NEW: ventilated roof underlay membrane by BWK Dachzubehör

Highly breathable roof underlay comprising polyester nonwoven with special multi-layer coating. Due to its outstanding heat resistance and sealing performance when nailed through, also suitable as slating underlay and for construction of rainproof roof underlayment (Class 2 - ZVDH). For direct laying on timber boarding or thermal insulation.

This underlay caps it all compared to our DIFFLEX THERMO ND: It convinces with a higher tensile strength as well as a higher water column and an anti-slip coating. This is accomplished through the high-quality PES nonwoven with its special coating.