High lift equals distance from top of door to bottom of horizontal track.
Maximum high lift equals headroom available minus 12″.
■ LOW HEADROOM REAR MOUNT
Headroom: 4-1/2″ Required
Sideroom: 7-1/2″ Required
Headroom = Top of door to nearest obstruction (truss, ceiling, or light fixture). Up to 3″ of additional headroom may be required for a trolley door opener.
Dimensions listed cover the most common applications on doors up to 8’0″ high using 2″ track.
Holmes Garage Door Company® offers a complete line of top quality garage doors including traditional raised panel doors, carriage house style doors and contemporary styles.