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I have recently finished a job in a log home where we applied more than 2700 sq feet of tongue-and-groove pine to the ceilings and walls. When it came time to apply the pine to the ceilings it had twisted and whorped so bad that every board had to be pried into place. The problem with this was breaking the vapour barrier on the ceilings whenever the wood was pried. Can anyone tell me if there is a correct way to install tongue-and-groove so that the vapour barrier is not broken. Thank you.
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I've always used foil back insulation and shoot through the tongue into the rafter. I don't suppose a couple holes would amount to much, I'd be more concerned with where all those warped boards will end up if they decide to keep moving. A little more twist here and there and you got a BIG mess on your hands.
*I understand using the foil covered insulation, but does that still maintain a good barrier. I ask because in this home especially the problem of condensation was very large. We had to be very carefull with the insulation in order to make sure there was no "running" water in the ceiling.
*I feel the foil backed is the way to go...but then I'm not there. I will say... I once wrapped the entire interior of an all cedar house with viscuine (plastic)per plans. After the owners moved in and started using hot water and breathing, the place turned into a rain forest. Condensation everywhere. I forget how we remedied the situation. I'm a member of the "house needs to breath" club and a few exits here and there wouldn't bother me in the least. As to running water in the ceiling....not sure, but fans might help. Exhaust fans in bathroom etc. and a paddle one at the peak. Unless you're either in the jungles or close to the pole.
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I have recently finished a job in a log home where we applied more than 2700 sq feet of tongue-and-groove pine to the ceilings and walls. When it came time to apply the pine to the ceilings it had twisted and whorped so bad that every board had to be pried into place. The problem with this was breaking the vapour barrier on the ceilings whenever the wood was pried. Can anyone tell me if there is a correct way to install tongue-and-groove so that the vapour barrier is not broken. Thank you.