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Yes and no.
Hope you're shoulder is on the mend:thumbsup:
Shoulder's killing me. Physical therapist decided to show me who is boss. First visit was a farce in my opinion. Today when he realized I had more range of motion I guess than he thought was normal he sent in the helper from hades and proceeded to have me doing exercises. Some of them I can do on my own at home. He told me to try to do them twice a day. I asked if I could do them three or four times a day. We'll show them if it kills us.
On the carport. I would box it using ten or twelve inch c purlins with cross pieces on four foot centers. You could get away with five but I would go fours. If there is no snow load issues I would go with a foot and a half pitch front to back twenty feet. I would go with the carport trim kits which make it look professionally installed and I would use the gutter too.
The biggest problem with a thirty foot span on a purlin is twist. I would lay down two rows of X's to eliminate that. I would put a strap, angle iron, pipe, tubing, solid rod, whatever, from the top of one purlin to the bottom of the one next to it. I would put another strap that is opposite of the first. You could get away with one set of X's but I would put in two.
This will be appreciated when it comes to installing the roofing sheets, especially when you get to the middle and the twist can be quite unnerving.
Probably the biggest mistake made by newbies is not getting the framework as square as possible. An inch here becomes a foot by the time it gets to there. Put down your first end sheet, get onto the roof, measure at each end for the edge of the second sheet, screw it down. But measure every sheet. And be sure you use the double sided sticky tape between sheets. Pull one side off and put it down on the previous sheet. Place the next sheet, put in a couple of screws, lift up the next sheet and pull the other side of the sticky tape, screw it down.