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Old 10-10-2012, 02:45 PM   #1
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should i use 2x4 or 2x6 walls


im am using trusses to span 56 feet with a 4 1/2 pitch will a 2x4x8 wall with 1/2 in playwood be enough to hold the weight or should i use 2x6x8

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Old 10-10-2012, 03:10 PM   #2
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should i use 2x4 or 2x6 walls


Considering the total dead- and live loads for that span,you would almost certainly need 2x6s

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Old 10-10-2012, 03:34 PM   #3
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should i use 2x4 or 2x6 walls


Whatever the blue print calls for.
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Old 10-10-2012, 05:05 PM   #4
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should i use 2x4 or 2x6 walls


I wouldn't use 2x4, but then with our energy code we usually frame all exterior walls with 2x6.
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Old 10-10-2012, 06:05 PM   #5
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should i use 2x4 or 2x6 walls


Quote:
Originally Posted by arod26
im am using trusses to span 56 feet with a 4 1/2 pitch will a 2x4x8 wall with 1/2 in playwood be enough to hold the weight or should i use 2x6x8
2x4 walls are all you need. The size and weight of the trusses don't mean anything. You can build two and three stories with 2x4 walls.

Who's designing this and what is it for?
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Old 10-10-2012, 06:32 PM   #6
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should i use 2x4 or 2x6 walls


Quote:
Originally Posted by Hammer450R View Post
Whatever the blue print calls for.
A very important point.....

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Originally Posted by GBrackins View Post
I wouldn't use 2x4, but then with our energy code we usually frame all exterior walls with 2x6.
This is where it helps to know what part of the country your in.

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Originally Posted by Joe Carola View Post
2x4 walls are all you need. The size and weight of the trusses don't mean anything. You can build two and three stories with 2x4 walls.

Who's designing this and what is it for?
Agree.....this of course assumes your doing 16" OC.

With that said....I did my garage with 2x6's on the lower floor...and part of my 2-story addition is 2x6. For the garage....it was 2x6 because the plans said so....for the house, one of the walls spans a good distance...9' high....and is part of the family room where we will do most of our tv watching...I wanted the extra insulation....partially for temp control and partially for noise control.

Side note...given the quality of 2x4's we are getting today....I'm finding that it's easier to build a straight wall with 2x6's.
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Old 10-10-2012, 06:45 PM   #7
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should i use 2x4 or 2x6 walls


Speck house, use 2 X 4's.
Going to live it it, use 2 X 6's
With 2 X 6's you can go with R19 instead of R13.
Just order windows and doors with wider jambs to save a whole lot of extra work.
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Old 10-10-2012, 07:18 PM   #8
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should i use 2x4 or 2x6 walls


with 2x4 walls your not going to have the same insulation value in them.
but for actually framing with them have a engineer look over the plans for any possible issues that may need to be addressed such as turning certain walls into shear walls .. (1/2" plywood on both the outside and inside)
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Old 10-10-2012, 07:34 PM   #9
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should i use 2x4 or 2x6 walls


I agree with post #3. The total load may be handled by 2x4's, depends on the on-center spacing and height of the studs. Energy code accepts 2x4 as is 2x6- from Zone 1 through Zone 6: http://publicecodes.citation.com/ico..._11_sec002.htm

2x4 at two and 3 story have restrictions; http://publicecodes.citation.com/ico...002_par006.htm

2x4 are more efficient from an energy standpoint, compressing R-19 (low density) gives R-18, complete with inherent convective loops the R-13 (medium density) doesn't have, so you lose twice with 2x6; http://numsum.com/spreadsheet/show/21111

R-13 for 2x4 walls is just R-19 (2x6) compressed. You could use a medium or high density (2x6) batt for no convective loops, or just use cellulose or another better one than fiberglass.

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