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Old 07-23-2011, 05:56 AM   #1
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Garage door framing

I'm putting up a new garage. (myself?)

Cement is done, 32 x 32 w/12" curb wall all around. (except doorways)

Question: garage door openings were left at 9'6", I expected 9'3"....

Any suggestions how to frame? just double the jamb on each side?

Thanks, Mike


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Old 07-23-2011, 07:14 AM   #2
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You'd frame it based on the door size rough opening and close it down to that.


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Old 07-23-2011, 07:38 AM   #3
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The 3" difference is usually allowed to have the last framing members go all the way down to the slab so the bottom of your jambs have something to fasten to.

1-1/2" on each side = the 3"

I like to use pressure treated 2x since it will be end grain sitting in a potentially wet area.
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Old 07-23-2011, 09:19 AM   #4
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I usually slope the header piece of the jamb and hold the two legs of the jamb off the floor about 3/8 inch to keep water from wicking into the jamb.
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Old 07-23-2011, 11:17 AM   #5
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In addition to what the others said, the rough opening for your overhead door should end up being the size of the door itself. For example 9'wide by 7' high door should have a rough opening of 9' x 7'. Once you put your finish jambs in and the weatherstrips, you'll have an inch+ overlap onto the door.
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