Color - White. The seal is extremely strong, retains its strength above or below the water line. Stays flexible too - allows for structural movement. Has excellent resistance to weathering and salt water.

Use 3M 5200 on wood, fiberglass, hardware, motors, on fiberglass transoms, seams, joints, between struts, and planking stern joints. It is extremely permanent.

Check the bonding and sealing jobs 3M 5200 can handle for you: fiberglass deck to fiberglass hull, wood to fiberglass, portholes and deck fittings, motors on fiberglass transoms, under moldings, hull seams above and below water line, Center board trunk joints, between struts and planking, Stern joints, Deck housings, etc.

3M 5200 may be easily applied with a manual caulking gun. It will remain workable with trowel or spatula up to four hours after application, and won't sag or flow in vertical or horizontal seams.

This high performance polyurethane adhesive sealant becomes tack-free in 24-48 hours, and completely cures in 5-7 days with no shrinking. The seal is extremely strong, retaining its strength above or below the waterline. 5200 stays flexible and allows for structural movement. Stress caused by shock, vibration, swelling or shrinking is effectively absorbed.