WJG-500 Protective Siphon Drainage Collection System

The WJG-500 protective siphoning drainage collection system is a multi-functional system developed and produced by Jianguo Weiyue Group, featuring roof and garage roof planting, greening protection, drainage, and rainwater collection for reuse. The system mainly consists of plastic protective drainage boards, non-woven filter layers, siphoning drainage channels, water storage tanks (rainwater storage modules), bonding strips, and breathable inspection wells.

WJG-510 plastic protective drainage board

Plastic protective water boards are mainly made from high-density polyethylene (HDPE) and polypropylene. They are manufactured by extruding plastic sheets of a certain thickness using a plastic extruder, then vacuum forming and roll pressing them in a molten state to create a semi-conical, semi-circular, single or double-directional continuous closed shell-shaped embossed plate product. The three-dimensional space formed by the shell-shaped embossing has a certain supporting stiffness, allowing liquids and gases to flow and drain within the three-dimensional space.
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