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Old 01-12-2008, 10:44 PM   #1
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Interior Wall - don't think it's load bearing???


Hello - first post here.

We have an interior wall that we want to open up by cutting out an 11' wide opening (bottom of opening ~ 34" AFF; top of opening ~ 10" BFC)
The overall length of the wall is ~ 17'.
Pictures of wall and attic to follow.

Details:
House: concrete slab built in '68
Roof: fully trussed
Truss span: 29' ext. wall to ext. wall

The wall is just about center of the truss.
The top plate of the wall framing is a single top plate only.
The wall does run perpendicular to the rafter.

My understanding is that with a trussed roof the interior walls are NON load bearing.
Please reiew and if someone is 'certain' based upon the info here please let me know.
I know the general concensus is to get an engineer to do a survey - I'm just hoping this is a no-brainer and go from there.

The following three pics are the trusses left & center, and a pic of the top plate for the wall. The top plate is a single layer 2x4 and is flush w/ the top of the drywall.




Here are pics of the wall along w/ an exterior pic of the house/roof.



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Last edited by CZSteve; 01-12-2008 at 10:48 PM.
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Old 01-13-2008, 02:00 PM   #2
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Interior Wall - don't think it's load bearing???


Below this wall in the basement is there any substantial beams or support posts?

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Old 01-13-2008, 02:09 PM   #3
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Interior Wall - don't think it's load bearing???


Redline,

House is a slab-on-grade foundation; no basement.
Thoughts?

Thanks
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Old 01-13-2008, 02:17 PM   #4
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Interior Wall - don't think it's load bearing???


With the span and the design of the truss it appears that it is more than likley a load bearing wall.

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Old 01-13-2008, 03:06 PM   #5
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Interior Wall - don't think it's load bearing???


Is it common for a load bearing wall of ~ 17' to only have a single layer top plate?
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Old 01-13-2008, 04:06 PM   #6
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Interior Wall - don't think it's load bearing???


Have you opened the wall to look at the plate to see if it is a double plate? You cannot tell, just by looking at drywall, and a small section of a close-up.

To get a better picture of what you are looking at, take a wider angle picture of the wall in the attic, and maybe sit down and draw out the floorplan.

My wife wants to remove the wall between our kitchen and Dining room to open up the area, but it is a Load bearing wall, and will need a Lamm Beam, or doubled 2x8 to support that section, even though the 2x6 framing between the Living to kitchen meets in the middle of the house.
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Old 01-13-2008, 04:24 PM   #7
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Interior Wall - don't think it's load bearing???


Gregzoll

The top plate had been drilled in a couple locations for dropping coax (one is pictured).
Both drilled locations were on a single 2x4 top plate.

We're wanting to cut an opening 11' wide w/ the bottom of the opening 36" above the floor and up to 84" above the floor (ending 12" from 8' ceiling).

I am NOT a structural engineer, but always thought a load bearing wall would have at least a double top plate.
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Old 01-13-2008, 04:44 PM   #8
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Interior Wall - don't think it's load bearing???


Here is the only decent photo of a load bearing wall, that I could find.http://www.flickr.com/photos/paulmtl/234568788/
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Old 01-13-2008, 05:21 PM   #9
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Interior Wall - don't think it's load bearing???


Gregzoll

Is that a project you did?
How long is that span for the doubled 2x10's beam?
That wall looked as though the top plate consists of doubled 2x4's
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Old 01-13-2008, 05:30 PM   #10
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Interior Wall - don't think it's load bearing???


Again, that is something that I found doing a search, not a project of mine.
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Old 01-14-2008, 04:36 PM   #11
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Interior Wall - don't think it's load bearing???


Quote:
Originally Posted by CZSteve View Post



...We're wanting to cut an opening 11' wide w/ the bottom of the opening 36" above the floor and up to 84" above the floor (ending 12" from 8' ceiling).

I am NOT a structural engineer, but always thought a load bearing wall would have at least a double top plate.
You could just install a 12" double header near the ceiling.

It may only have a single plate but it may have weight on it.
A double plate would be used if this were a two story house or the load was heavier.

Where does this wall line up with the truss? Near the center?

Are the trusses sitting directly above the wall studs?

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