White, Tremco TremGlaze UA1300 High Performance Urethane Acrylic Sealant. Formulated for a wide range of applications within the residential window and door installation industry. Used for interior or exterior caulking where a durable and permanently flexible sealant is needed. Adheres well to wood, metal, gypsum board, vinyl, foam board and many other construction substrates. Non-Flamable, quick drying and paintable within 48 hours. Mildew resistant, flexible and will not crack or fade.