Is it illegal to waterproof the roof in Shenzhen?

Definitely not illegal construction. Roof waterproofing knowledge: building a waterproof layer on the roof is not an addition.

Ouqi 9 1 1 polyurethane waterproof coating is composed of polyurethane prepolymer A and curing agent B, which is formed by a series of chemical reactions such as polyether and isocyanate. When in use, the component A and the component B are evenly mixed according to a certain proportion, and after brushing and curing, an elastic integral waterproof glue film is formed.

Product features:

1. easy to coat, room temperature curing, short surface drying time;

2. Strong adhesion, high elongation and high tensile strength;

3. It can be constructed on irregular and complicated base surface, with good integrity and waterproof reliability;

4. Cold and heat resistance, aging resistance and convenient construction;

5. It has certain corrosion resistance.