Sealant expands, contracts with temperature changes

From: Sashco

Made using a co-polymer rubber formula, Through the Roof! from Sashco is used for sealing around roof implements and anything that goes through the roof, like vents, flashings, gutters, shingles and more. Created with elasticity to expand and contract with temperature change, the sealant is UV resistant, will not yellow and sticks to almost any surface. Offered in a cartridge-grade or brush-grade, the sealant can be applied in any weather, even down to 0 F and up to 120 F; goes on clear; and is paintable.