BACKER ROD

Extruded Closed-Cell Polyethylene Rod

An inexpensive, yet effective "backing", commonly referred to as Backer Rod. Backer Rod is an extruded, chemically inert, closed cell polyethylene "rope" designed to effectively fill in the gaps between logs prior to the application of Perma-Chink or Energy Seal.

Backer Rod is flexible and compressible; it conforms to the irregularities in the log surface. Its primary function is recognized as a median between the log gap and the chinking. Select the proper Backer Rod that fits flush with the logs.

For example, 1/2" rod should be used if your finished chinking application it to be approximately 1" wide (for a 6" thick round log). Place the rod in the joint. Be sure the edges are flush with the log surface.

Before you install Trap Rod or Backer Rod make sure gap is free of moisture and foreign material. Directly place it into the gap using a blunt tool, face roller or the tips of your fingers. Apply Perma-Chink over Trap Rod or Backer Rod according to manufacturer's instructions.

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