Titebond WeatherMaster Sealant is an exterior sealant made by Titebond (Franklin International), and this listing is the gray version, sold by the case of 12. The maker describes it as a superior polymer formula and names windows, doors, shutters, trim, siding, gutters and vents as ideal uses. The maker’s data sheet lists 9.5 oz cartridges, 12 per case.
Key features
- Seals siding, windows, doors, PVC, glass, fiberglass, masonry and wood, plus most common building materials
- Joint movement capability of ±50%
- Fills gaps up to 1 inch wide
- Stays flexible and will not crack, per the maker
- UV-resistant, and mold and mildew resistant
- Can be applied in extreme weather conditions and extruded in low temperatures
- Paintable within one hour with water-based paint
- Listed by the maker as VOC-compliant
Specifications
- Type: elastomeric superior polymer
- Solids: 100%
- Application temperature: above 0°F (-18°C)
- Service temperature range (white and colors): -75°F to 212°F (-59°C to 100°C)
- Tooling time: about 10-15 minutes for a 1/4 inch bead
- Coverage: 29 ft of 1/4 inch bead per 9.5 oz cartridge
- Storage life: 24 months, stored dry at or below 75°F
- The maker lists it as exceeding ASTM C920 Type S, Grade NS, Class 50
- Method of application: cartridge and caulking gun
The maker intends it for exterior use. Follow the label and SDS.












