Cobra™ Rods - Preservative Borate Rods

$27.03 USD

~~$49.99 USD~~ $27.03 USD

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Size 1/2" x 2"

Count Case of 10 Case of 50 Case of 100

Add up to 15 years of life to your wood!

Targeted: Great for rot prone areas.
Longevity: Adds years of life to our pine posts when properly installed.
Versatility: Perfect for any wood post in an exterior application.
Protection: Combines boron and copper for superior protection.
Ease of Use: Easy to install and maintain.
Trusted: With studies from 6 different internationally recognized research institutes to back it, you can trust the power of the Cobra™ Rod.

This treatment is water-soluble and protects wood against decay, fungi, and certain bugs. The Cobra™ Rod acts as a plug, as you can essentially drill a hole into the piece of wood, stick the rod into it, and close it up with caulk.
Cobra™ Rods are a way to spot treat decay-prone areas such as log ends that are already coated with a finish.
Once inserted into damp or wet wood, the borate/copper complex in Cobra™ Rods dissolves spreading the active ingredients into areas surrounding the rod. This eliminates active decay fungi and helps prevent rot for 8 to 10 years.
Cobra™ Rods are 7/16" in diameter and are two inches in length. A 1/2" diameter drill bit is used for installation. The installation holes may be plugged with the accompanying plastic plugs (if available) or wood caulk.
A typical six to eight-inch round log end will require two 2” long Cobra™ Rods inserted within 4 inches of the butt end.


Use a ½” drill bit to drill hole.	Drill hole to a depth of at least 3 ¾”.	Clean out the hole and insert the Cobra™ Rod.	Insert the plastic plug into the hole.

Using a screwdriver, twist the plug clockwise.	Make sure the top of the plug sets about ¼” below the surface of the wood.	Fill the hole with the appropriately colored wood caulk.	Smooth with tool or finger.