- Single component moisture-curing MSP seam sealer offers convenience and quality
- Sealer is formulated for automotive body joints
- Versatile application methods allow caulking or spraying
- Excellent adhesion works well with primed surfaces
- Fast curing allows for immediate painting
3M™ MSP Sprayable Seam Sealer is a gray high-performance, general-purpose seam sealer that can be caulked or sprayed. Our convenient, easy-to-apply sealer adheres well to all primed surfaces, except acrylic lacquer. It offers the convenience of allowing for painting almost immediately after being applied.