Great Stuff Smart Dispenser 12 Oz. Gray Pestblock Sealant

Great Stuff Pestblock Insulating Foam Sealant is a ready-to-use foam sealant that expands up to 1 In. to take the shape of gaps, creating a long-lasting, airtight and water-resistant seal that blocks out spiders, ants, cockroaches, mice and more from entering the home without the use of pesticides.