Premium Insulation Waterproof Backing Board for Interior & Exterior Walls
High-density foam core with reinforced fiberglass mesh ensures superior durability and crack resistance. Advanced waterproof coating prevents moisture penetration, ideal for humid climates and basements. Precision-cut edges for seamless installation, reducing labor time. Lightweight yet sturdy design simplifies handling without compromising structural integrity. Perfect for residential and commercial projects—soundproofing media rooms, insulating garages, or upgrading exterior facades. Fire-retardant material meets international safety standards. Buy in bulk for unbeatable wholesale pricing—your go-to solution for cost-effective, high-performance insulation.