is directly pressed into shape by a round tube.

[0043] Preferably, the waterproof coiled material drying and pasting in step S5 is performed by laying a coiled material flat and then pasting and positioning it in an integrated manner.

[0044] Preferably, the epoxy resin in step S9 is poured into the bonding surface of the waterproof membrane and the pipe opening of the drain pipe, and is integrally injected and molded.

[0045] Preferably, a sedimentation trough 14 is formed on one end surface of the roof 1, and a slope surface 15 is provided on one side surface of the sedimentation trough 14. A mortar layer 16 is cast at the bottom of the sedimentation trough 14, and a transition fillet 17 is formed on one end surface of the mortar layer 16, which can ensure a flat screen at the corner position, facilitate fitting and positioning, and avoid bending. A end groove 18 is provided on one side surface of the parapet 11.

[0046] Preferably, a waterproof membrane layer 2 is fixedly attached to the surface of the roof 1, and a slope layer 21 is formed on the surface of one end of the waterproof membrane layer 2. The slope layer 21 is fixedly attached to the slope surface 15, which is conducive to smooth fitting and ensures the stability of adhesion. At the same time, it avoids damage caused by transitional bending, improves the safety of construction and waterproof stability, and is convenient for use. One end of the waterproof membrane layer 2 forms a vertical layer 22, and the vertical layer 22 is fixedly attached to the parapet 11. A roller 23 is provided at one end of the waterproof membrane layer 2.

[0047] Preferably, one end of the annular iron block 13 is fixedly connected to an extended threaded rod 24, one end of the extended threaded rod 24 is threadedly connected to a threaded tube 26 through a threaded hole 25, one end of the threaded tube 26 is fixedly connected to a fixed tube 27, one end surface of the fixed tube 27 is clamped to the other end of the drain pipe 12, and the surface of the fixed tube 27 is provided with an exhaust hole 28, the annular iron block 13 can be inserted from the outer end of the exhaust pipe 12, and then the extended threaded rod 24 is threadedly rotated to adjust the length to ensure that the annular iron block 13 fits into the inner end of the drain pipe 12, and then the isolation seal is performed to avoid blockage, and the other end is clamped to the surface of the drain pipe 12 through the fixed tube 27, which can be clamped and positioned to ensure the stability of the connection protection, and after the construction is completed, the fixed tube 27 can be directly pulled out to pull out the annular iron block 13, and then the drain pipe 12 is penetrated to avoid blockage, which is convenient for operation and conducive to construction.

Claims

1. A construction method for flashing structure at the foot of a steel structure PVC waterproof roof, comprising a roof (1), characterized in that: A parapet (11) is provided at the edge of the roof (1), and a drainage pipe (12) is fixedly installed on one side surface of the parapet (11); A sedimentation trough (14) is formed on one end surface of the roof (1), a slope surface (15) is provided on one side surface of the sedimentation trough (14), a mortar layer (16) is cast at the bottom of the sedimentation trough (14), a transition fillet (17) is formed on one end surface of the mortar layer (16), and a head groove (18) is provided on one side surface of the parapet (11); A waterproof roll material layer (2) is fixedly attached to the surface of the roof (1), one end surface of the waterproof roll material layer (2) forms a slope layer (21), the slope layer (21) is fixedly attached to the slope surface (15), one end of the waterproof roll material layer (2) forms a vertical layer (22), the vertical layer (22) is fixedly attached to the parapet (11), and one end of the waterproof roll material layer (2) is provided with a reel (23); An annular iron block (13) is clamped on the side surface of one end of the drainage pipe (12); an extended threaded rod (24) is fixedly connected to one end of the annular iron block (13); a threaded cylinder (26) is threadedly connected to one end of the extended threaded rod (24) through a threaded hole (25); a fixed cylinder (27) is fixedly connected to one end of the threaded cylinder (26); one end surface of the fixed cylinder (27) is clamped on the other end of the drainage pipe (12); and an exhaust hole (28) is provided on the surface of the fixed cylinder (27); The construction method of the flashing structure at the foot of the steel structure PVC waterproof roof includes the following steps: S1. Attach a ring-shaped iron block to the inner port of the drain pipe and attach a protective film to seal and protect it; S2. Cut at the corner of the parapet and the roof to form a drainage trough, keep the side of the trough sloped, and cut at the upper part of the parapet to form a head groove; S3. Clean the cutting position and sweep a large area to remove dust and debris; S4. Lay a mortar layer at the bottom of the sedimentation tank, perform leveling, form a transition fillet at the position where it fits with the parapet, and let it stand to dry and set; S5. Bake and paste the waterproof membrane on the roof surface, fitting it to the mortar layer and the transition fillet position, and the end position fits to the side of the parapet; S6, curling the end of the waterproofing membrane into a roll, clipping it into the end groove, and baking and pasting it to shape; S7. Use a magnet to magnetically adsorb the bottom of the waterproof membrane, and mark the position of the drain pipe port corresponding to the position of the annular iron block; S8, cutting the marked position to form an opening corresponding to the drainage pipe; S9. Fill the marked cutting position with an annular resin to seal it, then take out the annular iron block to penetrate it, and the flashing structure construction can be completed.

2. The construction method of the flashing structure at the foot of a steel structure PVC waterproof roof according to claim 1, characterized in that: The sedimentation tank in step S2 has a depth of 25 mm to 30 mm and a width of 55 mm to 70 mm.

3. The construction method of the flashing structure at the foot of a steel structure PVC waterproof roof according to claim 1, characterized in that: In step S2, the height difference between the end groove and the roof is 250 mm to 280 mm, and the width of the end groove is 30 mm to 35 mm, and the depth is 20 mm to 25 mm.

4. The construction method of the flashing structure at the foot of a steel structure PVC waterproof roof according to claim 1, characterized in that: The thickness of the mortar layer in step S4 is 12 mm to 15 mm, and the transition fillet is directly pressed into shape by a round tube.

5. The construction method of the flashing structure at the foot of a steel structure PVC waterproof roof according to claim 1, characterized in that: The waterproofing coiled material drying and pasting in step S5 is performed by laying a coiled material flat and then pasting and positioning it in an integrated manner.

6. The construction method of the flashing structure at the foot of a steel structure PVC waterproof roof according to claim 1, characterized in that: The epoxy resin in step S9 is poured into the waterproof membrane bonding surface and the pipe opening of the drainage pipe, and is integrally injected and molded.

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