Premium Waterproof Thin Tile Sound Insulation Backing Board
High-density PVC core ensures superior moisture resistance, ideal for wet environments like bathrooms and kitchens. Precision-engineered 3mm thickness provides seamless installation under tiles while enhancing soundproofing for floors and walls. Reinforced fiberglass mesh backing prevents cracking, offering long-term durability in high-traffic commercial or residential spaces. Fire-retardant and mold-resistant coating meets EU safety standards, perfect for spas, basements, and laundry rooms. Ultra-lightweight design cuts labor costs by 30%—bulk orders ship globally at unbeatable wholesale rates.