Titebond 43991 Weathermaster Polymer Sealant, Crystal Clear, 10.1 Oz

Titebond WeatherMaster is a premium polymer sealant formulated to outperform traditional sealant technologies, including silicones, tripolymers, and urethanes. Designed for exterior applications on siding, windows, doors, gutters, and vents, this sealant provides superior adhesion and permanent flexibility to handle the expanding and contracting that occurs with temperature changes.

Whether you're sealing gaps before winter weather arrives or protecting your home from moisture and air infiltration, WeatherMaster delivers reliable, long-lasting performance. It adheres seamlessly to wood, masonry, PVC, fiber cement, siding, trim, and most common building materials, making it ideal for both professional contractors and DIY homeowners tackling home improvement projects.

Features and Benefits

• Superior Polymer Formula: Outperforms silicones, tripolymers, and urethanes for exceptional durability and adhesion.
• Permanent Flexibility: Maintains flexibility over time, preventing shrinkage and cracking in fluctuating temperatures.
• Weather and UV Resistant: Extrudes effectively in extreme weather conditions and resists UV damage, making it ideal for outdoor exposure.
• Paintable: Can be painted with water-based premium grade paint for seamless aesthetic integration with your home.
• Wide Temperature Range: Performs reliably from -75 to 250 degrees Fahrenheit.
• VOC Compliant: Contains no solvents or isocyanates, ensuring a safer application for users and the environment.

Specifications

• Brand: Titebond
• Model: 43991
• Color: Crystal Clear
• Size: 10.1 oz cartridge
• Temperature Range: -75 to 250 degrees Fahrenheit
• Material: Polymer sealant
• VOC Compliant: Yes

How to Use

If touchups are necessary, WeatherMaster may be painted with a water-based premium grade paint.