Take you to the introduction of drainage board backfill

1. If backfill is a kind of nutrient soil or light soil, there is no need to lay a layer of yellow sand

2. When the drainage board is laid, the side and the side right lap the next 1-2 points, and the two bottom plates can also be touched together, and the drainage board lap is used above, as long as there is no soil into the drainage channel of the drainage board, it can keep the drainage smooth.

3. When the drainage board is laid, protective measures should be taken as far as possible. The drainage board at the level or outside the garage should be backfilled as soon as possible to prevent the wind from affecting the laying quality of the drainage board.

4. The backfill soil should be spread 3-5 cm yellow sand on the drainage board. It is ideal for the drainage board to filter water.

5 basement and internal wall waterproof to do a good protective layer as soon as possible, to prevent the drainage board is damaged by people or things.

Construction introduction of drainage board manufacturer:

1. Lap joints: lap joints are not strong, there is the effect of warping

2. Coil closing: pay attention to the coil closing fixed, it is necessary to ensure that the upper layer of non-woven cloth fully cover the drainage board, to avoid soil into the drainage board convex space, blocking drainage.

3. Drainage plate flange due to its own data characteristics and excellent welding technology, can play an auxiliary effect.