Multi construction - Import export

Optigrun Drainage and Storage Board FKD 25 for use on extensive green roofs with single- or multi-layer construction and under path surfaces (can be walked on).On flat roofs up to 5 % roof pitch In a triple-layer structure with filter fleece FIL 105 and extensive multi-layer substrate E Under thin-layer pedestrian pathways in gravel beds without bedding material The large naps can face either downwards or upwards Suitable for non-pitched roofs Suitable for use on inverted roofs With water reservoir

Optigrun Drainage and Storage Board FKD 60BO under intensive roof greening in multi-layer construction and temporarily drivable gravel lawn without gravel base layer filled with Drainage Material Perl 8/16Under intensive roof greening in multi-layer construction filled with Drainage Material Perl 8/16 Under temporarily drivable gravel lawn without gravel base layer filled with Drainage Material Perl 8/16 Unfilled installation under intensive roof greening is possible with a substrate height of up to 400 mm in combination with Optigrün Filter Fleece FIL 300 (it is not possible for vehicles of any kind to drive over the unfilled Optigrün Drainage and Storage Board FKD 60BO) Suitable for non-pitch roofs Rapid draining of excess water Vapour permeable - suitable for inverted roofs Lightweight super structure with high drainage capacity Surrounding edge overlaps Filling without risk of shifting apart Cross and T-joints possible - minimal offcuts