Polyurethane waterproof coating how to use, polyurethane waterproof coating what are the methods of use?
Clean the grass: with the shovel sticking on the leveling layer the gray skin removed, with a broom to clean the dust, especially the root canal, drain and drain and other parts should be carefully cleaned. In case of oil pollution, apply wire brush and sand paper to brush off, or paint with an adhesive paint on the surface of the grease. The surface must be smooth, and the concave place shall be made of 1: 3 cement mortar.
Polyurethane waterproof coating construction process: 1., cleaning the base, 2. brushing glue, 3. details additional layer, 4., the first coating, 5., second coating, 6., third coating and clay slag.
Brushing the bottom glue: a polyurethane, B, two components and xylene according to 1 to 1.5: 2 ratio (weight ratio) with mixing evenly, you can use. With a rolling brush or paint brush dipped in the bottom of the glue evenly coated at the base surface, not too thin, not too thick, brushing quantity of about 0.2kg/m is appropriate. Brushing should be more than 4h after drying, in order to carry out the next operation.
