Where greater protection is required against water and air ingress, FrameTX® Maxi is an excellent choice in breather membrane. FrameTX® Maxi is a multi-layer, vapour permeable, air barrier, high performance breather membrane, for use in timber & steel frame constructions. It is specifically designed to allow the transfer of moisture through the membrane, thereby reducing the risk of condensation in the wall structure. When FrameTX® Maxi is effectively installed it will act as an air barrier. FrameTX® Maxi is also Agrement certified by BBA in the UK for use in in warm non-ventilated and cold ventilated pitched roof systems.