Water-retaining and drainage layer in soil-covered flat garden roofs, in addition the mechanical protection of the water-proofing in green roof structures. The sheets (laid with dimples downwards and perforated sheet upwards) prevent the fast dehydration of the vegetation, while excess water is drained away through the perforation and the waterproofing.
Terraplast Plus S20P – Dimpled membrane for flat-roof gardens
Additional information
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