It is a medicine to prevent water from entering the concrete, and it is also used as a general waterproofing agent. The waterproofing agent is largely composed of coating waterproofing agent, infiltration water repellent agent, injection, grouting, and the like.

The waterproofing agent is applied to the rooftop of the roof to form a coating film. The infiltration water repellent agent is applied to the outer wall of the building such as red brick, tile concrete, and penetrates into the interior of the building. Injection of special treatment chemicals into the inner wall surface and the ceiling of the ceiling makes it possible to fill the gaps and immerse the water.