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jmpn 05-29-2009 05:42 AM

Supporting a cathedral ceiling
 
Doing renovation and would like to remove the western wall supporting a 20' cathedral ceiling span.

The cathedral ceiling sits perpendicular to the rest of the home and the wall supporting it is currently 2"x4" 8' 16"oc but is only resting on the flooring 3/4" running between the floor trusses, not directly on top of any floor truss. There is the standard truss above the kitchen and a 12" lam beam sistered to it that is currently sitting on top of the above mentioned wall.

Not sure how removing the supporting wall would affect the outward pressure, but am curious as to what I can expect the engineer to say about bottom support.

Will I need a post in the middle going down to foundation with footing?

Can I add an additional Beam, steel I or lam, and span from outside wall to steel I Beam in center basement?

Any thoughts would be appreciated. Really don't want another support beam in an odd place in the basement. Not to mention the mess/cost of putting in a footing.

Thanks,

Jack

md2lgyk 05-29-2009 08:46 AM

What you need is a structural engineer.

Scuba_Dave 05-29-2009 04:20 PM

Yup, only an engineer will be able to calc the loads & distances

howdydode 05-30-2009 08:47 PM

what they said.

you got to "transfer the load" impossible to explain over the computer.

Someone has to come in and see where the load can be transfered to, this may include new footers, beams, beefed up walls. Call an engineer or a reputable contractor to do this. a sagging roof in a couple years or a few bucks right now.

jmpn 06-01-2009 10:29 AM

Thanks
 
Thanks,

engineer examined and indicates the existing structure will still be sufficient after existing wall is removed and no additional posts, footings, etc... need to be added.

Jack


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