Titebond WeatherMaster ULTIMATE MP Sealant is a premium-grade, superior polymer, multipurpose exterior sealant that offers unbeatable adhesion to most common building materials. It is specifically formulated to outperform all other sealant technologies, including VOC solvent, silicones, tripolymers and urethanes. It can be extruded in extreme temperatures, remains permanently flexible with no shrinkage, adheres well to damp surfaces and provides a weather-tight seal against water, wind, dust and dirt.