How to measure for your new garage door (Measure your opening and fill in the dimensions)
A. Width __________ ft. _________ in.
B. Height __________ ft. _________ in.
You must have at least twelve inches (12") of headroom (C) to install your new garage door. Sideroom (D) requires four inches (4") on each side. If you plan to use an electric operator, the headroom increases approximately three inches (3") depending on manufacturer.
