Titebond Weathermaster White Siding/Window/Door Sealant 9.5 oz. (Pack of 12)Titebond brings to you the WeatherMaster Sealant, a superior polymer formula that will form permanent seals in exterior gaps and joints, thus giving a smooth finish to your exteriors. Due to its endless flexibility, this window sealant is preferred to silicone sealants, polyurethane sealants, and regular acrylic sealants. It gives steadfast adhesion to various surfaces, including wood, masonry, PVC, fiber cement, and most common building materials. It