Our Model 551 is manufactured with the same standards as all our commercial roll-up doors.
Size is limited to a maximum 12' wide by 12' high, with a reduced drive chain hoist standard on sizes over 10' wide by 10' high.
Quality design and strong construction allows for mounting to wood, masonry, or steel jambs.
| Door Height | Minimum Sideroom |
Minimum Headroom |
|---|---|---|
| Hand Operated - Pull Rope | ||
| Up to 8' | 4.5" | 16" |
| Up to 12' | 4.5" | 17" |