Seals anything that goes through the roof Clear sealant Excellent adhesion to rooftop materials Elastic and waterproof Will not become brittle in cold or sun Paintable 10.5 oz Through the Roof! is the clear, ultra-elastic sealant made to permanently stop and prevent roof leaks. It effectively seals around a variety of roof fixtures without the messy look of asphalt. won't dry hard and crack like traditional asphalt repair products, and lasts 20 times longer! It expands and contracts with temperature changes, leaving you with a repair that sticks but won't stick out. Conforms to ASTM C794.