Zhejiang Nelumbo New Materials Technology

3 layer highly breathable, fully waterproof, constructed from high tensile spun-bonded polypropylene layers, around micro porous polypropylene filmOuter layer forms functional waterproof surfaceMiddle layer breathable waterproof membraneInner layer protects from abrasion and damage, also giving additional strengthEnables fabric to allow moisture vapor to pass through, whilst remaining fully waterproofBreathable roofing underlay for use under tiles and sheeted roofs, over open rafters or on to fully boarded substratesConstructed from high tensile spun-bonded polypropylene layersHigher levels of water-resistantFull moisture vapor permeabilityBreathable underlay for tiled and slated pitched roofsEco-friendly to be completely recyclableUse: breathable roofing underlay positioned immediately above insulation layer in warm pitched roof or in cold pitched roof (ventilated or unventilated)Suitable for timber frame wall construction