Plastic Storage And Drainage Board For Building a Green Roof Water Filtration Plate

The storage and drainage plates is a type of Green Roof Systems which are drained by waffled plastic sheets. Water is retained within pockets on the upper sides of the drainage plates; excess water spills over the edges of the plates and is carried off the roof.

Green roof systems of this type are drained by waffled plastic sheets called “drainage plates”. Water is retained within pockets on the upper sides of the drainage plates; excess water spills over the edges of the plates and is carried off the roof. The plastic storage and drainage plates are made from HDPE(high-density polyethylene), using high pressure to inject plastic to form hole-lump-shaped shell, with stereo space and support level; in the top of the shell, covering with non-woven as filtering level for water percolation, water storage and water drainage.

1.Since drainage plates are lightweight and easy to install, they have become the most popular drainage system for green roofs. Drainage plates are recommended for roofs with slopes less than 1:12.

2.A synthetic protection/water-storage fabric weighing 500g/m2 (15 oz/yd2) is applied over the waterproofing or root-barrier membrane. Drainage plates are laid over the fabric with the joints staggered.

3.Three thicknesses of drainage plates are available to meet the drainage and water storage requirements of almost any green roof: 25mm (1” thickness) is standard for thin extensive roofs, 40mm (1.5”) is recommended for enhanced water storage and drainage on thicker extensive roofs and semi-intensive roofs, and 60mm (2.5”) is available for maximum water retention on intensive roofs.

4.A 200g/m2 (6 oz/yd2) separation fabric is applied over the drainage plates and soil is spread over the fabric.

Hongxiang Greening Solution now supply standard size 25mm thickness drainage plates for customers from more than 60 countries, we also provide non-woven fabric and root barrier  with variety thickness for your choice. If you have interests, pls feel free to contact us!

APPLICATION: Since drainage plate is lightweight and easy to install, they have become the most popular drainage system for green roofs. Drainage plates are recommended for various areas:

1. Landscape Engineering: garage, roof garden, football field, golf course and baths.

2. Municipal Engineering: subgrade, subway, tunnel and landfill.

3. Constructional Engineering: building foundation, Basement wall.

4. Traffic Engineering: subgrade of highway, railway and slope.

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Our excellent team would be very happy to work with you and offer suggestions,product applications, and design assistance.

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HongXiang New Geo-Material Co., LTD. is the professional and leading enterprise in the geosynthetics.Formerly known as Shandong HongXiang Chemical Fiber Group Co., LTD., which was established in June 1987.

The equipment of HongXiang New Geo-Material Co., LTD. are mainly imported from Germany, Italy, Canada, France and other well-known domestic enterprises, it has one full set of precise testing instrument, testing equipment and quality inspection team, technology Research & Development team.

HONGXIANG products are widely used in national key engineering fields, such as water conservancy, railway, subway, highway, landfill, anti-seepage, construction industry, mining industry, agriculture, ecological greening system, etc. engineering fields, and exported to United States, Russia, Pakistan, Thailand, Tanzania, Australia, South Africa, Zambia, United Arab Emirates etc. more than 20 countries and regions.