Foam & Fill Triple Expanding Polyurethane Sealant is quick and easy to use. Expands to fill holes, cracks, gaps and voids around windows, doors, pipes, outlets, vents and foundations. Forms an airtight, waterproof bond and seals out drafts, moisture, and pests. Cured foam can be sanded, painted or stained. Contains no HCFCs or CFCs so it is safe for the environment. For large gaps and cracks. Size 12 oz. aerosol can with nozzle.