GREAT STUFF™ Big Gap Filler Insulating Spray Foam Sealant with Smart Dispenser™ provides a powerful, convenient solution for filling, sealing, and insulating large gaps and openings up to 3 inches wide. Specially formulated to tackle common sources of energy loss, this expanding polyurethane foam is ideal for sealing around rim joists, sill plates, plumbing penetrations, HVAC openings, and other large gaps throughout the home. The durable formula creates a long-lasting, airtight, and weather-resistant seal that helps reduce drafts and improve energy efficiency. Designed to adhere to wood, metal, masonry, glass, and most plastics, this versatile sealant provides dependable performance across a variety of surfaces. The Smart Dispenser™ with all-direction dispensing allows for controlled application, even in hard-to-reach areas. Its cream-colored foam becomes tack-free in approximately 5 to 15 minutes and can be trimmed within 1 hour for a clean, finished appearance. Ideal for home insulation, weatherization, and general repair projects, GREAT STUFF™ Big Gap Filler helps seal larger openings and improve overall comfort.