How to waterproof the roof water ring

Generally, cement mortar, fine stone concrete or asphalt mortar is used as the integral leveling layer of the roof.

The roof is the envelope and load-bearing structure of the top floor of the house, and one of its main functions is to "shelter from the wind and rain".

The roof varies according to the drainage slope. Generally, the slope of flat roof is below 10%, the most commonly used slope is 2~3%, and the slope of sloping roof is above 10%.

Traditionally, buildings in China adopt sloping roofs, including two-sided slopes and four-sided slopes. This kind of roof has large slope, good flexibility, rapid drainage and good waterproof effect.