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Old 02-10-2011, 05:17 PM   #1
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Wall Construction


Can I build walls by stacking 2x4's on top of each other, thereby eliminating the need for insulation?
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Old 02-10-2011, 05:19 PM   #2
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No.

2x4's add very little insulating value. Not to mention you would be using a lot of lumber to build a wall that way.
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Old 02-10-2011, 05:21 PM   #3
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Seriously? how would you ever accomplish that, the R value would be like 4 and cost would be out of this world, even if it was possible.
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Old 02-10-2011, 07:20 PM   #4
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As I see it, you are creating a log cabin. Instead of logs you are using 2x4s. Wood has no R value. Well, it probably does, but not worth measuring.

So the answer to elimanating insulation is no. There is no insulation value.


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Old 02-10-2011, 07:27 PM   #5
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I would love to see that!
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Old 02-10-2011, 07:41 PM   #6
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Originally Posted by fungku View Post


I would love to see that!
Years ago, my boss bid a framing job that was to be built that way, due to the HOs daughter having acute allergies.

The building got framed to the beginning of the roof, all walls were 2x6s, standing vertical, side by side throughout the building.

The job ended up being shut down due to foundation failure and the walls were ordered taken down.

I wish I had pictures of that fiasco.
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Old 02-10-2011, 08:30 PM   #7
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Quote:
Originally Posted by loneframer View Post
Years ago, my boss bid a framing job that was to be built that way, due to the HOs daughter having acute allergies.

The building got framed to the beginning of the roof, all walls were 2x6s, standing vertical, side by side throughout the building.

The job ended up being shut down due to foundation failure and the walls were ordered taken down.

I wish I had pictures of that fiasco.
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Old 02-14-2011, 04:27 PM   #8
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Tell me where I'm going wrong. The 2 x 4's would be laid flat, 3 1/2" side down. It would take 64 2 x 4's (8',10',12' or however long you wanted your wall to be.) Would 3 1/2" of solid wood w/no gaps not be thick enough to provide enough insulation?
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Old 02-14-2011, 04:39 PM   #9
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Check this out, one of many many many sites out there to get this information, and no, 3 1/2" of pine would not provide a very good R-value 4.38 to be exact.

http://www.coloradoenergy.org/procor...f/r-values.htm

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