Polypropylene rainwater retention mat CAPTIO®

panelfor flat roof

Provides temporary water retention for waterproofed flat roofs to minimise over-saturation of the mains stormwater drainage system. Also suitable for levelling flat roofs using a lightweight fill. Provides gravel ballasting of inverted insulation. CAPTIO is certificated compliant by a technical inspection agency. A ready-to-use product: pre-assembled modules. Large contact area to limit the risk of piercing the waterproof roofing membrane. Tiles are perforated to promote water and air flow between cells. A wide range of thicknesses to meet all technical requirements. High compressive strength: 30 tonnes per m2. 95% void. Reversible and easy to cut. In lowland climates (less than 900-metres altitude) on a structural masonry base with a gradient of no more than 5%. Inaccessible or technical flat roof terraces. Green and garden flat roof terraces. Flat roof terraces with pedestrian access. Flat roof terraces with car access.