It is waterproofing ,vapour-permeable rofing membrane,and heat insulation material,which is widely used in construction,house warp,roofing,wall and flooring underlayment,breathable roofing membraneAt present,we have following productws : PP Nonwoven +low breathable PE film+PP Nonwoven PP Nonwoven +high breathable PE film+PP Nonwoven PP Nonwoven +high breathable PE film+PP Nonwoven(PVC point bonded on upper surface) It has following advantages: 1/,Excellent performace breather membrane 2/,Consturcted from high tensile spun-bonded polyproplylene layers 3/,Highest leves of water resistance 4/,Full moisture vapour permeablity 5/,Breathable underlay for tiled and slated pitched roofs 6/,Eco-friendly and completely recycled 7/,UV-resistant. by PE film