The rubber gasket on the bottom section will fill the gaps created by an unlevel floor.
How to install an overhead garage door opener.
Then install the motor brackets.
The door must be level even if the floor isn t so use shims under the section to level it.
The stripping is shaped like.
After that attach the motor to the brackets and verify the rail is perfectly horizontal with a bubble level.
After that start installing the sensors.
Fix the door bracket in place.
Order this size so the panels will be made slightly smaller fitting perfectly in the doorway.
To hold the level in place tape it to the section.
Place the opener on a ladder and use scrap lumber to get it at the height you need.
If you re installing a garage door opener for the first time make sure that the opener will be located near an electrical outlet particularly of the power unit will be mounted on the ceiling.
Install an outlet or have one installed by an electrician as needed.
Center and level the first section after you install the brackets.
Follow the manufacturer s instructions to assemble the opener and mount the rail to the header bracket above the door.
Choose the type of garage door opener that best suits your home.
Lay the panel flat on a workbench.
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.
With a safety ring and a steel pin join the free end of the rail with the header bracket.
At a home improvement store purchase some rubber weather stripping.