waterproof membrane 1 high temperature,no flow,low climate,flexible 2 Market:Middle East,Europe,America 3 Certificate:ISO9000

waterproof and water vapor permeable membrane

Jianda brand waterproof and vapor permeable membrane is polymer modified asphalt based, with surface of high strength polypropylene fiber. Back side coated with self adhesive glue or antiskid sand. Made by special process. With excellent waterproof performance and breathable properties.

It is used as the underlayment of cement tile, painted pottery watts and asphalt shingle. Also suitable for all kinds of architectural roofing, walls, underground waterproof and damp proof project.

JianDa brand waterproof breathable membrane
Test standard	EN12310; EN12311; EN1849; ASTM D-97
Mass	400g/m2 ----500g/m2
Elongation	300N/5cm----400N/5cm
Tensile	240N/5cm----320N/5cm
Resistance to tearing; >	23%
Water tightness	0.2MP   24 hours
Heat resistance	85°c     24hours
Cold flexibility	-40°c      24hours no cracks or fractures
Dimension	make size according to client requirement

with adhesive tape on the overlap for the sealing of junction,convention for application.Excellent weather resistance, corrosion resistance, anti-aging, antioxidant. Excellent waterproofing performance and encase nail holes.Good permeability, can be in damp base surface construction, make the maintenance structure internal water vapor rapidly eduction, avoid effectively mould and condensing formationExcellent tensile strength and elongation.large Surface friction, grass-roots closely.no smell,no taste,accord with environmental protection requirements.

Jianda brand waterproof and water vapor permeable membrane