Flag-Soprema Optigreen – offering true green roof diversity

Flag-Soprema’s 100-page technical brochure for its Optigreen green roof systems contains extensive information ranging from preliminary roof inspection and structural assessment to choice of planting, installation and aftercare. It explains how membranes should be used to provide substrate and root barrier protection and examines factors affecting irrigation, drainage, wind uplift and erosion for nine green roof solutions. Advice is given on roof usage, environmental conditions and how to provide a balanced planting medium for plant lists ranging from sedums to shrubs and trees.

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