An extension spring is generally mounted above horizontal tracks extends from front of door opening to the back hang and provides lifting power by stretching.
Garage door parts terminology.
A garage door with a flush design is flat with no indentations or grooves.
Springs are under extreme tension.
All steel garage doors are galvanized.
Vertical track the track your door is secured in will allow your door to slide up and down or left and right inside this track via tiny wheels or rollers that are mounted to the garage door itself.
If you look inside your vertical track you ll see small wheel shaped parts.
Garage door opener garage door openers consist of all the hardware that combines to open and close a garage door.
Galvanizing galvanizing is the process of coating steel to prevent rusting.
Long panels and short panels have rectangular patterns along the garage door.
Bottom bracket fixture that attaches to the bottom of the bottom panel and carries the door roller typically has a stud that the garage door cables attach to.
They allow your garage door to travel up or down the vertical track easily when it s opening or closing.
There are many kinds of panels.
Panels this basically refers to the main garage door itself or smaller sections if it is comprised of individual pieces or panels.
Bracket also called jamb brackets used to attach the garage door vertical tracks to the framing on either side of the garage door opening.
These are known as rollers.
The garage door parts you see from the outside are the panels.