It is normal, but I do not recommend filling them. Better to leave them alone unless they are allowing wind, water or bugs to get inside. If you are concerned about bigger, facing up checks, squeeze some Shell-Guard into them. Call 800-564-2987 to purchase.
Hard to say without seeing it, but most log homes with a open area could be closed in. Contact a local contractor familiar with log home construction.
It sounds like the logs were not dried properly when the chink was applied. As they dry they will pull from the chink. Perma Chink is your best bet for keeping it sealed for insulating purposes when applied properly. It takes several weeks before it cures completely and cannot leave… Read More »Archive-1338
I would remove it and then go over the area with an Osborne brush to try and remove any residue left from the silicone. Do not fill the checks unless they are allowing wind water or bugs to get inside. Also if they run into a window or door jamb… Read More »Archive-1340
Yes, either corn cob blasting or glass blasting to remove the paint. Crushed glass might be the better choice for this. You should then apply a coat of Shell-Guard borate per label and then allow to age naturally. Any chinking issues should be addressed as well. If there is mortar… Read More »Archive-1342
It would be fine to re-chink them now.
Not really sure what to tell you. I’m not sure what you mean by ”bond breaker”. Normally we would just chink over the existing. If you do remove the old chink you should take care and insert shims between the logs to stop any settling.
It is normal and typically you don’t need to worry, but if you are real concerned you should have a structural engineer look at it.
Here a some links that may help you. Hope it helps. If you are looking for something different call Mike at 866-670-3020. http://www.cabinlife.com/en/Dream%20Cabins/Design%20and%20Style/2006/05/Log%20Homes%20Construction%20Types.aspx http://en.wikipedia.org/wiki/Log_house https://www.google.com/search?q=log+home+construction+type&start=10&hl=en&client=firefox-a&hs=M28&sa=N&tbo=u&rls=org.mozilla:en-US:official&tbm=isch&source=univ&ei=XVrHULSQCrCQyQGBqYDwDA&ved=0CHAQsAQ4Cg&biw=1280&bih=921
http://howto.yellow.co.nz/home-garden/pest-control-home-garden/how-to-stop-cluster-flies/