Polyurethane Adhesive Sealant 540

3M™ Polyurethane Adhesive Sealant 550 FC is a fast curing polyurethane designed to seal and bond many substrates in a wide variety of applications.

3M™ Marine Adhesive Sealant 5200 White. The adhesive sealant is extremely strong, retains its strength above or below water line. Stays flexible too – allows for structural movement. Has excellent resistance to weathering and salt water.