Now, a lot of consumers like to decorate a variety of plant breeding in the roof, but the roof for breeding plants is the construction needs to be drained, then, use of the drainage board becomes just right. The role of the roof, drainage board in, but great. Now, let drainage board manufacturers to take you look at it together. Drainage board manufacturers, said to be on the roof to install drainage board green farming system, green roof drainage board in the system, forming a gap between the layers planting soil and building roof, which play a role through the ventilation drainage geotextile in order to provide sufficient nutrients to plants, but also conducive to the growth of plants. Green drainage board drainage systems can not only play the role of better play the role of water. Build drainage board double convex surface of the design, not into the soil can discharge excess water in the rainy season, but also to store rain water for the dry season for the plant to provide adequate moisture. While keeping the building roof perennial water, reducing the hydrostatic pressure of the building, on the other hand to reduce the load of the building, greatly improving the safety of life of the building. Drainage board manufacturers also said, after finishing the laying of the waterproof layer build drainage board geotextile combination and casing. Depending on the thickness of the overburden to plants grown to be. Green roof drain construction must be provided with an efficient gutter or drain hose, smooth discharge of other excess water, so as to better protect the building, and functions as thermal insulation effect. 

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