The breathable membrane is made of PE(100% ) nonwoven. It is similar toTyvek,waterproof, windproof and breathable.It can wrap the wall of the villa. 1.Tensile Strength: Longitudinal(N) 250 Latitudina(N)90 2. Elongation: Longitudina(%) 67 Latitudina(%) 70 3. Hydrostatic head (Kpa) 44.3 4. Water vapor permeability (g/m2.d) 7200 5. Width: 1.5m 1.6m Now we are developing two new types:2.7m 3m 6. Length: 50m 100m 200m 7.Grammage (g/m2) 85