Standard Garage Door Dimensions: Your Essential Sizing Guide

Selecting the right size for your garage door seems like an easy task to do, until you get down and start measuring.

Here are the common questions an expert would ask to the homeowners:

1. Is your opening considered standard size?
2. Do you need extra headroom?
3. Does your vehicle fit inside your garage?

You are not alone in this dilemma. There are many customers who do not understand the importance of choosing the right size of the garage door.

Therefore, this article will give you a breakdown and guide you on what is the standard size of the garage door is needed and the right size for your space. But, if you are still confused, you may call for professional help from a garage door expert.

Why Standard Garage Door Dimensions Matter

The size of the garage door is not just a matter of style, but it is an important factor to know how much space is needed and if your vehicle fits in your garage.

Moreover, the right size:

• Makes the garage door installation faster and more efficient.
• Improves the door’s insulation and may have energy efficiency.
• Gives more space for other vehicles.

Tip: Take note that an error can cause problems with the tracks, springs, and openers. That’s why it’s so important to know the standard dimensions of the garage door before installation.

If your opening doesn’t match standard dimensions, our installation service handles custom sizing without extra lead time.”

Quick Overview of a Standard Garage Door Dimensions

Most houses are built with standard sizes, because it is easier and more economical for builders to construct doors with standard measurements.

Typical Sizes for a Single Garage Door

A single garage door is only for one vehicle.

Typical Sizes for a Double Garage Door

A double garage door is only applicable for two vehicles and has one wide door opening.

Tip: If your garage has two doors, the doors will be the same size as the single door.

Breakdown of Different Sizes

Let’s check the garage door sizes in more detail so you can compare and to know what sizes you need for your garage at home.

Single Garage Door Standard Dimensions

This is only recommended for small space garages with a single car.

Tip: Go for a wider door! More space means no mirror damage or awkward parking spots.

Double Garage Door Standard Dimensions

Recommended for large garage openings with two cars.

Pro Tip: It is ideal that a double garage door is an 18 feet wide. It offers flexibility in terms of parking spaces and extra space between two vehicles, especially if the drivers want to park at a distance from each other.

Standard Height Measurement for a Garage Door

Most people are concerned about the width, but the height is just as important.

Standard garage door height:

• 7 feet: This height measurement is the most common size in residential homes
• 8 feet: This height measurement is for vehicles with roofs or lifted trucks
  • Only select the 8 foot height if:
    • You have roof boxes on your vehicle.
    • You have ladder racks installed on your vehicle.
    • You have a lifted suspension system.
    • You have a van with a high roof.

Tip: It is cheaper to select the proper height now instead of reconfiguring the frame later.

Garage Door Rough Opening Standard Dimensions

Standard dimensions for garage door rough opening are usually the same as the house door’s dimensions. Also, you need to take note that the rough opening is the frame where the door will be installed.

• Width: 16 feet
• Height: 7 feet

Rough Opening Checklist

You must know that the opening has:

• Solid wood framing
• Level floor
• Square corners
• No drywall covering the frame edges

Tip: Small issues with the framing can cause delays in the installation process.

Standard Dimensions for Garage Door Headroom

Headroom is the distance from the top of the door opening to the ceiling. This is the area where the tracks, springs, and opener system will be placed.

Standard garage door headroom dimensions:

• 12 inches: Extension spring system
• 15 inches: Torsion spring system (most popular)

When You Need More Headroom

You will need additional headroom if you want to install:

• Automatic garage door openers
• High lift track systems
• Car lift systems
• Storage racks above the door

Tip: Low headroom kits are available, but it will add to the cost of the hardware.

How to Measure Your Garage Door Opening?

It is important to measure your opening correctly in order to avoid any errors, and here are the steps on how to measure your garage door opening.

Here are the steps on how to measure your garage door opening:

1. Width: Left to right inside the frame
2. Height: Floor to top of opening
3. Side Room: Space beside the opening. It must have 3 to 5 inches required on each sides.
4. Headroom: Top of opening and up to the ceiling
5. Backroom: Opening to the rear wall. The height of the garage door must be a minimum of 18 inches.

Choosing the Right Size for Your Needs

While standard sizes are perfect for most homes, your lifestyle also plays a part in your decision. You must consider the type of vehicles you have and the space of your garage.

Consider Your Vehicles

You must answer these questions for yourself:

• Do you own large SUVs or trucks?
• Do your mirrors open wide?
• Do you anticipate buying new vehicles in the near future?

Tip: Your vehicles are much easier to park inside your garage if your garage door is taller than the normal size.

Consider Your Storage and Workspace

You need wider garage doors if you:

• Store bikes or tools near the entrance.
• Use your garage as a workspace.
• Need to move equipment in and out of your garage.

Plan for the Future

Future home upgrades may require extra room in your garage.

You may need to accommodate:

• Overhead storage
• Vehicle lifts
• Taller vehicles
• Insulated doors

Custom Garage Door Sizes

Not every home is designed with standard sizes in mind.

Custom garage doors can be used in:

• Old homes
• Luxury homes
• Garages of RVs
• Residential buildings designed with a commercial look

When to Choose Custom Door Sizes

Choose custom garage doors if:

• Your garage opening is not in a standard width
• You want garage doors that are extra tall which is 9 to 12 feet tall
• You want oversized doors for your vehicles

Common Mistakes to Avoid

Mistake #1: You Only Measured the Existing Door

Don’t just measure your existing door panel. Measure your door opening!

Mistake #2: You are Not Considering the Headroom

You must consider and measure the headroom for your garage door tracks and openers!

Mistake #3: Opting for Too Tight of a Fit

Leaving some extra room for your garage door to open will save you from damaging your vehicle.

Mistake #4: Not Thinking of the Future

You must think ahead, especially if you plan to buy another car, because what if your sedan turns out to be your next truck? Then, it would be a big problem if you only have a small sized garage door as well as the space inside your garage.

Final Thoughts

Finding the ideal standard garage door dimensions doesn’t have to be a problem. However, to find the ideal standard garage door dimensions you always have to consider the space size of your garage, the size or number of vehicles, and any upgrades you might want to do in the future.

You can save money and make installation faster and more efficient if your garage space meets the standard garage door dimensions. However, if your garage space doesn’t fit the right standard size of your garage door, you can choose from various garage door options. You can also seek help from a garage door expert to find the right size for your garage door.

A garage door that’s the right size can make your life easier than you think. However, if you are still in doubt, here are some detailed articles that you can read as additional references to guide you to garage door sizes and to know what are the common mistakes to avoid in garage door installation.

FAQs

Q1: What is the standard garage door width for a single car?

A: The standard garage door size for a single car garage is between 8 and 10 feet wide.

Q2: What are the standard dimensions for a two car garage?

A: If you own two cars in your house, the standard size is usually 16 feet in width and 7 feet in height. However, some garage doors may be as wide as 18 feet to give extra space.

Q3: What size of the headroom do I need for my garage door opener?

A: The standard headroom required is 12 inches when using an extension spring system and 15 inches when using a torsion spring system.

Q4: Can I use the standard garage door size for an oversized vehicle?

A: It depends, because some vehicles (SUVs and trucks), may require a height of 8 feet garage door or extra wide garage doors to accommodate the vehicle.

Q5: How do I measure the rough opening of my garage door?

A: The measurements required include the width from two opposite sides of the frame, the actual height of the frame, side room (distance from the side of the frame and the side wall), headroom (distance from the top of the frame and towards the ceiling), and backroom (distance from the garage opening and the back of the garage). Double check the measurements to ensure accuracy.