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I’m building a timberframe barn to use as my woodshop.The roof will be made from 2×12 common rafters, with 1/2″ ply sheathing. Not sure if I will use galvanized metal roofing or shingles yet, but leaning toward metal. Do I need a support in the middle of the rafters? The building is 32ft wide, rafters on 24″ centers.
Thanks!
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Randy,
Take a look at this
http://www.cwc.ca/design/design_tools/calcs/SpanCalc0399/Span_US.htm
Ken
*Cool site. Thanks Ken!
*No problem.Someone else posted it sometime ago. I'm just passing it on.
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I'm building a timberframe barn to use as my woodshop.The roof will be made from 2x12 common rafters, with 1/2" ply sheathing. Not sure if I will use galvanized metal roofing or shingles yet, but leaning toward metal. Do I need a support in the middle of the rafters? The building is 32ft wide, rafters on 24" centers.
Thanks!