Products / GacoPoly U66

GacoPoly U66 (GacoFlex U66 on its data sheet) is a two-component, fire-retardant polyurethane elastomeric waterproofing coating for roofs, mechanical room floors and walking and traffic decks, over concrete, plywood, sprayed-in-place polyurethane foam and metal. Its product data sheet lists the colors Oyster, Pewter, Shale and Adobe and reports 2600 psi tensile strength and 300 percent elongation under ASTM D412 with 90 Shore A hardness. The UL roofing-systems listing the maker publishes (TGFU.R5663) names U-66 Series in Class A and Class B fluid-applied roof coating assemblies, the class depending on deck and incline. An SCAQMD-compliant version is sold as GacoPoly U66C under its own data sheet.