During the home improvement process, especially waterproofing works are especially important in hidden projects. Some self-contained companies subcontracted waterproofing projects at a low price. These waterproofing companies used non-GB price waterproof materials with a price of RMB 80 per barrel. In addition, they used waterproof materials instead of waterproof materials. Is this material waterproof?
'Look', 'smell', 'touch', choose 3 steps for good materials
'Look': to see if the manufacturer is registered and filed with the Construction Committee, industry and commerce departments, whether it has obtained a safety production permit and a pollutant discharge permit; look at the price; do not purchase unqualified products for low prices; see colors, 911 one-component polyurethanes Waterproof coating is black, JS cement-based waterproof coating is milky white, and not easy to flow;
'Smell': Good material has a natural aroma, while Y material has a more stimulating odor;
'Touching': After painting and drying, the expression is smooth, and it should be glossy. The thickness should be 1.5mm.
Waterproof project to do this?
First of all, the surface of the grass-roots level should be flat and there must be no defects such as looseness, emptying, sanding, cracking, etc. Secondly, the floor drain, casing, sanitary ware roots, yin and yang corners, etc., should be made waterproof additional layer. Again, the waterproof layer should extend from the ground to the wall, 100mm above the floor; the waterproof layer of the bathroom wall should not be less than 1800mm. The waterproofing project should be conducted two water storage tests, at least 24 hours in summer and at least 48 hours in winter. Consumers must pay attention to on-site acceptance.