3m Sealant 4200 FC White


A fast curing, one-part polyurethane that chemically reacts with moisture to deliver strong, flexible bonds to wood, gelcoat and fiberglass. It forms watertight, weather-resistant seals on joints and boat hardware above and below the waterline. In addition, its flexibility allows for dissipation of stress caused by shock, vibration, swelling or shrinking.

Product Features


• Fast cure formula
• One component, moisture curing
• Allows for disassembly
• Bonds dissimilar materials
• Extended shelf life
• Adheres to a wide variety of substrates
• Non-sagging
• Permanently elastic

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