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WeatherMaster Gutter & Seam Sealant

Titebond® WeatherMaster™ Gutter & Seam Sealant provides a highly weather-resistant seal against water, wind, dust and dirt. This long-lasting advanced polymer sealant retains resiliency and flexibility for years.

Gutter & Seam Sealant was formulated specifically for sealing aluminum, galvanized and vinyl clad gutters and downspouts. This sealant has excellent adhesion to wood, metal, aluminum, steel, plastics, masonry and glass. It expands and contracts with the change of weather and will not crack.

Download Titebond WeatherMaster Gutter & Seam Sealant Sheet

    Complies with the following requirements:
  • ASTM C920, Type S, Grade NS, Class 50, Use NT, M, G and A

Revised August 2017

  • Designed for gutters, downspouts and flashing

  • Superior adhesion to prevent leaks

  • Remains flexible in extreme temperatures

  • Adheres to wood, metal, masonry, glass and plastic

  • Weather-resistant

  • Paintable

  • Compatible with all types of foam

Type: Advanced polymer Reactive VOC: 0 g/L, 9 g/L (<2% wt.) during cure Color : White and aluminum gray Weight Per Gallon : 12.52 lbs. Flashpoint : Solvent free/Not applicable Solids : 98% Freeze/thaw Stability : Stable Viscosity : 500,000 cps Storage Life : Up to 18 months in tightly closed containers at or below 80°F.

Coverage (maximum): Approximate length of bead according to bead diameter:
Container 1/4" bead 3/8" bead 1/2" bead
10.1 oz. Cartridge 31 ft. 14 ft. 8 ft.

Application Temperature

Above 0°F (-18°C).

Service Temperature Range

-75°F. to 300°F (-59°C to 149°C).

Method of Application

Cartridge/caulking gun

Tooling Time

For a 1/4" bead, approximately 20-40 minutes, depending on temperature and humidity.

Working Surfaces

Surfaces must be cleaned down to the original substrate and free from any material that may deter adhesion. It is the sole responsibility of the user to thoroughly test any proposed use with all substrates to determine project suitability prior to using product on your application.


Uncured material may be cleaned with isopropyl alcohol or acetone. After curing, excess sealant must be cut or scraped away. Follow solvent vendor’s precautions when using solvents. NOTE: Test solvent on an out-of-the-way area to make sure it will not mar or attack the surface.

Air, sealant and surface temperature should be above 0°F(-18°C). Painting may occur one hour after application with a water-based (latex-based) paint. For other paint types, a compatibility test is recommended. It is very important that all surfaces be clean and free of dust, dirt, oil, rust, water and ice. Not designed for continuous submersion or use below the waterline. Store unused product in dry location at or below 80°F (27°C). For questions, please call our Help Line at 1-800-347-4583.
CAUTION: EYE AND SKIN IRRITANT. Do not swallow. Do not allow eye contact or prolonged skin contact. First Aid: If swallowed, do not induce vomiting; contact physician. If eye contact occurs, flush with water for 15 minutes. Wash skin contact areas with soap and water. If irritation from eye or skin contact areas persists, contact physician. Product releases methanol during cure. For additional information, refer to Safety Data Sheet. KEEP OUT OF THE REACH OF CHILDREN.
Part No.SizeWeight(lbs.)UPCCase UPCUnits Per PackagePackages Per Pallet
732110.1 Oz. Cartridge - White14.920370830732181003708307321512108
733110.1 Oz. Cartridge - Aluminum Gray14.920370830733171003708307331412108
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