Prevent Wood Rot Before It Starts

Copper and borate wood preservative rods

Cobra™ Rods


Cobra Rod benefits include:

  • Dual biocide of boron and copper – strong protection
  • Easy to install, maintain and replace
  • Variety of sizes for every log and timber size
  • Necessary only in highly-exposed logs and timbers (Use Tim-bor® for whole-home treatment)

Use Cobra Rods in logs and timbers exposed to moisture from roof run off and splash back.

Learn how to use Cobra Rods on your log home:

Download Informational PDFs:

Product Overview

Cobra Rods’ unique combination of copper and boron is potent yet safe.

Cobra™ Rods borate wood preservative rods help you prevent wood rot before it starts. They are necessary only in highly exposed logs and timbers that are easily prone to moisture and insect infiltration, both of which can compromise the structural integrity of your log home. Cobra Rods prevent rot and keep wood-ingesting insects from taking up residence. Cobra Rods’ unique combination of copper and boron is potent yet safe. North American utility companies trust Cobra™ Rods to extend the life of their wooden poles. Imagine how your log and timber home will benefit!

Inspiration Gallery

See Sashco’s staining, chinking and caulking products on real log homes and get inspired.