made of deep-drawn RC polyolefin (mainly PE), height 25 mm, bitumen-resistant, with water storage troughs, diffusion openings and channel system on the underside, compressive strength approx. 250 kN/m², filling volume approx. 10 l/m², surface mass approx. 1.7 kg/m², water drainage capacity tested according to DIN EN ISO 12958: at 1% gradient - approx. 0.59 l/s*m, at 2% gradient - approx. 0.85 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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