Black Jack 3.6 qt Ultra-Roof 1000 is a 10-year white siliconized elastomeric roof coating, featuring an advanced waterproofing formula. This professional-grade product helps reduce cooling costs and expands and contracts up to 350%. It is a top-quality, highly flexible white acrylic roof coating enhanced with silicone for increased water resistance, adhesion, and durability. It resists cracking and peeling while providing a highly effective barrier against the sun's heat and UV rays, helping to cool surfaces and reduce interior temperatures.