My dad wants an open carport 20x30 with just a sheet metal roof, and of course very inexpensive given it is just covering some equipment,
He wants to use four 6x6 placed at 0', 10', 20', 30' on each side and then use minimal rafters to span the 20' (using 2x12') and support roof. Since the weight it needs to support is only the sheet metal/clear plastic roof, can this be done with just 7 rafters at the same location as the posts (tied together with 2x6 or if not every 5' then ??
The other option would be to use steel (he was a good bit of 2x4 and 2x6 laying around).
thanks
He wants to use four 6x6 placed at 0', 10', 20', 30' on each side and then use minimal rafters to span the 20' (using 2x12') and support roof. Since the weight it needs to support is only the sheet metal/clear plastic roof, can this be done with just 7 rafters at the same location as the posts (tied together with 2x6 or if not every 5' then ??
The other option would be to use steel (he was a good bit of 2x4 and 2x6 laying around).
thanks
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