: Measure the distance to the rear of the garage. It should be the door height plus 18 inches (or 50 inches if adding an opener).
Tips for commercial overhead door installation and replacement buy garage doors direct
Buying garage doors "direct" typically means purchasing from a factory-direct provider or a major retailer that bypasses traditional local dealer markups. This can save you money, but it requires you to handle more of the logistics, such as accurate measuring and arranging installation. : Measure the distance to the rear of the garage
: Measure from the top of the opening to the ceiling. Standard systems usually need 12–15 inches . which is mostly pro-installed
: Unlike its sister brand LiftMaster, which is mostly pro-installed, Chamberlain products are sold directly to consumers via major retailers for DIY installation.