Waterproof structure for newly-added opening of compression-molded roof

Abstract

The utility model discloses a kind of waterproof structure of moulding roof new opening, it is related to moulding roof waterproof and opening repair technical field, original roof structure includes moulding texture, fine stone concrete, polystyrene extruded sheet, original waterproof coating and coiled material, cement mortar leveling, light aggregate concrete slope finding, cast-in-place reinforced concrete from top to bottom in order, newly added hole directly penetrates roof, recess is set at polystyrene extruded sheet, and polystyrene extruded sheet is plugged in recess, waterproof reverse ridge is set in roof, and reverse waterproof coiled material is outwardly reverse-wrapped from the bottom after plugging, along hole wall until the top of waterproof reverse ridge, gap in recess is filled using asphalt waterproof oil paste, hole wall is adhered using asphalt waterproof oil paste, reverse-wrapped waterproof coiled material outside is covered and leveled using cement mortar finish.The utility model can solve the problem that existing moulding roof new opening is greatly damaged to roof surface layer, each waterproof measure is poor in integrity, and construction is complex and long in duration.

Description

Technical Field

[0001] This utility model relates to the field of waterproofing engineering for stamped roofs and the technology of opening repair, specifically to a waterproofing structure for adding openings to stamped roofs. Background Technology

[0002] Stamped roofs, with their surface textures resembling stone and brick, combine decorative and practical functions. However, the need for additional openings (such as for pipes or ventilation equipment) can damage the original roof's insulation, waterproofing system, and surface decoration. In particular, the adhesion between the extruded polystyrene board insulation layer and the waterproofing structure and stamped texture becomes a key hidden danger for waterproofing failure and appearance damage.

[0003] The construction process is lengthy, and changes in room function often require new openings in the roof. Traditionally, this involves creating openings in the roof surface according to pipe dimensions, enlarging the openings for waterproofing, and then repairing them after completion. This process disrupts the original texture of the molded roof. Furthermore, other equipment is often already installed when new openings are created, making relocation difficult and severely restricting workspace. Therefore, there is an urgent need for a waterproofing structure for new openings in molded roofs that reduces the opening area and provides excellent waterproofing. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a waterproof structure for adding openings to molded roofs that is small in opening area, waterproof, and easy to operate, which can solve the problems of large opening area, single sealing method and complicated operation in the prior art. Its overall structure has a small opening area, is waterproof, saves time and effort, and is suitable for adding openings for pipe installation, equipment installation and other scenarios on molded roofs.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: a newly added waterproof structure for a stamped roof with openings. The original roof structure, from top to bottom, includes stamped texture, fine stone concrete, extruded polystyrene board, original waterproof coating and roll material, cement mortar leveling, lightweight aggregate concrete slope, and cast-in-place reinforced concrete. The newly added holes directly penetrate the roof. Grooves are opened at the extruded polystyrene board, and the extruded polystyrene board is sealed with a leak-stopping agent at the grooves. A waterproof curb is set on the roof. The waterproof roll material is wrapped from the bottom after sealing with the leak-stopping agent outwards, along the hole wall to the top of the waterproof curb. The gaps in the grooves are filled with asphalt waterproof sealant, and the holes are bonded with asphalt waterproof sealant. The outside of the waterproof roll material is covered and leveled with cement mortar.

[0006] Furthermore, the groove is formed by cutting the polystyrene extruded board with an electric drill and a hot knife, with a depth of 180±3mm and a thickness consistent with the original polystyrene extruded board. The surface is then polished to form a rough surface.

[0007] Furthermore, the sealing agent has a sealing thickness of 8±1mm and must completely seal the interface of the polystyrene extruded board.

[0008] Furthermore, the reverse-wrapped waterproof membrane is an SBS modified bitumen waterproof membrane with a thickness of 4mm, a tensile strength of ≥800N / 50mm, and an elongation of ≥40%. It is reverse-wrapped from the groove along the hole wall to the top of the waterproof retaining wall, overlapping the original waterproof membrane by 150±3mm.

[0009] Furthermore, the waterproof retaining wall is constructed of cement mortar, protruding 100mm above the finished roof surface, and connected to the roof at the bottom by reinforcing bars. The inside and outside corners are curved to guide rainwater.

