- Product Reviews
3M 08505, Fast 'N Firm Seam Sealer
- 1/10 Gal Cartridge
The 3M 08505, Fast 'N Firm Seam Sealer is a firm setting product for sealing interior and exterior joints. Adheres well to clean, bare metal, primed metal and paint surfaces and has excellent tooling and sanding properties. Fast n Firm skins over quickly, has low shrinkage and can be painted within 30 minutes.