Here is a silly question. I am planning on building a 12'x16' shed
with 1/2" OSB sheathing. When I build the frame, should the actual
dimensions be 12'x16' or should it be 1 inch less in each dimension to
account for the 1 inch of OSB? Thanks for the help.
On Fri, 22 May 2009 11:13:18 -0700 (PDT), email@example.com wrote:
What do your blueprints say?<g>
Keep in mind that when you go to sheath the roof life is easier if you
can use full sheets or trim them slightly. Sheathing a roof that is
8'4" x 16' 6" is a royal PITA.
I'm sure there are plans online that will eliminate a lot of re-doing
as you work.
On May 22, 2:53 pm, firstname.lastname@example.org wrote:
I do need a permit. That is why the question came up. I am trying to
make a drawing to submit to the building inspector. In the past I
have done interior framing and always account for the drywall when
planning dimensions. So I was unsure if common practice is to make
the frame to the stated dimension, or should the dimensions describe
the full size with wall sheathing.
My original post might have been unclear, but I was referring to
sheathing the siding, not the roof.
On Fri, 22 May 2009 14:53:52 -0400, email@example.com wrote:
That is certainly a local thing. In Florida you need a permit for a
dog house, with stamped engineered plans.
The old dodge "it is not fastened down" only makes it worse here.
"Fastening down" is what the engineering is all about.
Those sheet metal or PVC storage buildings you get at the home store
are simply illegal. They tend to become missiles in storms with names.
You can probably get away with it but if one of your neighbors calls
you in, you will be taking it down.
I do agree with Jim. It is a lot easier to make the shed a little
smaller, cut a little off the T1-11and make your roof sheathing full
BTW if you want a set of engineered plans for a 12 x 16 shed (and a
couple other sizes) most Florida building departments have them for
If you are not in a wind zone you can back off on the simpson clips.
When I see how we build in Florida I do get a better understanding of
why those little dust devils they call tornados in the Northeast tear
so much up. The houses they built when I was in Md would not meet a
60-70 MPH wind code. It is 130 here.
You're in luck; this was a topic at last night's Habitat for Humanity
The measurement is 12 (or 16) feet, outside to outside of the corner
Start with the edge of the sheathing even with the edge of the corner
stud. Measure over four feet. This is the _center_ of a stud. Now
measure over eight feet. That, again, is the _center_ of a stud.
The tendency is to put the _edge_ of a stud at the 4- and 8-foot marks,
because, after all, the studs go every 16 or 24 inches, right? If you
do that, you wind up with the edge of the sheathing floating right
*next to* the stud.
The important studs are the ones at 4- and 8-foot intervals. All the
rest just need to be spaced at 16 inches, more or less.
Note: The sheathing will not form a butt joint at the wall corners.
That's OK--it'll all be covered by siding and trim.
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