When both fast action and quality results are important3M™ Fast N Firm Seam Sealer is a preferred choice. this firm setting product can seal a variety of external automotive joints and seams. With its high solids and low shrinkage propertiesour sealer provides predictable and reliable results. Youll have a work time ranging from 5 to 10 minutes. It quickly skins and cures quickly. In factit cures so quickly that you can often paint in as few as 45 minutesso there is less downtime in waiting for the sealer to fully cure.








