High-Strength Semi-Rigid Waffled HDPE Retention & Drainage Panel (40 mm)
Terra-DRAIN™ P-40 (Panel) is a 1.6” (40 mm) thick, semi-rigid, waffled HDPE sheet designed to retain water within pockets on the top side for vegetation while channeling surplus water through its bottom-sided canal system for secure drainage. It has drill holes to drainage channels for diffusion and irrigation.
Terra-DRAIN™ P-40 (Panel) is a 1.6” (40 mm) thick, semi-rigid, waffled HDPE sheet designed to retain water within pockets on the top side for vegetation while channeling surplus water through its bottom-sided canal system for secure drainage. It has drill holes to drainage channels for diffusion and irrigation.
Terra-DRAIN™ P-40 allows for the incorporation of a complete array of zone-appropriate perennials and ornamental grasses in a 6” – 12” depth assembly.
FEATURES:
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Is a semi-rigid waffled plastic sheet that retains water within pockets on the upper side, making water available to vegetation.
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Has drill holes to drainage channels for diffusion and irrigation.
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Channels surplus water through its bottom-sided canal system for secure drainage.
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Allows for the incorporation of a complete array of zone appropriate perennials and ornamental grasses; in a 6″ to 12″ depth assembly.
USES:
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Semi-intensive green and vegetative roofs with zone-appropriate perennial and ornamental grasses
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Extensive green roofs with increased layer structure (nature roof up to 250 mm)
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Simple intensive green roofs with low layer structure (garden roof up to 300 mm)
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Protected membrane roofs • Inverted roof membrane applications
(IRMA)
INSTALLATION:
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Overlap boards by one cup
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Cover boards with overburden immediately to protect from UV rays & wind uplift