Breathable Waterproof Roof Underlay membrane
(PP-PP,S-PP,S-S)
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.
Description | Specification | Width | Length | Thickness | |
Roof underlay | 500g/m2PP—PP | 1000mm | 30m | 0.8mm | |
600g/m2S—PP | 1000mm | 25m | 1.0mm | ||
1500g/m2S—S | 1000mm | 20m | 1.3mm | ||
Roof underlay with adhesive band | 500g/m2PP—PP | 1000mm | 30m | 0.8mm | |
600g/m2S—PP | 1000mm | 25m | 1.0mm | ||
1500g/m2S—S | 1000mm | 20m | 1.3mm | ||
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
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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 formation
Excellent tensile strength and elongation.
· large Surface friction, grass-roots closely.
no smell,no taste,accord with environmental protection requirements.
