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Old 11-10-2016, 05:41 PM   #11
Skoolie
 
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Not the best picture and I have yet to find out of the minor imperfections are going to be an issue but I tried this



Cut some 2x4s on a band saw to fit the curve. The ceiling studs are about 1/4 in lower than the metal ribs. Pl premium and self tappers. Wasn't sure what I was going to put on the ribs for that 1/4 inch but someone mentioned something up there I may look into. Or spray foam on them and try to cut it flush. Anyways it seemed to make sense to me.
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Old 11-10-2016, 10:05 PM   #12
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wow, that looks great! Looks like it just might do the trick!
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Old 11-11-2016, 11:29 AM   #13
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I'd say you're on to something! That's an interesting solution.

Has anyone here worked with PVC board extensively? I've been thinking about using some of it for parts of my exterior door. Apparently it cuts like wood, but it insulates 70% better (or so says home depot's website). For that style of thermal break on the ribs it might work well. I'm not sure I'd want to use it for lengthwise furring, though, since it seems to be rather bendy.
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Old 11-11-2016, 06:04 PM   #14
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Quote:
Originally Posted by EricW View Post
Not the best picture and I have yet to find out of the minor imperfections are going to be an issue but I tried this



Cut some 2x4s on a band saw to fit the curve. The ceiling studs are about 1/4 in lower than the metal ribs. Pl premium and self tappers. Wasn't sure what I was going to put on the ribs for that 1/4 inch but someone mentioned something up there I may look into. Or spray foam on them and try to cut it flush. Anyways it seemed to make sense to me.
Do you have a closeup picture ?

So the 2x4 are not touching the ribs but they are touching the sheets in the ceiling ?

Thanks.
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Old 11-11-2016, 07:33 PM   #15
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I think the 2x4 pieces are secured directly to the ribs. There's no good way to connect them to the skin except for piercing screws through, which is a great way to create 10 million leaks.

That's the strongest and most effective way to attach them, too. Connecting to the ribs creates a longer and more resistant path for heat to travel versus connecting to the skin.
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