I want to frame a regular roof without the use of trusses because I need the space inside and trusses wouldn't allow me enough room, plus I'd like to leave some of the wood exposed. Also, I don't want to use post and beam type construction. The house is 32x40 and the span will be 32 ft. with a 12/12 pitch and will covered with a metal roof. What size lumber will I need for the ridge beam and rafters to properly hold the roof up? Thanks.
2006-07-26 01:42:45 · 4 answers · asked by AvAtAr 2 in Home & Garden ➔ Do It Yourself (DIY)
I'm in Kentucky, not enough snow to matter, 12/12 pitch.
2006-07-26 01:48:38 · update #1
it's a 1- 1/2 story with bedroom upstairs on one side and on the other side of the house there is a loft overlooking the great room. With trusses, that would limit the bedroom space and loft space. Plus it wouldn't be very nice looking exposed.
2006-07-26 03:08:28 · update #2
what part of the country? is there a snow load issue? what pitch are you planning? Not enough info to answer
12/12 pitch means 12 inches of rise across 12 inches of run, or a line straight up
well not straight up but awful "A" framish
http://www.get-a-quote.net/quickcalc/gable_rafters.htm
2006-07-26 01:46:47 · answer #1 · answered by alaskanecho 4 · 0⤊ 0⤋
With that span, you really need to use trusses. You will need at the very least 2" x12" Rafters, with Collar Ties of the same dimension, And some serious Ceiling Joists. Your Ridge will need to be a 2"x 14" micro lam beam. I would rethink the trusses, they can be engineered to allow for attic space. With a 32' spam, your rafters will be almost 20' long.
A 12/12 pitch is a 45 degree angle along the hypotenuse, or 90 degrees at the ridge ( very, very steep)
2006-07-26 01:52:55 · answer #2 · answered by uncle bob 4 · 0⤊ 0⤋
The rafters should at least be 2x6's. Depending on where you live there are codes for all that kind of stuff. I'd recommend you talk to your local hardware store people or to possibly a civil engineer or someone that specializes in construction. You don't want to do all that work then find it doesn't meet code.
2006-07-26 01:49:01 · answer #3 · answered by devilishblueyes 7 · 0⤊ 0⤋
depending on where you live , there are building codes you must follow , basically do's and dont's for safety . i suggest you find out what the codes are for your state and get a book on wood contruction .
2016-03-16 05:37:37 · answer #4 · answered by Anonymous · 0⤊ 0⤋
2x6 or 2x2 depending on how old the roof is.
2006-07-26 02:17:14 · answer #5 · answered by Anonymous · 0⤊ 0⤋