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.

Features & Benefits

  • 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


  • CAN/CGSB-19.13-M87 CLASS C-1-40-B-N & C-1-25-B-N

Application Guidelines

  • 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.
  • Painting: Paintable after product is tack free. For best results allow sealant to cure 48 hours before painting or exposing to traffic.
  • Cleanup: Clean tools and excess material with mineral spirits before it dries. Scrape dried excess. Follow solvent vendor’s precautions when using solvents.
  • Coverage:
    Container 1/8” Bead 1/4" Bead 3/8" Bead 1/2" Bead
    28 oz. Cartridge 343 ft. 86 ft. 38 ft. 21 ft.

Physical Properties

  • 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


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

Product SKUs

Part NumberUPCCase UPCSizeWeightUnits Per PackagePackages Per PalletColor
31620370830316211003708303162828 Oz. Cartridge - Black38.181244
31910370830319111003708303191810.1 Oz. Cartridge - Gray15.0712108
31920370830319281003708303192528 Oz. Cartridge - Gray38.181244

Caution Statement

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.

Important Notice: Our recommendations, if any, for the use of this product are based on tests believed to be reliable. Since the use of this product is beyond the control of the manufacturer, no guarantee or warranty, expressed or implied, is made as to such use or effects incidental to such use, handling or possession or the results to be obtained, whether in accordance with the directions or claimed so to be. The manufacturer expressly disclaims responsibility therefore. Furthermore, nothing contained herein shall be construed as a recommendation to use any product in conflict with existing laws and/or patents covering any material or use.

2020 Bruck Street, Columbus, Ohio 43207
CUSTOMER SERVICE 1-800-669-4583
TECH SERVICE 1-800-347-4583

Franklin International