Garage roof drainage board and roof green drainage board construction

Concave-convex drainage board is a kind of building material widely used at present, which is favored by the majority of social groups because of its good drainage performance. You may have used concave and convex drainage board before, but you really understand it, so today we will go into depth to understand the concave and convex drainage board.

Concave-convex drainage board in building construction, can be used in different parts, and according to the use of different parts, also obtained a variety of names. For example, the concave and convex drainage board used in the underground garage roof is also called garage drainage board or garage roof drainage board; The drainage board used in the sky garden is also called roof green drainage board, planting roof drainage board or roof garden drainage board; The drainage board used in the basement is often called the basement drainage board.

The concave-convex drainage board construction method of the three parts is slightly different.

Garage roof drainage board and roof greening drainage board construction

When the drainage board is used on these two construction sites, it needs to be raised upwards, and then the plastic mesh and polyester non-woven fabric are laid on the top of the drainage board, and then the soil is backfilled. After the water in the soil is filtered by the polyester non-woven fabric, it can flow freely in the drainage channel reserved by the drainage board, so as to play a drainage effect. HDPE material determines that the drainage board also has a certain auxiliary waterproof and auxiliary anti-root puncture function.

Two, underground drainage board layer

The function of underground drainage board layer is different from that of garage roof drainage board and roof greening drainage board. The drainage board in the basement is mainly to prevent groundwater from penetrating up, resulting in indoor water. When construction, be sure to pay attention to the convex down, and then pour concrete on top.