Our house is 40'x40', which includes a 6'x24' front porch.
The trussed section of our house is 16 feet wide, allowing for a 15 foot
wide space in the living room and master suite (subtracting for the 2x6
walls). There is an interior bearing wall that runs the length of the
house to support the inside end of the trusses.
My photos and time lapse video can explain it better:
Most building materials are 4' wide (plywood, sheetrock, etc.).
If you design your building on 4' increments, you will have less cutting
to do, and less waste overall. That saves you time and money. You'll also
end up with evenly spaced stud bays, which saves time when you install
Instead of 23'x30' I would go with 24'x28'. That just happens to be the
same size as our garage:
We built our house in 2003/2004, with no real prior experience. I
designed in lots of bearing support so there were no major point loads. I
used 2x10 floor joists (most spans are 12', except for the 15' spans in
our living room and master suite).
I used 2x12 rafters for the vaulted ceilings, mostly to accomodate the
Not counting our front porch, our house is only 1456 square feet. But the
vaulted ceilings, open spaces, and avoidance of hallways makes it feel
much larger. We love it!
On Jan 3, 1:34 am, email@example.com wrote:
It may use more lumber but it will be from smaller cheaper trees.
The load is distributed better. There are no large point loads on the
Trusses are available that allow for living space in the roof.
It allows the roofs to be factory manufactured off-site.
On 1/2/2013 7:34 PM, firstname.lastname@example.org wrote:
Truss roof design helps to keep ice dams from forming. As you asked
about in another post. If your father had a modern roof he wouldn't
have had the ice dam problem.
Trusses sit higher above the outside walls allowing a full layer of
insulation around the perimeter of the building and good sized
openings for attic ventilation. Adequate ventilation will keep the
attic much cooler in the summer helping to keep A/C costs down and
increase the life of shingles.
Figure in the carpentry cost to stick frame a roof and trusses are
I built my house with trusses. There are no interior supporting walls.
All the weight is supported by the outside walls. I could remove the
inside walls and rebuild a new interior if I wanted to.
Trusses can be designed to allow for attic space. Half of my house is
under a cathedral ceiling built from parallel chord trusses. Those
trusses could enclose an attic. Trusses come in an almost unlimited
variety of designs. Had you taken a moment to Google you would have
found this out for yourself.
This is the sort if information known by anyone in the building
industry. It's part of the education one gets by working for a living.
It's not the sort of thing one gets sitting in front of a computer
surfing the internet all day.
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