3M™ Urethane Seam Sealer is a premium one-part moisture-curing automotive seam sealer designed for application to exterior and interior body seams. It does not shrink and stays permanently flexible. High solids seam sealer ideal for sealing interior and exterior automotive and RV seams and joints. Adheres well to primed metal and painted surfaces. Can be smoothed to a featheredge and/or brushed. Tack free and paintable in 30 minutes. Comes with one applicator nozzle.