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Dow Great Stuff Pestblock

GREAT STUFF PRO Pestblock Insulating Foam Sealant blocks insects and pests by sealing gaps, cracks and holes where they commonly invade the home. Specially formulated with a bitter ingredient that prevents rodents from entering the home. Pestblock Foam Sealant expands to fill, seal and insulate gaps up to 3", forming a long-lasting, airtight and water resistant barrier. Air sealing and insulating projects around the home can typically save homeowners up to 30% on home energy costs, according to the Residential Energy Services Network (RESNET).