05:15PM | 04/23/04
Member Since: 04/22/04
1 lifetime posts
I am building a workshop. Wood frame, pier and beam, plywood floors, metal siding. Three windows and one personnel door have already been framed in with 2x6 headers and sills. Now comes the garage door question, what is this framing going to look like for a 8' wide by a 7' tall garage door? I bought 2 treated 2x8s for the header and one treated 2x6 for each side of the door to hold up the 2x8s. I am getting so many different opinions from ********** and Lowe's "professional advisors" and I know most of them aren't even good framing practice. Any help on this issue?

The door will be a standard sectional garage door that runs up steel tracks with a spring loaded lift. Is the garage door itself exactly 8' wide and 7' tall? Do I need to allow for the door being wider than 8' or it is exact and I need to make the opening a couple of inches narrower?


03:40PM | 04/24/04
Member Since: 01/28/03
693 lifetime posts
The finihsed opening for your garage door will need to be exactly 8' wide and 7' high.

This means if you intend to use the 2x6 treated lumber as 'jacks' for the header, the distance from 2x6 to 2x6 will be 8'.

Since you are using 2x8s for the header, there should be at least 3 2x8s for the header with 1 3/4" peice of plywood laid between them. This will give you a header thickness exactly the same depth as the 2x6s (5.25").

This header and the jacks should be placed flush with the block toward the inside of the garage door opening.

At this point you need to fasten a 2x6 across the header flat on the inside of the header that will be supported by 2 2x6s from the concrete floor on the inside of the block to support it.

These interior 2x6s are necessary to fasten both the track mechanisms on each side of the interior garage door opening and also the drive mechanism above the door for a mechanical opener.

e me if you don't understand:

[email protected]


07:27PM | 06/20/07
Member Since: 06/19/07
1 lifetime posts

Your question is pretty much exactly like mine. I notice you posted this 3 years ago. Would you mind sharing with me what you ended up doing. I am enclosing a carport, the opening (not framed for an overhead garage door yet) is 8'3 wide and 7'4" tall.

Any thoughts or advice would be much appreciated.


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