3M™ MSP Seam Sealer

3M™ MSP Seam Sealer is a high quality, heavy-bodied, general purpose, moisture-curing seam sealer for interior and exterior body joints. Our sealer adheres well to properly prepared primer, paint, and bare metal surfaces.

3M™ MSP Seam Sealer adheres exceptionally well to bare metal, primed and painted surfaces. Our high quality, heavy-bodied and moisture-curing seam sealer may be used on both interior and exterior body joints. It dries to be tack free in 30 minutes and is immediately paintable up to 72 hours without abrading. Our seam sealer offers the convenience of being a one-part formula that does not shrink and stays permanently flexible. This seam sealer is not recommended for acrylic lacquer surfaces. We recommend applying 3M™ MSP Seam Sealer with our 3M™ Flexible Package Applicator. This fully enclosed, all metal, rod driven, friction feed applicator gun smoothly and effortlessly dispenses single component products packaged in 310 ml (10.5 ounce) and smaller flex packs.