Log Gap Caps for Full Log Insulation
Price range: $1.24 through $65.75Easy to use pre-cut foam inserts for sealing trim around doors and windows.
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Easy to use pre-cut foam inserts for sealing trim around doors and windows.

Backer Rod is an extruded, round, closed cell polyethylene foam designed to effectively fill the gaps between logs prior to the application of log caulking. Backer Rod is flexible and compressible; it conforms to the irregularities in the log surface.

Grip Strip Backer Rod makes it easier to maintain a consistent thickness of sealant across the seam, reducing the amount of sealant required and improving the sealant’s performance. Grip Strip’s unique design provides an excellent fit and surface within the chink joint so there is no need for staples, nails or glue.