Premium one-component, polyurethane-based construction sealant for filling and sealing joints up to 1/2" deep. Sikaflex-1A bonds to most construction materials without primer and remains permanently elastic with +/-35% joint movement capability. Paintable, sandable, and stainable after cure.

• One-component polyurethane - no mixing required
• +/-35% joint movement capability
• Bonds to concrete, masonry, wood, metal, and glass without primer
• Tack-free in 3-6 hours, full cure in 4-7 days
• Service temperature: -40 deg F to +170 deg F
• Non-sag formula for vertical and horizontal joints
• Weatherproofing for window/door perimeters, concrete, and masonry joints
• Meets ASTM C920 specifications
• 10.1 oz cartridge

FOR CALIFORNIA SHOPPERS

Hello Californians! Your government wants us to show you the following message:

• ⚠  WARNING: This product can expose you to chemicals including Titanium dioxide which is known to the State of California to cause cancer and 12-Benzenedicarboxylic acid di-C9-11-branched alkyl esters C10-rich which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.