Description Use On Problem Roofs & Pond Water Situations. Expands And Contracts With Your Roof. Improves Topcoat Adhesion. Use As A Base To Convert Black Asphalt To White. Prevents Leaks. Improves Resistance To Standing Water. Must Be Topcoated. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Kool Seal Heavy Duty Roof Primer and Undercoat - 5 Gallon - Light Blue
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