Headroom is the space between the top of the door opening and the underside of the lowest part of the ceiling above the door. An overhead door installation may still be possible even though the headroom is low. Using low headroom kits and special hardware the required headroom can be reduced to 4-1/2” depending on the door type. It is strongly recommended that you contact us in the planning stage of your building, especially for large overhead doors as they require more headroom. Inquire about Easy Lift Doors low head room options and we can determine which solution is best suitable for your overhead door.