How much headroom is required above a commercial or industrial garage door? | Garaga

How much headroom is required above a commercial or industrial garage door?


There are different lift types for commercial, agricultural or industrial doors. When we talk about a “Standard” lift movement, here are headroom requirements based on the type of hardware:



Type

Radius: 12 in.

Radius: 15 in.

 2 in. Commercial
Door height: 8 to 12 ft.
12 in. n.a.
 2 in. Commercial
Door height : over 12 ft.
13 ½ in.15 in.
3 in. Industrial n.a. 15 in.

 

Note : if you use a trolley-type operator, add 2 ½ inches.


IMPORTANT:do not use a “Standard” lift movement if you have over 2 ft. (61 cm) of headroom. Use a “High Lift” movement. It is important to leave clear space above the garage door. 

 

For Low Headroom applications, the minimum headroom requirement is this following:


Type

 Low Headroom
Rear installation

 Low Headroom
Front installation

 2 in. Commercial
Door height: 8 to 12 ft.
4 in. 8 in.
 2 in. Commercial
Door height : over 12 ft.
4 in. 10 in.
3 in. Industrial11 in. 13 in.

Note : if you use a Trolley type operator, add 2½ inches.


Headroom commercial/insdustrial garage door