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Old 01-21-2010, 12:10 AM   #16
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We are not concerned with the top end. That part is simple enough, as you said, nail the false cathedral to the existing rafters would work.

The ceiling joists you have (or intend to) removed are the issue. They act to keep the rafters from pushing the wall out of plumb which (over time) will not be a good thing. The bottom chord of the triangle which makes up your roof stops the rafters from moving outward. It is a Tension member of the roof system and those ceiling joists are (or soon will be) missed.
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Old 01-21-2010, 01:19 AM   #17
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Thanks for the advice, I understand the importance of what you are saying, I need to get a framing carpenter to look at it, and way my options, $$$$$$ I may have to surrender and leave it flatttttttttt and thats not going to make "Sweety" happy and if MaMa aint happy, well you know!
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Old 01-21-2010, 02:16 PM   #18
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I'm glad this website exists. Even though my own structural questions could not be answered(due to complexity/liability/other), I'm very appreciative of the experts who share their plethera of wisdom, experience, and knowledge here on this board.(o.k. was that enough brownnosing?)

jmg, one of the local lumber supply companies might have an inexpensive structural engineer able to look at it. I'd recommend several opinions.

If you want a FREE basic CAD program to make reference or planning pictures, try GoogleSketchup.
The endpoints/planes/selection tools are a little quirky, but it makes simple boxes easily.
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Old 01-21-2010, 02:54 PM   #19
 
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"If the facts don't fit the theory, change the facts." Albert Einstein


Not a good idea in building construction, however. Good advice all around here.
Is "inexpensive structural enginneer" an oxymoron?
This Google Sketchup thingy looks very useful, thanks.

Last edited by funnyguy; 01-21-2010 at 03:03 PM. Reason: typo
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