Polyurethane putty 550 310mL 3M

POLYURETHANE MASTIC 550 3M : A VERSATILE, FAST-CURING MASTIC

3M Polyurethane Mastic 550 is a versatile polyurethane mastic designed for many sealing and bonding applications. You can use it above or below the waterline.

It can be used for the connection between deck and hull, door and window frames, metal curtains, vertical and horizontal expansion joints, concrete and masonry shrinkage joints, etc.

This sealant provides very good adhesion to wood, concrete, aluminum, lacquered metals, polyester, glass, stone and other substrates.

The skin forms in 60 minutes and it is possible to paint this putty once dry.