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Posted by DanG on October 5, 2008, 8:19 am
Simple rule of thumb - nominal lumber size when doubled as a
header = span. So, a double 2x6 will span 6 feet. Your opening
will require double 2x10. 15" pieces of 2x2 can be installed
vertically to that the top is nailed to your new 2x10 and the
bottom is nailed to the 2x6. Repeat for all 2x6 involved. As you
have noted, solid block the ends of the 2x10s and add studs as
required.
If it will make you feel better, here is a header span table from
the Southern Pine institute:
http://newstore.southernpine.com/cgi-bin/newsopine/product?;5;
--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net
> I'd like to remove a load bearing internal wall by putting a
> beam in the
> attic and attaching it to the ceiling joists from above.
>
> I know this was general topic was discussed in April of 2008.
> "Dave in Houston" posted URL's for some pictures. They're gone.
> Can someone show me how this has been done before?
>
> The wall is on the upper floor of a 2-story home.
> The wall is near the center of the house, approx 9' long.
> The roof does not bear on the wall.
> The wall supports 2x6 ceiling joists, 1/2 inch ceiling
> sheetrock, and
> attic insulation. That's all.
>
> The attic is pretty accessible. I can put a beam up there,
> assemble it,
> and attach it.
>
> I'm very interested in advice about sizing the beam and
> attaching it to
> the joists. I'd like to see what has worked for someone else.
>
> I'm officially an engineer, so I understand the need to provide
> support
> all the way to the foundation. No problem.
>
> Thanks for your help!
> -- Mark
>
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