3M Urethane Seam Sealer is a high-solids seam sealer ideal for sealing automotive and RV seams and joints. It adheres well to bare metal, primed metal, and painted surfaces, and, if desired, can be smoothed to a featheredge and/or brushed. Tack-free and paintable after 30-45 minutes, this urethane formula is permanently flexible and offers superior performance to solvent-based sealers.

• MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
• SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
• NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers