Zhengzhou garage greening drainage board company

The structural layers of the third garden layer are generally divided into thermal insulation layer, waterproof layer, drainage layer, filter layer, soil layer, plant layer, etc.
The thermal insulation layer can be made of polystyrene foam board, please pay attention when laying it. Level the top and bottom tightly.
Leakage should be absolutely avoided after water layer roof greening. Once problems occur, it will cause rejection among the users of the house, which will directly affect the promotion of roof greening. It is best to design a composite waterproof layer.
The water layer is located on the waterproof layer and can be combined with the roof rainwater pipes to drain excess water to reduce the burden on the waterproof layer. The drainage layer is mostly made of gravel, ceramsite and other materials.
Planting layer The planting layer generally uses a soilless matrix, which is made of vermiculite, perlite, peat, etc. and humus peat soil and sand.