Great Stuff Smart Dispenser Window & Door quickly and cleanly fills, seals and insulates around windows and doors and their rough openings. This minimal-expanding polyurethane foam with low-pressure build can help lower energy bills by forming a durable, airtight and water-resistant seal between a window or door frame and its rough opening.Comes with the new Smart Dispenser Straw for no drips, and less mess - foam stops where you stop. Reusable for up to 30 days - use again and again with precise, greater control. Tack-free in 5-15 minutes, and trims in one hour.