Oldroyd Xv 20 GreenXtra is a perforated green polypropylene membrane with 20 mm stud, designed to provide a drainage layer for flat green roof applications.
The product is supplied in 2 m × 1.5 m sheets and is loose-laid on top of the waterproofing or root barrier layer. Oldroyd Tp Filter Fleece is then laid on top before the required soil mix and plantings are applied to form a green roof.
Oldroyd Xv 20 GreenXtra is manufactured using Oldroyd’s novel multi-layer technology. This allows a high proportion of recycled plastic to be incorporated without compromising on product quality. It is much lighter than comparable aggregate-based drainage layers for green roofs.
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