Fills, air seals and insulates small gaps up to 1 in in side or out. Expands to take the shape of cracks and voids to form a durable, air-tight 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 mins. Trims in 30 to 60 mins. Foam elasticity allows for movement/shifting within a structure. Cream colored foam cures rigid. Paintable, stainable and sandable. All direction dispensing. UL classified.