Description

The Bond-It Backer Rod 25mm x 200m Coil is a closed-cell polyethylene foam backing rod designed to support correct joint design and maximise sealant performance. Supplied in a convenient 200-metre coil, it is ideal for large-scale applications where consistent joint depth control is required.

Installed behind sealant joints, backer rod helps prevent three-sided adhesion, allowing the sealant to move correctly and significantly improving long-term durability. This 25mm diameter rod is suitable for wide construction and expansion joints commonly found in glazing, façade, and building applications.

Typical Applications

• Expansion and movement joints
• Glazing and façade sealing
• Construction and building joints
• Large-scale sealant installations
• Joint preparation for silicone, PU, and hybrid sealants

Why Use a Backer Rod?

Using a backer rod:

• Reduces sealant waste
• Improves joint performance
• Ensures correct depth-to-width ratio
• Extends sealant service life

Backer rod is an essential component of professional joint design.

Why Buy from The Sealant Shop?

• Genuine Bond-It products
• Competitive trade pricing available
• Fast UK dispatch
• Ideal companion product for professional sealants

Benefits

How to Apply