Description 3M Marine 5200 Adhesive/Sealant The 3M Marine 5200 Adhesive/Sealant is a polyurethane sealer. Tack free in 48 hours and also cures in 5-7 days with no shrinkage. Extremely strong above or below waterline. Stays flexible, bonds and seals fiberglass, as well as easy to apply with manual caulking gun. Workable up to 4 hours after application. Won’t sag or flow in vertical or horizontal seams. Choose between 1oz tube, 3oz tube or 10oz cartridge Check out more Adhesives and Sealants here.
