From the #1 Silicone Brand, GE Pro Seal Max Window & Door sealant is a pro-grade, 100% waterproof caulk designed to deliver exceptional performance while still being easy to use. Unlike many pro-grade products that can be stringy, messy, or tricky to work with, Pro Seal Max goes on smoothly for outstanding results every time. Plus, it stands out from other waterproof technologies because it's paintable, making it perfect for weather-exposed areas that require a polished finish. Ideal for use as a door sealant or window sealant, this hybrid formula combines the weatherproof performance of a silicone sealant with the paintability of an acrylic sealant. It effectively seals windows, doors, siding, trim, soffits, vents, and more. Backed by a lifetime guarantee, this paintable caulk adheres to: Stone/marble, metal, wood, glass, porcelain, ceramic tile, drywall, plaster, PVC, fiberglass, aluminum, brick, masonry, cement board, and most architectural coatings/finishes.