... changed SBS waterproof material, and for waterproof in the underground, building roofing, ground and pond ... reinforcement combination material.Function: It is used for making changed SBS waterproof material, and for waterproof in the underground, building roofing , ... /sqmcompound base90g/sqmcompound base100g/sqmcompound base110g/sqmcompound base120g/sqm Compound base for waterproofing membrane