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what rafter size would be used on a "Lean To" style single span of 6.9mtrs?
Anonymous user 13/03/2024 - 2.31 PM
Hi what rafter size would be used on a "Lean To" style single span of 6.9mtrs. Total roof area 6.9 x 7.8 witha 15 degree pitch. Roof material colorbond trimdeck with plasterboard ceiling under side.
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2 Answers
Anonymous user
A single span of 6.9m is very large & in my opinion would justify paying a structural engineer to calculate the correct size of joists taking into account the roof covering you are intending to use.
Answered11 December 2012
0
Anonymous user
i would be surprised if you could get a beam long enough.
maybe use plywood i beams or easi joist beams. at least you will be able to lift them.
you will need structural calculations dont guess.
Answered11 December 2012
0