Garage door springs come in two styles.
How to install garage door opener track.
At a home improvement store purchase some rubber weather stripping.
Attach the straps to the irons with hex head screws.
Align the opener s rail with the center of the garage door.
Step 1 measure the garage door opening before purchasing panels.
Most units hang from angle irons and metal straps that have holes drilled in them at regular intervals.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.
Most common garage door track options.
The stripping is shaped like.
There are five basic garage door track options although the first two are by far the most common ones used in residential installations.
Overhead acting garage door track options are best described by the size or radius of the curved track component or by the amount of low headroom the door must fit in.
Insert the hinge and roller into the track and attach to the second door panel.
Torsion see above which mounts on the header above the door and extension photo 1 which floats above the upper roller track.
Order this size so the panels will be made slightly smaller fitting perfectly in the doorway.
Lay the panel flat on a workbench.
Drive in hinge screws to join the first bottom door panel to the second panel.
Use a tape measure to carefully record the length and width of the opening.
The panels will be about 1 4 in 6 4 mm smaller than the opening step 2 lay weather stripping over the bottom door panel.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
Check to ensure track is parallel to the door then screw the track to the wall framing.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.
Bolt the angle irons to a rafter or rafters with lag screws.
Attach the straps to the power unit with the hardware provided.