Joint Backer Rod (20mm) 300lm

Circular closed cell polyethylene foam cord in 20mm thickness.

Quantity: 300 metre roll.

Non absorbent compressible closed cell polyethylene foam backup material.

Features
• Quick and easy to apply.
• Reduces sealant usage.
• Improves sealant performance by obtaining the correct joint dimensions.
• Flexible – won’t bubble or blister.

Recommended For:
• Reducing the depth of joints in construction and glazing use.
• Creating a backstop to allow proper sealant tooling in expansion joints.