Metal rock wool sandwich panel outer wall waterproof sealing structure and its construction method
A technology of waterproof sealing and construction method, which is applied in the direction of building components, building structure, climate change adaptation, etc., and can solve the problems of external wall leakage, rainwater intrusion, moisture ingress, etc.
Active Publication Date: 2017-06-13
CHINA CONSTR EIGHT ENG DIV CORP LTD
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defects of the prior art, provide a metal rock wool sandwich panel outer wall waterproof sealing structure and its construction method, and solve the rainwater intrusion caused by improper splicing gap treatment of the existing metal rock wool sandwich panel outer wall , Moisture enters, which will lead to water leakage on the outer wall and warping deformation due to excessive water content inside the sandwich panel
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[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0036] The invention provides a metal rock wool sandwich panel outer wall waterproof sealing structure and its construction method, which are used to solve the problems of water leakage on the outer wall caused by rainwater and moisture erosion, warping, deformation and corruption inside the sandwich panel due to excessive water content And other issues. The present invention uses silicone weather-resistant sealant to paste flexible waterproof gaskets on the upper opening of the metal rock wool sandwich panel close to the vertical seam, so as to effectively block the intrusion of open water from the vertical seam of the sandwich board, and increase the cost of removing the vertical seam. The second line of defense other than the sealant; by applying polyurethane waterproof coating to the exposed rock wool at the bottom of the sandwich panel, th...
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The invention relates to a waterproof sealing structure of a metal rock wool sandwich board outer wall and a construction method for the waterproof sealing structure. The waterproof sealing structure comprises a waterproof layer, sealant, sealant and a water drainage hole, wherein the waterproof layer is arranged in a transverse seam formed by splicing metal rock wool sandwich boards; the waterproof layer partially covers the back surface of the upper metal rock wool sandwich board and extends to a position, close to the front surface of the upper metal rock wool sandwich board, in the transverse seam to form a downwards inclined water flashing side; the sealant is sealed in the transverse beam; the sealant is filled in a vertical seam formed by splicing the metal rock wool sandwich boards; the water drainage hole is formed in a joint of the transverse seam and the vertical seam; and the water drainage hole communicates with the waterproof layer and outer spaces on the front surfaces of the metal rock wool sandwich boards for guiding out water in the waterproof layer. The waterproof layer is arranged at the transverse seam and a water flashing layer is formed; and when the water drainage hole in the joint of the transverse seam and the vertical seam is invaded by open water, the water is quickly collected to the water drainage hole by virtue of the waterproof layer, and then flows out of the metal rock wool sandwich boards through the water drainage hole.
Description
technical field [0001] The invention relates to the field of building construction, in particular to a waterproof and sealing structure for an outer wall of a metal rock wool sandwich panel and a construction method thereof. Background technique [0002] The prefabricated metal rock wool sandwich panel (sandwich panel) metal exterior wall has the advantages of good integrity, good durability, and fast construction speed. However, in the field of building exterior wall construction, the waterproof and sealing performance of sandwich composite thermal insulation metal exterior wall panels It has become a weak link in construction quality control. Due to the improper handling of such construction gaps, the sealing performance of the sandwich exterior wall panels may be reduced, and there may be water leakage from the sandwich exterior wall panels and internal moisture content of the sandwich panels due to rainwater intrusion, moisture ingress, etc. If it is too large, it will w...
Claims
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IPC IPC(8): E04B1/64E04B1/68E04B1/76E04G21/00
CPCY02A30/244
Inventor 起林春罗亚楠郑洪齐继策吕华肖英杰张建华李守军刘福成李宏亮张金鹏张同隆徐虎
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD