After stripping a car or repairing a panel you should replace the seam sealer to protect your work from the elements. Eastwood's high-solids 2-component Self-Leveling Seam Sealer leaves a factory-like finish and will not crack or sag. Seals cracks, crevices and body seams as well as waterproofs and insulates. The specially designed 2 chambered cartridge and mixing tip ensure that you lay out a perfectly mixed bead. Work time is 5-10 minutes, paintable in 30-60 minutes and fully cured in 4 hours. Use on firewall and trunk seams, fender extensions, tail light openings, etc. Uses 26:1 application gun, item 46613