Shanghai joy building materials Co., Ltd.
Specifications：2.0 /2.5 / 3.0/ 4.0 /5.0
1. Convenient construction, easy maintenance and economy.
2, strong resistance and durability.3, to ensure that the excess water quickly discharged.
4, the water storage part of the water can be stored up.
5. It can provide sufficient water and oxygen for plant growth.
6, light weight and roof insulation and heat preservation function is strong.
Uses:For roof greening, underground roof board.Greening and city wideField,
Golf course and transportationMoving field, sewage treatment plant, public buildingGreen buildingOf,
1 waterproof layer and its protective layer after the completion of construction, began pavingDrainage board. The slope of basic drainage is required to meet 2 per thousand ~5 per thousand
2. will drain cup mouth upward paving, perforationsPhase buckle;
The 3. drainage board is covered with geotextile and geotextileMutual lapping10~20cm,
Cause drainagePoor water storage;
4. lay the 10~20mm on the geotextilecrudesand，
Formation percolationThrough filter layer,Blocking plantingSoil loss;
5. cover suitable thickness planting soil.
answerNot allowed directly on the drain boardPush cart, etc,
Transport materialsLay it upBoardMa. Paving with filling.