[0010] Furthermore, the reinforcing bars used are φ8mm, evenly arranged along the perimeter of the waterproof retaining wall, with a bottom reinforcement depth of 100mm, extending 50mm beyond the roof surface, and at least 2 bars on each side. The corners are reinforced to ensure overall integrity.

[0011] The working principle of this utility model is as follows: In-situ construction: After determining the size of the equipment and pipeline, the lines are laid out and holes are drilled. Construction can begin directly after the building roof is broken up. There is no need to break up the building roof surface layer for waterproofing. The extruded polystyrene board is cut directly with an electric drill and an electric hot knife to create a groove for the operation.

[0012] Rigid sealing at the interface: After the extruded polystyrene board forms a groove, it is ground into a rough surface. When the sealant is filled, it can bond tightly with the groove. At the same time, the sealant has a micro-expansion function, which can firmly fill the gap and block the water seepage path.

[0013] Flexible sealing with rolled material: The waterproof rolled material is wrapped up from the groove along the hole wall and extends upward to the top of the waterproof retaining wall. The middle is filled with asphalt waterproof sealant, which also serves to adhere the wrapped waterproof rolled material.

[0014] Compared with the prior art, the present invention has the following beneficial effects: In-situ construction saves space: Since other equipment has already been installed on the existing roof, this utility model only requires drilling according to the size of the installed pipe when adding new openings, without the need for additional openings for waterproofing, thus reducing the work surface.

[0015] Dual protection combining rigidity and flexibility: First, use a leak-stopping agent to rigidly seal the interface of the extruded polystyrene board, and then use waterproof membrane wrapping and asphalt waterproof sealant for flexible sealing. The dual combination enhances waterproof performance.

[0016] Convenient construction and cost-saving: The overall process is simplified, avoiding the need to enlarge holes, treat waterproofing, and backfill, thus reducing working hours and saving costs.

[0017] This utility model is applicable to waterproofing and insulation repair of newly opened holes in molded roofs of residential and public buildings, such as for pipe installation and solar equipment installation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model; Explanation of the reference numerals in the figure: 1. Leak-stopping compound; 2. Asphalt waterproof sealant; 3. Reverse-wrapped waterproof membrane; 4. Groove; 5. Waterproof retaining wall; 6. Cement mortar plastering; 7. Extruded polystyrene board; 8. Original waterproof membrane and coating; 9. Cast-in-place reinforced concrete; 10. Cement mortar leveling; 11. Lightweight aggregate concrete slope; 12. Stamped texture; 13. Fine aggregate concrete. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] Reference Figure 1 This embodiment provides a newly added waterproof structure for a stamped roof. The original roof structure, from top to bottom, includes stamped texture 12, fine stone concrete 13, extruded polystyrene board 7, original waterproof coating and membrane 8, cement mortar leveling 10, lightweight aggregate concrete slope 11, and cast-in-place reinforced concrete 9. The newly added hole directly penetrates the roof. A groove 4 is opened at the extruded polystyrene board 7, and a leak-stopping agent 1 is applied to the extruded polystyrene board 7 at the groove 4. A waterproof curb 5 is set on the roof. The waterproof membrane 3 is wrapped from the bottom after the leak-stopping agent 1 and wrapped outwards along the hole wall to the top of the waterproof curb 5. The gaps in the groove 4 are filled with asphalt waterproof sealant 2, and the holes are bonded with asphalt waterproof sealant 2. The outside of the waterproof membrane 3 is covered and leveled with cement mortar plaster 6.

[0021] In this embodiment, the groove 4 is formed by cutting the polystyrene extruded board 7 with an electric drill after it is broken apart, with a depth of 180mm and a thickness consistent with the original polystyrene extruded board 7. The surface is then polished to form a rough surface.

[0022] In this embodiment, the sealant 1 has a thickness of 8mm and must completely seal the interface of the polystyrene extruded board 7. The sealant is a high-performance product integrating inorganic properties, waterproofing, moisture resistance, crack resistance, seepage resistance, and leak sealing. It solidifies rapidly and has a density higher than concrete, exhibiting slight expansion. This implementation uses Oriental Yuhong's ultra-fast setting sealant.

