Frank Keys range of breathable membrane is made with spun-bonded polypropylene with high moisture vapour permeability and durable hard-wearing qualities. This type of underlay is suitable for both cold and warm roof applications making it a versatile product.
Vent 3® Classic is a breathable roof underlay that gives major benefits over traditional underlays.The Cromar breather felt is made from two, high-tensile, spun-bonded polypropylene layers. This triple layer, high performance, breathable membrane is thermally calendared to a micro-porous polypropyle..
BreatherQuilt is a flexible, easy to install, breathable high performance insulation designed to replace standard breather membranes while also giving a high level of thermal performance.Features: 2 in 1 insulating breather membraneWaterproof and breathableMaintains thermal performance and product i..