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Cracks in the logs
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It is a given that logs will develop some cracks and or checks. As wood dries, the difference in surface tension and moisture gradients between the inner and the outer parts of the logs cause checks. This is part of the charm of the log home. Cracks can face up or down, depending on where they are on a log. Logs with cracks that face upward are very susceptible to rot because they allow the water to travel deep into the logs, where rot starts. The exterior of logs can usually dry out after rain or snow because of the wind and sun, but the interior can remain wet longer where it can reach the right moisture point that allows rot fungi to grow.
Cracks over 1/4" that are up-facing and are in vulnerable places need to be filled and caulked.
It is important to maintain the exterior finish on a log structure by periodically applying stain. While this helps to protect the wood and makes it look nice, it actually does little to keep it from rotting from the inside. Failure to control water is a guarantee of future problems including rotted logs and failure of finishes and chinking. Applying a quality caulk can seal these up-facing cracks and prevent water from penetrating into the log.
For more information on how we handle problematic cracks, contact us.
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