• Multi-purpose bonding and long-lasting seals
• Permanently elastic to allow movement of the joint
• Seals vertical and horizontal expansion joints
• Offers excellent weather resistance and good UV resistance
• Sticks to dissimilar materials for improved design flexibility
• Paintable after curing for professional results
• Leather time 40-60 minutes

3M™ Polyurethane Sealant Adhesive 540 is a one-part, moisture curing, gap filling adhesive that creates permanently elastic seals and bonds in a wide variety of service environments.

Multi-purpose sealing adhesive that creates permanently elastic seals (stretchable up to 800%)

Suggested applications

• Seals a wide variety of joints, joinery and more
• Gluing vertical and horizontal panels and sealing joints
• Aluminium curtain walls and windows
• Manufacturing in the transport sector (buses, trains, trucks, trailers)