[0023] In this embodiment, the reverse-wrapped waterproof membrane 3 is an SBS modified bitumen waterproof membrane with a thickness of 4mm, a tensile strength of ≥800N / 50mm, and an elongation of ≥40%. It is reverse-wrapped from the groove along the hole wall to the top of the waterproof retaining wall, and overlaps with the original waterproof membrane by 150mm.

[0024] In this embodiment, the waterproof retaining wall 5 is constructed of cement mortar, extending 100mm above the finished roof surface. Its bottom is connected to the roof via reinforcing bars, and the internal and external corners have an arc-shaped slope to guide rainwater. Specifically, the reinforcing bars are φ8mm, evenly distributed along the perimeter of the waterproof retaining wall, with a bottom depth of 100mm, extending 50mm beyond the roof surface, and at least two bars on each side. The corners are reinforced to ensure overall integrity.

[0025] Specific implementation process: 1) Make openings in the roof according to the dimensions of the new pipes.

[0026] 2) Use an electric drill to break the original polystyrene extruded board 7, and use a hot knife to cut and clean it neatly to form a groove 4, and grind it to form a rough contact interface; 3) Apply sealant 1 to the contact surface of the polystyrene extruded board 7 to seal the entire interface; 4) Roof reinforcement and waterproof retaining wall 5; 4) Install the reverse-wrapped waterproof membrane 3, use asphalt waterproof sealant 2 to adhere it from the bottom of the groove 4 to the top of the waterproof reverse retaining wall 5, and use asphalt waterproof sealant 2 to fill the gaps in the groove 4; 5) Apply cement mortar to the outside of the reverse-wrapped waterproof membrane 3 to level and protect it.

[0027] Through the above implementation method, the structure can complete the layout of the waterproof structure without increasing the opening area. It combines rigidity and flexibility, is easy to construct, and meets the needs of adding waterproof structures with openings on the roof.

[0028] Although the preferred embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims, and all of these are within the scope of protection of the present invention.

Claims

1. A newly added perforated waterproof structure for a stamped roof, wherein the original roof structure, from top to bottom, includes stamped texture, fine aggregate concrete, extruded polystyrene board, original waterproof coating and membrane, cement mortar leveling, lightweight aggregate concrete slope, and cast-in-place reinforced concrete, wherein the newly added holes directly penetrate the roof, characterized in that: A groove is made in the polystyrene extruded board, and the polystyrene extruded board is sealed with a leak-stopping agent in the groove. A waterproof curb is set on the roof. The waterproof membrane is wrapped from the bottom outward after the leak-stopping agent is sealed, along the hole wall to the top of the waterproof curb. The gaps in the groove are filled with asphalt waterproof sealant, and the holes are glued together with asphalt waterproof sealant. The outside of the waterproof membrane is covered and leveled with cement mortar.

2. The newly added waterproof structure for a stamped roof with openings according to claim 1, characterized in that: The groove is formed by cutting the polystyrene extruded board with an electric drill and then with an electric hot knife. The depth is 180±3mm, the thickness is the same as the original polystyrene extruded board, and the surface is polished to form a rough surface.

3. A newly added waterproof structure for a stamped roof with openings according to claim 1 or 2, characterized in that: The sealing agent has a sealing thickness of 8±1mm and must completely seal the interface of the polystyrene extruded board.

4. A waterproof structure with added openings in a stamped roof according to claim 1 or 2, characterized in that: The reverse-wrapped waterproof membrane is an SBS modified bitumen waterproof membrane with a thickness of 4mm, a tensile strength of ≥800N / 50mm, and an elongation of ≥40%. It is reverse-wrapped from the groove along the hole wall to the top of the waterproof retaining wall, and overlaps with the original waterproof membrane by 150±3mm.

5. A newly added waterproof structure for a stamped roof with openings according to claim 1 or 2, characterized in that: The waterproof retaining wall is constructed of cement mortar, protruding 100mm above the finished roof surface. Its bottom is connected to the roof by reinforcing bars, and its internal and external corners have an arc-shaped slope to guide rainwater.

6. The newly added waterproof structure for a stamped roof with openings according to claim 5, characterized in that: The reinforcing bars are φ8mm and are evenly distributed along the perimeter of the waterproof retaining wall. The bottom reinforcement depth is 100mm, and the bars extend 50mm beyond the roof surface. There are at least two bars on each side, and the corners are reinforced.

Images