In the renovation process, the need to make water main room is the bathroom, kitchen and balcony. Waterproof main purpose is to prevent the use of their own family in the water, it will affect the neighbors through leakage sealing needle use your downstairs, so when your own roof leaks or seepage home, in your own roof is waterproof to no avail, we must have a waterproof effect in your upstairs neighbor's floor. While living on the first floor of the households do not need to be waterproof, but water can also play a moisture barrier, moisture barrier and other relevant role. General practice is waterproof: the original ground with cement mortar, after drying (refers to not wet), combined with a double polyurethane waterproof coating evenly brush three times or modified asphalt and fiberglass cloth to do two oil-cloth treatment. Required to do the bathroom wall sealing needle 1.2-1.5m high, not less than 0.5m tall kitchen, balcony with exterior wall sill height shall prevail. After drying to do 24 hours off water reservoir closed experiments can be carried out to confirm no leakage after construction ground. Some have just completed the construction of buildings in the ground before it closed off the water if needed to make the building waterproof experimental test has leakage. If the existing floor or wall of the room is destroyed, it must be waterproof and sealed off the water experiments. 2, repair leaking roof coating A, roof leaks reasons: (1) the larger structural deformation grass roof sealing needle plugging, caused by uneven settlement of foundation waterproofing layer cracking (2) insufficient film thickness gel matrix, chemotaxis skin and so on. (3) the nodes Mifengbuyan site has opened Alice phenomenon. Maintenance: (1) use tools to clean up around the cracks and filling cracks. Carcass covered with fiberglass cloth for around cracks, spread evenly with a waterproof coating. (2) increase in film thickness, covering the exposed parts of the carcass, part of the trend to remove the skin, make up a good paint. (3) with a tool to remove the part of Alice, cleanup has slit, Alice parts of the grass surface, and dried. Finally, paint brush carefully sealed tightly. B, bond is not strong reasons: (1) primary surface is not flat, there is peeling, sand phenomenon. (2) grass is wet. Maintenance: (1) on the grass surface is not flat section with waterproof mortar smooth. Part from the sand on the skin with a wire brush to clean the grass surface. After cleaning up grass surface with waterproof paint up well. (2) to be dried grass, and the grass-roots level with a wire brush bristles, increasing grass surface coatings and adhesion, surface treatment after the grass is good, with a good paint fill. C, waterproof layer damaged reasons: a thin coating to protect the poor. Maintenance: increased film thickness, mild damaged parts, increasing the coating covering, paint a good supplement for severely damaged parts, removal of damaged parts of the waterproof layer sealing needle manufacturers, exposing grass surface and clean repaired, the grass-roots face after handling. Water requirements and then make waterproof layer. In the waterproof layer should be increased above the protective layer material, such as (vermiculite, mica, sand, etc.). Beijing Heng Jian Bo waterproof sealing needle [manufacturers], Tianjin sealing needle is provided by Hang Jian Bo Beijing waterproof. Search for "waterproof materials, grouting materials, high pressure grouting machine, home improvement category waterproof coating, JS waterproof coating" reliable supplier network operators choose to have the whole alliance certification: Beijing Beijing Heng Jian Bo Waterproof Materials Co., Ltd. (www.hjbjfs. com /), trustworthiness and reliability, "Business League call" on the page now click on live chat with us now!