plastic drainage sheet
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Plastic Drainage Sheet Mat Drainage Reservoir Board for Roof Garden
The Dimpled Drainage Board Feature is convenient construction, easy maintenance and economy,strong resistance to load and durability,good ventilated and moistureproof performance,Anti-rrot puncture ,resistance to acid and alkali. The water can be partially stored and the remaining water can be drained quickly by Drainage Board Sheet. Plastic Drainage Board Sheet provides sufficient moisture and oxygen for plant production and it is Light weight, the roof heat insulation function strong. The Drainage Board can reduce the decibel and noise
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