About This Superior Bonding and Sealing: Xmntdo polyurethane waterproof coating forms a strong, lasting bond with various surfaces—such as metal, wood, and concrete—effectively penetrating cracks and seams to create a seamless waterproof barrier that blocks air and moisture. Suitable for both indoor and outdoor applications Waterproof Sealant Effective Coverage: Each 1-gallon (3.78 L) container covers approximately 30 sq ft (2.8 sq m), depending on surface texture and application thickness Safe & Easy Application: Featuring a waterborne, polyurethane emulsion formula that is safe for people and pets. Apply effortlessly using a brush, roller, or pour method. Once dried, it forms a fully waterproof layer—making projects simple Wide Range of Applications: Ideal for numerous waterproofing tasks, including flat and sloped roofs, metal roofing, wood structures, concrete basements, planter boxes, RV roofs, and more. Offers complete protection across diverse surfaces Waterproof Coating Sealant Application Suggestion: Low temperatures can lead to a long curing time for waterproof glue sealant clear, and it is recommended to use above 10℃/ 50℉ (including overnight temperatures), full curing requires 48-72 hours (depending on the thickness of the coating and environmental conditions); After construction, ensure proper ventilation and avoid contact with water or other liquids until the coating is fully dry Overview Material : Polyurethane Brand : Xmntdo Style : 5 Gallon Item dimensions L x W x H : 1 x 1 x 1 inches Water Resistance Level : Waterproof