Description GREAT STUFF⢠Pestblock is the insulating foam sealant that blocks critters and bugs -- everything from spiders and ants to mice and rats -- from entering your home through gaps, cracks and holes. It's a distinctive foam specially designed to seal homes against insects and other pests as well as reduce air leakage.PRODUCT DETAILS:Expands to fill, seal and insulate gaps up to 1" (25 mm) wide, forming a long-lasting, airtight and water-resistant barrier Specially designed to block pests out of the home by eliminating points of entry This foam is tack free in 10-15 minutes* (*Actual cure time depends on temperature, relative humidity and size of foam bead) Fully cured foam can be trimmed, sanded, painted, and stained Helps improve the home's energy efficiency by sealing gaps and cracks Bonds with most building materials and surfaces One 12 ounce can of foam covers the same area as 19 tubes of caulk Designed for interior and exterior use* (*Skin of cured foam can discolor if exposed to natural light; paint or coat foam for best results) Made in USA***Packaging may vary from image