ISO-DRAIN nature 20 PG

The challenge: flat green roofs and roof gardens – ISO-DRAIN nature 20 PG meets the challenge head-on with 20 mm high dimples and 3 mm drainage apertures along with premium-grade geotextile lamination on its upper surface. The sheet combines three essential components in a single product: upper filter mat, ample water storage volume and a high-performance drainage layer. ISO-DRAIN nature 20 PG is an ideal base sheet for extensive green roofs, i.e. those designed to do without regular maintenance.  

Technical Data ISO-DRAIN nature 20 PG
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