Roofscape® RND 1.0 (Retention & Drainage) is a 1″ thick semi-rigid waffled plastic sheet designed for retention & drainage on extensive vegetated roofs requiring moderate water storage.
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 drought tolerant plantings; in a less than 6” depth assembly.
USES:
Extensive vegetative roofs using a complete array of zone appropriate drought tolerant plantings.
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