Convert Double Garage Door to Single: A Step-by-Step Guide

Joan Aug 08, 2026

Are you looking to convert your double garage door into a single? This change can be beneficial for various reasons, such as reducing energy loss, improving security, or simply esthetics. However, it's a project that requires careful planning and execution. Let's delve into the process, discussing the key aspects, considerations, and steps involved.

garage door makeover before and after with text overlay that reads, before and after garage door makeover replace a double garage door
garage door makeover before and after with text overlay that reads, before and after garage door makeover replace a double garage door

Before we dive into the details, it's crucial to understand that altering your garage door's configuration isn't a one-size-fits-all project. The complexity and cost can vary significantly depending on factors like your garage's size, layout, and the type of garage door you have. Therefore, it's recommended to consult with a professional garage door service before starting any work.

DIY Garage Door Replacement
DIY Garage Door Replacement

Assessing Your Garage Space

Before you start, it's essential to assess your garage space to ensure a single garage door will work efficiently. Consider the width of your garage, the size of your vehicles, and how much space you need for parking and storage.

Double garage door conversion with SWS SeceuroGlide LT insulated roller garage door in black
Double garage door conversion with SWS SeceuroGlide LT insulated roller garage door in black

You'll also need to check the header beams above your garage door opening. In a double garage door setup, these beams are usually supported in the middle. If you're converting to a single door, you might need to beef up the support, depending on the type of header beam you have.

Choosing the Right Garage Door

How To Replace Your Garage Door With French Doors
How To Replace Your Garage Door With French Doors

Once you've decided that a single garage door is feasible, the next step is choosing the right door. The most popular types are sectional, roller shutter, and one-piece overhead doors. Each type has its pros and cons in terms of cost, durability, and aesthetics.

Consider the architectural style of your home, your budget, and your specific needs. For example, if you have limited space in your garage, a roller shutter door might be the best choice due to its compact size when open.

Planning the Installation

18+ Stylish Garage Door Conversion Ideas
18+ Stylish Garage Door Conversion Ideas

Installing a single garage door involves several steps, including measurements, ordering the door, removing the old door, and installing the new one. It's a task that typically takes a few hours to complete, but it requires careful planning and precision.

You'll need to gather specific tools like a ladder, a tape measure, a drill, a level, and a circular saw. If you're not comfortable doing the work yourself, hiring a professional garage door installation service is a safer and more efficient option.

Preparing for the Conversion

How To Replace Your Garage Door With French Doors
How To Replace Your Garage Door With French Doors

Before you start the conversion, there are several safety precautions to take. This includes disconnecting the garage door opener from the power supply, blocking the track to prevent the door from moving, and wearing appropriate safety gear.

You'll also need to prepare your garage space by removing any obstacles that could hinder the removal of the old door or the installation of the new one. This might include clearing out stored items, moving vehicles, and protecting nearby surfaces.

Before and After Garage Door Transformation - Skyline Flush in Black
Before and After Garage Door Transformation - Skyline Flush in Black
WalkThru Garage Doors
WalkThru Garage Doors
9 Garage Door Makeover Upgrades
9 Garage Door Makeover Upgrades
Easy Garage Door Makeover Before and After Curb Appeal
Easy Garage Door Makeover Before and After Curb Appeal
Double Garage Door Conversion | Access Garage Doors
Double Garage Door Conversion | Access Garage Doors
Our Garage Renovation • The April Blake
Our Garage Renovation • The April Blake
21 Gorgeous Garage Door Designs Ideas for a Modern Exterior
21 Gorgeous Garage Door Designs Ideas for a Modern Exterior
Garage door ideas 2026 modern black glass panel design for stylish curb appeal homes
Garage door ideas 2026 modern black glass panel design for stylish curb appeal homes
How to Close in Garage Door Opening - STUDS DRYWALL - Conversion to Bedroom Office or Living Space
How to Close in Garage Door Opening - STUDS DRYWALL - Conversion to Bedroom Office or Living Space
Two to One Garage Door Conversion
Two to One Garage Door Conversion
Garage Doors Pasadena CA
Garage Doors Pasadena CA
Cheap DIY Garage Door Makeover
Cheap DIY Garage Door Makeover
before and after photos of a house in florida
before and after photos of a house in florida
two black garage doors are open in front of a brick building with the number 414 on it
two black garage doors are open in front of a brick building with the number 414 on it
Carriage Door Photos - Gallery of Wood Barn Style Garage Doors
Carriage Door Photos - Gallery of Wood Barn Style Garage Doors
a brick house with double doors and windows
a brick house with double doors and windows
Easy Garage Door Makeover Before and After Curb Appeal
Easy Garage Door Makeover Before and After Curb Appeal

Removing the Old Garage Door

With the safety precautions in place, you can begin removing the old garage door. Start by removing any hardware that's securing the door to the track and the wall. Then, carefully remove the door from the track, ensuring you don't damage it as it could be reused in case you change your mind or sell your home.

Once the door is off the track, you can proceed to remove the track and the header beams if they need to be reinforced or replaced. Remember to label each piece as you remove it to make reinstalling the new door easier.

Installing the New Garage Door

With the old door completely removed, you can start installing your new single garage door. Begin by installing the header support if needed. Once in place, install the side and header tracks according to the manufacturer's instructions.

Next, install the new door. Typically, you'll need to align it within the opening, secure it to the tracks, and then secure it to the wall. Ensure that the door operates smoothly along the tracks and that the safety features are functioning correctly.

Testing and Final Touches

Once the new door is installed, you can reconnect your garage door opener and test the door's operation. Ensure it's opening and closing smoothly and safety features like the photo-eye are working correctly.

Finally, take a step back and enjoy your new single garage door. If you've done the work correctly, it should improve your garage's functionality, efficiency, and esthetics. Don't forget to maintain your new door regularly to keep it operating at its best.