Applying some type of wood preservative to your log home is like taking out an inexpensive insurance policy on it. These preservative products are mostly borate-based and designed to protect your wood from rot and wood-ingesting insects. Adding this affordable step at the beginning can save you headaches down the road, including the time and money it costs to replace damaged wood.
There are two main types of whole log home preservatives on the market.
The first is a borate-based powder that is mixed with water and then sprayed on your log home, such as Tim-bor®.
The other type is still borate-based, but in a liquid glycol mixture that is applied directly out of the container. Penetration of both types is consistent. Glycol mixtures are considerably more expensive, though.
Tim-bor® Log Home Preservative
Applying Tim-bor® is easy! You simply mix the powder with water, then spray or brush the liquid mixture on your wood prior to staining. Keep in mind that wood preservatives can only be applied to bare, stain-free wood.
A cross-section of a log showing and installed borate rod. Cobra™ Rods come in various sizes to fit any application.
Borate-based rods, such as Cobra™ Rods (shown above) are available in a variety of sizes to fit most square or round timbers. These rods are best installed in high moisture areas at increased risk for decay, such as: lower log courses, corners, exposed purlins, rafters or overhangs, exposed log railings, and below windows, doors, or dormers. They are very easy to install: simply drill a hole, install the rod, and seal with caulking. As always, be sure to follow the manufacturer’s recommended placement instructions. Then, check these every year when you do your semi-annual maintenance checks. If one has started dissolving, insert a new one. Oh - and make sure you deal with the source of the moisture!
Looking for the next step to take? Try our blog post on how to find the right color for your log home.
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This month's training tip comes directly from a question we received recently.