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Roof waterproofing leaks material and construction method
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JS composite waterproofing coating is also called polymer cement based waterproofing coating, the Ministry of Construction, the Ministry of Science and Technology and other six ministries strongly recommended by the new green environmental protection waterproofing materials. JS composite waterproof coating is a two component, waterborne waterproof coating made of polymer acrylate polymer emulsion and inorganic powder mixed with cement. JS composite waterproofing coating has the advantages of high elasticity of polymer materials and good durability of inorganic materials. It can form waterproofing film with high elasticity and high strength after brushing. It has excellent water resistance, weatherability and durability. It is non-toxic, tasteless and non-polluting, and can be applied on wet base surface, and can be used with base surface, cement mortar and other materials. The material is firmly bonded, and the construction is not running on the facade, the inclined plane and the top surface; the high temperature resistance can reach 100 degrees Celsius. JS composite waterproof coating can be used in all kinds of new and old buildings and structures waterproof engineering, easy to operate, simple construction, and can be prepared according to the needs of color coating.
Construction method:
1. The base surface must be smooth, solid, clean, no clear water, uneven place must be leveled first, Yin and Yang angle should be made into arc angle.
2, according to the prescribed proportion of material, if need to add water, first added to the liquid material, stirring with the mixer side to add. Stir well until the material does not contain pellets. The upper coating can be added with pigment to form a color waterproof layer. Within the prescribed scope of water addition, the construction of inclined plane, top plane or elevation should be added more or less. The dosage is 3 to 4kg per square meter and the construction thickness is 1.5 to 2mm.
3. Choose the appropriate tools (rollers, brushes, scrapers, etc.), according to the corresponding construction method, according to the bottom layer lower layer middle layer upper layer of the order to complete layer by layer.
4, mortar protection layer or decorative layer construction must be completed in 2 days after completion of waterproof layer. When plastering mortar, in order to facilitate construction, should be the waterproof layer after the last brush, immediately sprinkled with clean medium coarse sand. If liquid material is used: powder =10:20-30 is putty, it can also be used as bonding and sealing material.
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