consisting of deep-drawn RC polyolefin (mainly PE), with laminated filter fleece made of polypropylene/polyethylene, connectable via snap-in studs on the long sides, total height approx. 20 mm, max. pressure load approx. 50 kN/m², surface mass approx. 1 kg/m², with diffusion openings, water storage capacity approx. 3 l/m², water drainage capacity tested according to DIN EN ISO 12958: at 1% gradient - approx. 0.36 l/s*m, at 2% gradient - approx. 0.53 l/s*m, with CE marking as part of the "kit for green roofs" according to ETA no. 13/0668, supply and install according to manufacturer's instructions.

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