Description

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, 3/8" 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 Backer Rod make sure gap is free of moisture and foreign material. Directly place it into the gap using a blunt tool or the tips of your fingers. Apply Energy Seal over Backer Rod according to manufacturer's instructions.

Features and Statistics

Closed cell

Round

Increases R value

Cuts material costs considerably

Extruded, chemically inert

Joint Strip

Extruded Closed-Cell Polyethylene

Joint Strip is a closed-cell product. Under normal use, it will not cause out gassing unlike bead-board, blue board, or pink board can. Its unique design provides an excellent fit and surface within the chink joint. This results in a savings in material used and improved R-value.

Advantages

It provides a firm chinking or caulking surface
Its shape and texture allow it to be easily installed without using staples, nails or glue
It repels water. (Most open cell products absorb water)
It’s compatible with all commonly available synthetic chinking
It helps prevent blistering of chinking surfaces
It provides extra insulation against heat loss
It comes in a number of widths and it fits a wide variety of log styles

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