Supply roof plastic drainage board

Supply of plastic drainage board roof [roof] plastic drainage board features a plastic roof drainage board http://www.ntdadi.net/products/show/pid/149.html roof drainage board is made of polyethylene plastic (PE) injection molding, coupled with a layer of geotextile fabric surface to form a composite drainage board. It is a square box, a square of the nine squares. Its high compressive strength, large displacement. For large plaza, the golf course. Plastic roof drainage board construction process a, according to the slot play set markers set up to fight Positioning b, install pipe boots c, immersion tube d, power play set to the design elevation e, lifting the sleeve f, cut plastic drain g, check and record the slot and so set up to fight the case h, move to the next play, setting up board position other options: plastic drainage board Drainage Board http://www.ntdadi.net/products/show/pid/148.html http : //www.ntdadi.net/products/show/pid/154.html