Garage Door Repair Basics

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Most people are unfamiliar with garage door terminology. You can always contact your Door Doctor Montreal technician for in-depth details. We have discussed some of the most common garage door problems you could experience; let’s review garage door basics. This will help you have a better understanding of what can go wrong.

Garage Door Basics

There are several working parts and components which make up the entire garage door system. These can be broken down into three specific categories: the door itself, hardware components, and weather-stripping.


There is some general information you need to know about the door itself, which can affect how it works.

  • Garage doors can open either vertically (up and down) or horizontally (left and right);
  • Garage doors can be insulated or uninsulated;
  • Insulated doors are ideal for the warmer Canadian climates, as well as in colder northern climates;
  • Insulated doors have an R-value, which grades how effective they are at insulating the garage;
  • Doors with higher R-values have more insulation to keep out the heat and cold;
  • Certain types of doors are better at standing up to tropical storms and hurricanes;
  • Garage doors can be made of aluminum, vinyl, wood, steel, fiberglass, and PVC materials;
  • Some doors feature windows as part of their design;
  • The most common types of doors used on homes in Montreal are vertically opening, sectional doors.

Hardware Components

Garage door hardware is where things can become a bit confusing for most people. If you look on the inside face of the door, you will see a variety of components. These work together in perfect harmony to open and close the door when everything is working correctly.

Garage Door Basics | Commercial Door Repair | Door Doctor, CA

Lifting Cables: Your door could have lifting cables, which are attached to the door’s springs, allowing it to open and close.

Springs: Springs are an essential part of the counterweight system used in garage doors. This system makes it possible to open and close the door with one hand. Springs are typically one huge coil at the top of the door, but some designs also have secondary springs located over the door tracks. Secondary springs are more common on heavier styles of doors.

Hinges: The hinges are located between each section of the door. They help keep the door in place and allow each section to bend as the door opens or closes. You can tell the quality of the door by looking at the hinges. Better-quality doors use double hinges, which better support the weight of each panel.

Door rollers: On the side of garage doors are small rollers or wheels. As the door opens and closes, the wheels should roll freely inside the door tracks. If you want a quieter opening door, consider upgrading from galvanized steel to nylon door rollers.

Door tracks: The tracks are those metal pieces attached to the sides of the doors to allow it to open and close easily. In most homes, the tracks are suspended and secured to the ceiling of the garage.

Garage door opener: The opener is a motorized device attached to the garage door to automate its opening and closing. The opener has its own specific parts and components, including a lifting arm, manual disconnect, and chains.

It is advised to not attempt any repairs yourself. Contact your Door Doctor Montreal technician to fix it for you.

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