Fills, air-seals and insulates small gaps up to 1 inch inside or out. Expands to take the shape of cracks and voids to form a durable, airtight, and water-resistant bond that eliminates unwanted airflow and helps reduce condensation. Forms a permanent weather-tight seal to minimize drafts and insect infestation. Tack free in 15 minutes. Trims in 30-60 minutes. Foam elasticity allows for movement/shifting within a structure. Cream colored foam cures rigid. Paintable, stainable and sandable. All-direction dispensing. UL Classified.