Maximise your building's integrity with high performance products manufactured in an ISO certified factory

PEF Backing Rod

iPASSIVE PEF Backing Rod is pushed into joint gaps to form a uniform and firm base for controlling the depth of sealants.

Product Description

IPASSIVE PEF Backing Rod can be used in the following applications:

  • Peripheral joints around aluminium and timber windows;
  • Around penetrations through walls and floors;
  • Expansion joints between bricks and masonry;
  • Joints between precast concrete panels;
  • Saw cut joints in concrete floors;

IPASSIVE PF Backing Rod can also be used for draught- and dust-proofing of joints in situations where no other form of sealing is required.


  • Easy to install
  • Weather resistant
  • No water absorption
  • No adhesion to sealants
  • Approved for use in food areas (Australia Std AS2170)
  • Wide range of sizes available
  • Non-toxic, odourless
  • Resistant to most chemicals
  • Easily compressible, good expansion
  • Light weight