Great Stuff 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. Foam Insulation Sealant. NOTE: This product can only be shipped via Ground Shipping. Please allow extra time for delivery.