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garry_crabbsii

garage door rough opening issues

i am installing a 9x7 garage door. my rough opening is 9'3"x7'1-1/2". I understand the goal post concept but how do i close up the rough opening? do i just trim everything out with 1x6 ? which would bring my opening size to 9'1-1/2"x7'0-3/4..do i just leave a 3/4 air gap all the way around the door to get to my actual door size of 9'x7'?

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