About This Ames Blue Max is a strong and highly adhesive elastomeric liquid rubber waterproofer. This durable blue coating has 1200% elongation that resists cracking and peeling. Blue Max is ideal for waterproofing above and below-grade basements and foundations, insulated concrete forms, and underlayment. Blue Max Liquid Rubber Waterproofer can be used as a primer on most types of roofs including metal roofs and RV roofs. Use on concrete, wood, metal & more. Brush, roll or spray on vertical or horizontal surfaces. Blue Max is an elastomeric membrane that expands & contracts 1200% with surface to resist cracking & peeling. Blue Max is a special blend of adhesive, high strength elastomeric liquid rubber for waterproofing concrete, wood, metal and more. Blue Max is non-toxic, eco-friendly, VOC compliant in all 50 states and made in the USA. Ames is Woman Owned and Veteran Founded. 1 Gallon - Blue Ames Blue Max Liquid Rubber Waterproofer is packaged in a 1 gallon pail. Overview Material : Rubber Brand : AMES Style : Protective Item Weight : 9.5 Pounds Item dimensions L x W x H : 9 x 9 x 10 inches