Factory Match Catalyzed Seam Sealer (Medium-Set, Non-Sag), 1.7 oz. Substrates: Can be used over fully cured acid-etch primers, urethane primers and epoxy primers Applications: Duplicating factory appearance of standing seams, cosmetic seams, truck bed seams, tooled door skin seams, floor pan seams, core support seams and any other application in which a non-sag cosmetic seam sealer is required. Easy to dispense, non-sag formula. Longer open time allows for cosmetic perfection whether tooling or brushing 126EZ