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WeatherMaster Concrete Joint SL Sealant

Titebond® WeatherMaster Concrete Joint SL Sealant is a one-component, self-leveling, premium grade, high performance advanced polymer sealant which is specifically engineered for contraction/expansion joints and cracks in concrete decks and floors. Concrete Joint SL also works well for radon applications.

Concrete Joint SL Sealant is designed to flow easily and smoothly into concrete cracks and joints, providing a permanent and durable seal.

Download Titebond WeatherMaster Concrete Joint SL Sealant Sheet

    Complies with the following requirements:
  • ASTM C920, Type S, Grade P, Class 25, Use T and M
  • CAN/CGSB-19.13-M87 Class C-1-40-B-N & C-1-25-B-N
  • Federal Specification TT-S-00230C Type I Class A

Revised August 2017

  • Excellent adhesion and flexibility

  • Smooth, easy flow

  • Perfect for horizontal concrete joints and cracks

  • Does not contain solvents or isocyanates

  • VOC-compliant

  • Compatible with all types of foam

  • UV resistant

Type: Advanced polymer Reactive VOC: 0 g/L, 10 g/L (<2% wt.) during cure Color : Gray Weight Per Gallon : 13.77 lbs. Flashpoint : Solvent free/Not applicable Solids : 99% Freeze/thaw Stability : Stable Viscosity : 110,000 cps Storage Life : 18 months in tightly closed containers at 75°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

0°F to 140°F.

Service Temperature Range

-75°F. to 300°F.

Method of Application

Cartridge/caulking gun

Tooling Time

For a 1/4" bead, approximately 10 - 15 minutes, depending on temperature and humidity.

Working Surfaces

For best results, surfaces should be clean, dry and free from any material that may prevent adhesion.


Clean tools and excess material with mineral spirits before it dries. Scrape dried excess. Follow solvent vendor’s precautions when using solvents.


Paintable after product is tack free. For best results allow sealant to cure 48 hours before painting or exposing to traffic.

Do not apply if rain is expected within 1 hour. Air, sealant and surface temperature should be above 0°F. Cure time is dependent upon ambient conditions including temperature, humidity and moisture. Typical skin time is +/- 20-45 minutes based on a temperature of 75°F at 50% relative humidity. Store unused product in dry location at or below 75°F. Not designed for continuous submersion or use below the waterline. 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
316228 Oz. Cartridge - Black38.18037083031621100370830316281244
319110.1 Oz. Cartridge - Gray15.070370830319111003708303191812108
319228 Oz. Cartridge - Gray38.18037083031928100370830319251244
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