Titebond WeatherMaster Black Polymer Sealant, 10 oz. a superior polymer formula that remains permanently flexible and adheres effectively to a wide range of materials including aluminum, vinyl, glass, masonry, PVC, wood, fiberboard, brass, and most common building materials. This sealant is waterproof, UV-resistant, and compliant with VOC regulations, making it an excellent choice for various weather conditions. It can fill gaps up to 1 inch and applies easily even in extreme weather. Most Titebond WeatherMaster polymer sealants, except for the Translucent 44011 variant, can be painted over with exterior water-based paint just one hour after application. This product is i for sealing windows, siding, trim, doors, gutters, vents, and roofing, providing reliable protection and durability.