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
EN12310; EN12311; EN1849; ASTM D-97
Resistance to tearing; >
0.2MP 24 hours
-40°c 24hours no cracks or fractures
with adhesive tape on the overlap for the sealing of junction,convention for application.
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 formation Excellent tensile strength and elongation.
large Surface friction, grass-roots closely. no smell,no taste,accord with environmental protection requirements.