asphalt waterproof sheet 1 ASTM standard products 2 SBS modified asphalt membrane 3 waterproofing coating

       waterproofing and vapour 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.

Test Standard: EN—12311 EN—1849 EN—1107

Specification: length 30m, width 1m, area 30m2, thickness 0.8mm, mass 700g/m2, tensile 500N/2in

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.

SBS/APP modified bituminous waterproof membrane