Reply by Grandpa

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Posted on Framing a roof. Stick or trusses?

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3259 posts in 2640 days

#1 posted 05-02-2013 03:21 AM

I suppose it depends on the area and the weather. In Oklahoma we use rafters 24 inches on center. The ceiling joists are 16 inches on center. We use 2×6’s for raters and adjust the joists according to the span. You should be able to use 2×6’s easily on this little shed. The ridge pole is usually a 2×6 or 2×8. The pitch can change things. If you are using a 12/12 pitch then the verticle cross section is substantila even on a 2×4. I have seen lots of OLD homes with 2×4 rafters with a steep pitch. These are a hundred years old ( that is old in our country). We didn’t become a state until 1907. We design for wind load. It is greater than our snow load. The thing you HAVE to do is talk to the inpsecter and keep him happy. Don’t use screws. They break easier than nails. Easy to use and hold well but also break easily.

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