Keep the Caribbean winds at bay with Reflectix Sill Sealer, a must-have to lock in that cool AC air and keep the tropical heat outside where it belongs. Perfect for sealing up your cozy island abode, this ribbed polyethylene foam wonder works wonders around windows, doors, and where your walls meet the foundation. Ideal for both homes and businesses, this sealer is a game-changer for construction in the Caribbean, be it a breezy beachfront villa or a sturdy basement hideaway. With a 15-year warranty, you can trust in its durability for the long haul.