3M™
Ultrapro™ 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.
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