Log home siding maintenance can pose similar challenges to that of a “true” log home. Siding on log homes varies considerably, and it’s treated differently depending on its thickness. Some log siding is no thicker than conventional wood lap siding; other siding is 6-8″ thick, just like true log homes. W
ith the thicker log siding (over 3″), it needs to be treated just like regular logs. Why?
Any large wooden structure — especially a log home — has a natural ability to absorb and release moisture. Wood is hygroscopic, meaning it constantly interacts with the environment around it. Because of this, one of the most important principles of log‑home care is ensuring that the logs can breathe.
Breathability refers to the wood’s ability to allow moisture vapor to move freely from the inside of the log to the outside air. When this process works as it should, moisture evaporates harmlessly. When it doesn’t, moisture becomes trapped beneath the surface, creating the perfect conditions for rot.
One of the most common threats to breathability is over‑coating. Heavy, impermeable finishes or multiple layers of incompatible products can seal the surface so tightly that moisture has nowhere to go. Over time, this trapped moisture can lead to blistering finishes, internal rot, and structural damage.
It’s easy to assume that log siding is less vulnerable than full logs, but the truth is that log siding can and will rot just like solid logs. While replacing siding is often less labor‑intensive than replacing structural logs, the risks of ignoring early signs of moisture damage are still significant. Rot can spread, insects can take advantage of weakened wood, and moisture problems can migrate into the underlying structure.
Contact us if you have log siding maintenance issues or problems with log siding. We can help. 715-373-5744
