Great Stuff 99108862 Insulating Foam Sealant, Yellow, 12 oz

Great Stuff PRO™ window and door polyurethane foam sealant is a specially formulated, minimal expanding foam with a low pressure build that remains soft and flexible after curing. Foam can be formed without trimming to create long-lasting, air-tight and water-resistant seals proven not to bow window or door frames when properly installed.