Walkable roofs | inverted roof

Pavement ≥ 40 mm: concrete tiles Laying course 30 – 50 mm: crusher sand or grid 1/3 – 2/5 ND 200sv Drainage System; filter layer, drainage layer, protective layer glued into one product. Thermal insulation The suitability of the thermal insulation must be demonstrated by the insulation supplier. ND TGF-20 Separation and Slip Film ND […]