Originally Posted by Heathy
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4x2 CLS C24, no calculation... it’s just a shed at the end of the day I thought when building it! As you can see I made them up like an A frame using triangles of PLY to give strength, later I added strips of PLY glued and screwed to the sides of the 4x2 because they did start to bow a fraction once more weight was added to to roof! In the end as a back up I now have 3 steel cables support/braces lower down to prevent any future movement and to stop the roof pushing the sides of the shed outwards.
If I could go back in time and had a larger budget I would use something more like 6x2 treated timber at 600mm spacings for the roof instead, or as you say, pay for a structural engineer to do the calcs. I suppose it comes down to if you want to build a shed or a proper building with planning and building regs involved..
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