When using waterproof coatings, be sure to follow the instructions carefully and do not modify them at will. If you add other materials by yourself, the proportion will be uncoordinated. For example, if too much water is added, the separation of liquid material and powder will occur, the powder will sink, and finally the paint will become bean curd residue, completely losing the waterproof effect.
5. During the painting processing, it should be layered and painted to avoid the phenomenon that the coating and the base layer are not bonded or foamed.
Before brushing the paint, we must check whether the strength of the base layer is qualified, do it, do not sand, do not peel, do not loose, the base layer must be cleaned.