Exterior logs and timbers exposed to high amounts of moisture
Prevent Rot Before It Starts.
Cobra Rods are a way to spot treat decay-prone areas such as log ends that are already coated with a finish. Dual-biocide of copper and borate prevents rot before it starts in highly-exposed logs and timbers.
½” x 2” (10) $49.99 USD
½” x 2” (50) $139.99 USD
½” x 2” (100) $265.99 USD
½” x 4” (50) $208.99 USD
Non-wood building materials, including fiber cement, vinyl, etc.
1/2″ diameter x 2″ long rods
1/2″ diameter x 4″ long rods
This is Why You Should Use Cobra Rods
Prevents rot before it starts More Info
When activated by moisture, Cobra Rods dissolve and are carried to the areas that need it the most to prevent rot
Easy to install More Info
Drill a hole, drop it in, seal it up. Simple.
Easy to replace More Info
Has a rod dissolved? Simply drop in another. Oh – and deal with the moisture problem ASAP!
Why are Cobra Rods better?
In short: diffusion into the wood is always better than a thinner “shell” of protection from a spray-on product alone.
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Common Questions From Our Network of Pros
Only install Cobra Rods in highly-exposed logs, such as protruding perlins, bottom courses of logs that see a lot of sitting snow or splashback, and the like. They’re not necessary in areas that see normal amounts of rain or snow.
That’s highly unlikely, but possible. Because they contain copper, they can give a greenish or reddish tint to the wood if they get all the way to the surface. That’s very rare and, if it happens, always very faint.