3M Marine (Fast) Adhesive Sealant 4200FC - White 3 - Ounce. Conventional Replace your old worn-out flapper

Replace your old worn-out flapper scupper with our new Flow-Max™ positive sealing ball scupper

Proprietary High Carbon

To keep the boat going straight

Foul proof guides

• Injection molded

3M Marine (Fast) Adhesive Sealant 4200FC - White 3 - Ounce. Conventional Replace your old worn-out flapper3M Marine (Fast) Adhesive Sealant 4200FC White 3 Ounce. A one part general purpose polyurethane that chemically reacts with moisture to deliver flexible bonds with good adhesion to wood, fiberglass, gelcoat, certain plastics and metals. Paintable and sand able. Forms watertight, weather resistant seals on joints and hardware above or below the waterline. This product is approximately half the strength of 3M 5200, which allows for disassembly of parts.