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Steel structure roof waterproof structure defects and countermeasures
2020-07-10
Foreword: For a long time, due to some factors of its own structure, color steel roof leakage is a common phenomenon. In addition, the high thermal conductivity and expansion coefficient of the steel roof make the temperature difference of the color steel plate on the roof in winter and summer very large. The gap between various joints and lap joints is not a normal state. Therefore, the waterproofing of steel roofs has not been well solved. The following is an analysis of the common structural defects and hidden dangers of steel roofs and the corresponding waterproof schemes.
Another blockbuster news in the domestic construction waterproofing industry
2020-07-10
Soon, from the 65th International Roofing Federation (IFD) General Assembly being held. Here comes the news: Beijing, China won the right to host the 2020 IFD Conference and the 28th IFD World Youth Roofers Championship. Winning the right to host the IFD competition, which is known as the "Olympic event" in the global roofing and waterproofing industry, the building waterproofing industry is very excited.
Waterproof repair is a technical task, the "leather bag craft" must not
2020-07-10
According to statistics from relevant departments in my country, among the complaints about commercial housing development and property management, the leakage of roofs, basements, toilets, and external walls has always been a hot spot for complaints, and its complaint rate accounts for more than 65% of the total complaints. Poor construction waterproofing not only affects the overall quality of the project, but also causes unnecessary losses to the country and residents. What are the causes of water leakage? What should I do if I encounter water leakage?
The difference between flexible waterproof and rigid waterproof
2020-07-10
Waterproof coating is currently the most important form of outdoor waterproofing. Elastic acrylic copolymer cement-based modified waterproof coating has strong permeability and sufficient adhesion. It can form an overall seamless system and can form various shapes according to surface conditions. The construction of wet base can perfectly solve the waterproof problem of the entire roof including the edge of the fence, the pipes extending out of the roof, and the roof. It is a master of structural concrete and lightweight concrete roofing and basement waterproofing.
AQSIQ: About the 2017 national construction waterproof product quality inspection report
2020-07-10
At the 2017 National Conference on Quality Improvement of Building Waterproof Products held on December 7, the Product Quality Supervision Department of the General Administration of Quality Supervision, Inspection and Quarantine notified the results of the 2017 national supervision and random inspection of building waterproofing membranes, waterproof coatings and building sealant products. The results showed that 13 batches of construction waterproofing membrane, 2 batches of waterproof coating, and 3 batches of construction sealant did not meet the standard requirements. The unqualified enterprises involved 18 companies such as Gucheng Hongyuan Waterproof Material Co., Ltd., Shanghai Huafei Waterproof Material Co., Ltd., and Weifang Xindongyuan Glue Co., Ltd.
