FAQ • Garex

Welcome to our garage door FAQ section!

As a garage door manufacturer, we have compiled answers to the most frequently asked questions to guide you in the selection, installation, and maintenance of your garage doors. Explore this section for expert advice and quick solutions to ensure the proper functioning and durability of our products. We are committed to ensuring your satisfaction, and our team of experts is available to assist you. If you don’t find the answer to your question, please don’t hesitate to contact us.


How to Install a new sectional garage door?

To install a new sectional garage door, follow these steps: 1) Measure the opening and order a door of the correct dimensions. 2) Prepare the space by clearing and cleaning the area. 3) Assemble the components according to the manufacturer’s instructions. 4) Attach the guide rails to the ceiling and walls. 5) Install the door in the rails and adjust its operation. 6) Connect the automatic opener if necessary. Professional installation is recommended to ensure optimal and safe operation. Here is a short video showing you all the steps to properly install your sectional garage door.

How to install a weather seal on a garage door?

Weather seals, also called perimeter weather seals, are essential for ensuring good insulation for your garage door. They are attached to the sides and top of the garage opening to prevent air and rain infiltration. Here are the steps for properly installing weather stripping on a garage door: 1) Measure the opening carefully, 2) Cut the seals to the correct length, 3) First attach the side seals using the provided staples, 4) Then, install the top seal by slightly overlapping it with the side seals. A meticulous installation of the weather stripping is crucial for an efficient garage door. For more information, consult our installation guide or contact our team.

How to install a garage door operator?

Installing a new residential or commercial garage door operator involves several technical and safety steps. First, it’s essential to properly prepare the space, install the guide rails, mount the door, attach the motor, and program the operations. For an optimal and safe result, it is highly recommended to hire a certified professional installer.

What is the difference between a residential and commercial garage door?

The main difference between a residential garage door and a commercial garage door lies in the frequency of use. Commercial garage doors are designed to open much more frequently than residential doors. Consequently, the operator and all hardware must be specifically adapted and reinforced to withstand this intensive use. Consult one of our authorized Garex dealers for more information.


How to align garage door sensors?

To properly align the security sensors of a garage door, first ensure they are securely fixed at the same height on each side, without obstructions. Use a level to position them perfectly straight. The lenses of both sensors should be face-to-face. Tighten the brackets well after alignment. If the beam is still interrupted, try aligning them again accurately. Refer to the manual for detailed instructions.

How to replace garage door springs?

The replacement of garage door springs must be carried out by a trained professional due to the risk of serious injury. The springs are under very high tension and their handling requires specialized skills and equipment. It is strongly recommended to call upon a qualified Garex door installer who can safely replace the springs and advise you on preventive maintenance to be carried out.

How to replace garage door panels?

To replace a damaged panel on your Garex garage door, follow these steps: 1) Order the new panel in the same color/texture from Garex. 2) Uninstall the damaged panel by removing the screws. 3) Slide the new panel into the vertical grooves. 4) Secure it with the provided screws. This way, you can easily replace a panel without having to change the entire door. This simple procedure will allow you to maintain an impeccable garage door for many years. Feel free to contact us if you need further information; our team of experts is here to assist you.

How to maintain and clean your garage door?

For optimal maintenance of your Garex garage door, follow these steps: 1) Regularly inspect the moving components and lubricate them as needed. 2) Clean the panels with soapy water and a soft brush to preserve their finish. 3) Check the alignment and tighten the screws if necessary. 4) Test the mechanisms and replace any defective parts. Periodic maintenance will allow your door to maintain its new appearance and safe operation for years. Do not hesitate to consult the Garex maintenance guide.

Where to buy replacement panels for a garage door?

If one or more panels of your garage door are damaged, it’s possible to replace them instead of changing the entire door. You can obtainthe panels from an authorized Garex distributor. To order the right one, you will need to provide the model and year of manufacture of your door, as well as the serial number listed on the existing panels. The distributor can then advise you on the color, texture, and type of panels to replace to ensure a perfect match with the rest of your door. A panel replacement is often much more economical than a brand new complete door.

Tips and tricks

Where can I buy my Garex garage door?

To purchase your Garex garage door, you must visit one of our authorized Garex dealers, as we do not sell our products directly. To find the dealer nearest to you, please consult our dealer locator.

How much does a new garage door cost?

The cost of a new garage door varies greatly depending on the model, material, size, and selected options. Generally, a well-insulated, high-quality steel residential garage door from Garex ranges between $1000 and $3000. To get a fair price for your project, it is recommended to request a detailed quote from an authorized Garex distributor in your area.

Where can I buy a new garage door opener?

You can purchase a new garage door opener from reputable brands such as LiftMaster or Linear directly from an authorized Garex distributor in your area. These retailers are able to advise you on the model that best suits your needs (1/2 HP, backup battery, etc.) and carry out a professional installation in accordance with safety standards. A well-installed and adjusted system is the key to reliable and safe operation over time.

What is the standard height for a garage door?

The most common standard height for a residential garage door is 7 feet (84 inches or 2.13 meters). However, garage doors can also have heights of 8 feet (96 inches or 2.44 meters) or even higher to accommodate taller vehicles or to allow for the installation of decorative windows above the door. It is important to take accurate measurements of your garage opening before ordering a garage door to ensure it fits perfectly.

How to manually open a garage door?

To manually open a garage door, you must first disengage the motor drive mechanism. Locate the emergency release cord, usually red, and pull firmly on it. This will unlock the trolley allowing the door to be opened by hand. Take necessary precautions as the door is very heavy. If you encounter any difficulties, consult the owner’s manual or contact a professional.

What to do if my garage door opens by itself?

If your Garex garage door opens unexpectedly, it may indicate a problem with the opening system or the safety sensors. Start by checking the alignment of the sensors, clear any obstructions, and clean their lenses. Make sure that no remote transmitter is stuck. If the problem persists, it may be necessary to repair or replace the opener. Improper adjustment of the closing forces can also cause this failure. For safe intervention, contact an authorized Garex installer for a diagnosis and proper adjustment.

How much does a standard garage door weigh?

The weight of a standard medium-sized steel residential garage door (9 ft x 7 ft) usually ranges between 150 and 250 lbs depending on the model and options chosen. Aluminum doors are lighter, around 100 lbs. Conversely, a large garage door with glazing or decorative overlays can easily weigh 300 to 400 lbs. This is why it’s essential to have a spring system and a door opener that are properly calibrated to lift the actual weight of the door safely.

Trends and inspirations

What colors are available for my Garex garage door?

Garex offers a range of 10 standard colors and also allows you to customize your door in any color of your choice from the Gentek selection. Please note that additional fees apply for custom colors. Try our Design Center tool to test the colors on your home or on our model homes.