Used primarily for sealing penetrations and air leaks in the building envelope. Fills cracks, gaps and holes. Not recommended for use around doors and windows. Permanent, rigid, non-shrinking, waterproof/water resistant. Sandable, paintable, moldable. Straw applicator allows for rapid, yet precise, controlled flow. Adheres to wood, masonry, glass and most plastics. Can be dispensed at any angle. Closed cell for blocking radon gas and air infiltration. Expands approximately 60-percent during cure. 15 minute tack-free time; 1 hour cure time. Flammable during dispensing. U.L. Listed. For outside applications paint when cured to protect against UV discoloration. 240 degrees Fahrenheit max temperature for cured foam. 12 oz. yields 275 linear feet in 3/8" bead; 20oz. yields 460 linear feet in 3/8" bead.