Clear, ultra-elastic roof repair caulk made to permanently stop and prevent roof leaks It effectively seals around a variety of rooftop fixtures and roofing materials without the messy look of asphalt Won't dry hard and crack, and it expands and contracts with temperatures changes Can be applied to wet surfaces and exposed to rain or snow immediately Won't turn brittle in the sun or cold Elastomeric with powerful adhesion Excellent UV resistance Lasts 2-3 times longer than asphalt Paintable Water & mildew resistant Won't freeze