... changed SBS waterproof material, and for waterproof in the underground, building roofing, ... combination material.Function: It is used for making changed SBS waterproof material, and for waterproof in the underground, building ... cloth of using SBS waterproof material, it is tension of warp and weft is more than 600N. ... base110g/sqmcompound base120g/sqm Compound base for waterproofing membrane