SwiftDrain 805 is a high-performance, three-layer drainage composite engineered for efficient vertical water management. It combines a dimpled drainage core with a gray, heat-bonded polypropylene (PP) geotextile and a fully adhered white PP geotextile backing to ensure rapid flow and a smooth substrate for liquid-applied waterproofing membranes. The result is superior drainage performance and an ideal surface for seamless membrane adhesion.