Premium Waterproof Insulation Extruded Backing Board – 4000466570
High-density extruded polystyrene (XPS) core for superior moisture resistance and thermal insulation. Ideal for walls, floors, and partitions in high-humidity areas like bathrooms, basements, and kitchens. Precision-cut edges ensure seamless installation with minimal gaps. Lightweight yet durable, supports heavy wall finishes like tiles or stone without sagging. Fire-retardant treated for enhanced safety in residential and commercial projects. Eco-friendly, zero formaldehyde, safe for indoor air quality. Bulk orders available at unbeatable wholesale rates. Global shipping, factory-direct pricing. Upgrade your space with professional-grade materials.