Contemporary doors are 1-3/4” thick and come in standard heights of 6′ through 18′, with the standard headroom requirement of 12″. Low headroom kits are available. For 18-foot-wide doors, the maximum height is 8′.
Height of Door |
Number of 21″ Panels |
Number of 24″ Panels |
Total Panels |
6′ |
|
3 |
3 |
7′ |
4 |
|
4 |
7’3″ |
3 |
1 |
4 |
7’6″ |
2 |
2 |
4 |
7’9″ |
1 |
3 |
4 |
8′ |
|
4 |
4 |
8’9″ |
5 |
|
5 |
9′ |
4 |
1 |
5 |
9’3″ |
3 |
2 |
5 |
9’6″ |
2 |
3 |
5 |
9’9″ |
1 |
4 |
5 |
10′ |
|
5 |
5 |