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Water drainage profile for gravel or multilayer roofs with covering vegetation has water-permeable walls in shape of inverted V which form a drainage channel with roof as channel floor
Water drainage profile for gravel or multilayer roofs with covering vegetation has water-permeable walls in shape of inverted V which form a drainage channel with roof as channel floor
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机译:具有覆盖植被的砾石或多层屋顶的排水剖面具有倒V形的透水壁,形成了以屋顶为通道底的排水通道
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摘要
Water drainage profile (1) for water-impermeable surfaces (2) has water-permeable walls (3) in the shape of an inverted V which form a drainage channel with the surface as floor.
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