compound base mat for sbs/sbs modified bitumen waterproof membrane
SBS (styrene-butadiene-styrene) modified bituminous membrane is made by saturating the base(polyester felt, glass fiber felt, glass fiber reinforced polyester felt) in SBS modified bitumen, finishing the upper surface with sands, mineral granules or PE film, aluminum film.
1. Type: divided as material's feature: Ⅰ(-20℃)、Ⅱ(-25℃)
2. Thickness: 3mm,4mm,5mm or customized
3. Length: 7.5m, 10m.