Most units hang from angle irons and metal straps that have holes drilled in them at regular intervals.
Hot to install a garage door opener.
Choose a garage door opener.
Attach the straps to the irons with hex head screws.
Align the opener s rail with the center of the garage door.
You ll need a nut wrench to secure the three segments that make up the rail.
Count each of the pieces if necessary.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
Attach the straps to the power unit with the hardware provided.
Prepare your garage door.
Preparing to install a garage door opener 1.
Assess whether you have the type of garage door that can have an opener attached.
Most newer garage doors with.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.
After that start to build the rail.