John, Mike...
I left an additional 3 inches to the door opening to allow for a second stud. The additional stud will actually be a 2 x 6 running from the slab to the header. the area for the door frame will be boxed to allow the roll up door to have an adequate mounting surface.

As for the roof, the gables will be on the side to match the house. I am working out the framing now, the trusses will be set 24 inches on center.

~ Craig
1958 Viking 4400
"The Book of Thor"
Read the story in the DITY
1960 Chevrolet C10
"A Family Heirloom"
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'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane