Here is a barn I finished about 12 mths ago. It is all steel construction as are about 99% of sheds built in Australia. This one was in a kit and it went together very well. I have also built other sheds to my own design out of all steel with a bit of a saving but not as much as you would think. This barn is going to be my daughters horse barn so we wanted to get certification from the local authority and needed the drawings along with the engineers calculations and certificate for the wind rating where we are and it is a lot cheaper to get the off the shelf kit which comes with all this information ready to submit to council. They are very strong and can be rated to build in cyclone areas. I do feel the all steel sheds do lack a bit of character though compared to those with a bit of timber framing. I have started fitting out one side for stables, there will be 4 boxes down that side, centre alleyway then tack room, feed room, hosing bay down the other side. I am using all hardwood timber that I am milling myself from our place using a bit oversize for the posts etc to give it a bit of character, mortice and tenon joints for character and strength. I'm milling spotted gum, yellow box and yellow stringy bark for the panel planks.
The actual building is C section for uprights and rafters then tophat section spanning the 4 metres, very easy building.
Ken
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