Most log homes rely on caulking to seal the gap between the logs, making the home air and water tight. Caulking should last many years if installed correctly.
In the last few months, I have inspected two log homes – one near Hayward, WI and one near Brainerd, MN. Both homes have similar situations as far as failing caulking.
Upon investigation, I found that the caulking was applied prior to the logs being finished. Caulking is made to stick to a freshly stained surface and this is why the caulking failed on these two houses.
While it may be counter intuitive, most manufacturers of caulking recommend that their product be applied after a fresh coat of finish. Raw wood is just too unstable to let the caulking adhere.If you have loose caulking – this may be why it is pulling away or falling out.
Here is a link to our website that gives more information.
Stay tuned for our next post: How to check for caulking that is cracked or failing and what to do about it.