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European Technical Approval - ETA

European Technical Approval "kits for green roofs" Optigreen System Solution Nature Roof as certified complete green roof construction (protection, drainage, filter and vegetation layer). Technical approval by DIBt Berlin.

European Technical Approval "kits for green roofs" Optigreen System Solution Economy Roof as certified complete green roof construction (protection, drainage and vegetation layer). For extensive and single layer intensive greened flat roofs (0 - 5°). Technical approval by DIBt Berlin.

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