3M™ Marine Adhesive Sealant 5200 is extremely strong and retains its strength above or below water line. Stays flexible too - allows for structural movement. Has excellent resistance to weathering and salt water.
High performance polyurethane adhesive/sealant becomes tack-free in 48 hours, fast cure product in 1 hour
Strong seal retains strength above or below the water line
Stress caused by shock, vibration, swelling or shrinking is effectively absorbed. Check the bonding and sealing jobs this product can handle for you: fiberglass deck to fiberglass hull, wood to fiberglass, portholes and deck fittings, motors on fiberglass transoms, under mouldings, hull seams above and below water line. Center board trunk joints. Between struts and planking. Stern joints. Deck housing, etc. Easy to apply with manual caulking gun. Won't sag or flow in vertical or horizontal seams.
Hand or pressure caulk
White, Tan, Black, Mahogany
3 fl oz (US), 5 Gallon, 1 fl oz (US), 0.1 Gallon
<1 mm/24 hr, 3 mm/24 hr
>900 Percent, >800 Percent
68 Shore A, 60 Shore A
Marine, Transportation, Specialty Vehicle, Construction, General Industrial