Waterproof Backing Board-a

Product overview: Waterproof Backing Board is composed of XPS + doublesided highstrength fiberglass mesh + polymer cement mortar coating composite;XPS (Extruded Polystyrene) Characteristics: Closed-cell honeycomb structure features impermeability to water and air, non-degradability, and lightweight properties, delivering waterproofing, mold resistance, thermal insulation, soundproofing, and moisture barrier benefits; High-strength fiberglass mesh + proprietary polymer cement mortar: High flatness, high strength, high compressive resistance, high adhesion, and easy integration with other materials (concrete walls, floors, interior/exterior wall finishes, tiles, marble, stone slabs, , etc.).