Backer Rods - PU

PU Backer Rods are round in profile and made from Polyurethane Foam. The open-cell backer rods are used as non-adhesive backfilling in construction joints and to ensure correct joint dimensions for sealants. Supplied in 1m lengths.

Open technical data sheet

Properties

• Easy to apply
• Very flexible
• Withstands many chemicals
• Suitable as back filling material for all types of sealants (silicone, PU, Polysulfide, Acrylics, MS Polymers)
• Grey colour
• Available in different diameters

TDS

Technical data sheet

Instructions

• Ensure that the diameter of the PU backer rod is 50% larger than the gap between the two building substrates.

Applications

• Used to control depth and shape of sealant joints and avoid 3 sided adhesion. Suitable as a draught strip.