how to measure a garage door

How to Measure a Garage Door
Tools Needed
1 tape measure
2 pen or pencil
Materials Needed
1 paper
Total Cost
$25-$50
Find a handyman
Estimated Time
30-45 minutes
Skill Level: Beginner
The total cost and duration may vary when hiring a handyman!

Project Overview

How to Measure a Garage Door

You might already have a garage door and are simply looking to replace the one you currently have. Then again, even if you don’t have one and are just considering a new installation, there are several good reasons to install a garage door. These include added security for your garage and home. If you’re worried, though, about the cost of a new garage door, you’ll likely be able to make it up through better energy efficiency. Measuring for a garage door is slightly more difficult than measuring for other doors in your home, but it’s still not insurmountable. You don’t need obscure tools or an expert grasp of construction. Rather, all you need is a tape measure and an ability to use it.

If you’re ready to get started on finding a garage door, whether you’re replacing an old one or installing one for the first time, here is where you start. These instructions will apply whether you’re looking to install a manual garage door or one that opens and closes automatically.

Step-By-Step Instructions

1

Measure The Width

How to Measure a Garage Door

You’ll start measuring for your new garage door by taking the most basic measurements, the width and height. Of course, you can take these measurements in any order you prefer, but for this example, let’s start with width. Measure the door opening at the widest point. Again, you’re measuring the door opening, not the frame if it exists. While you’re there, make sure that the inside of the door opening is framed with 2” by 6” wood jambs. Check the jambs to make sure they’re square and there is nothing out of the ordinary there, like jambs that are not square or anything else that’s going to prevent a good fit.

2

Measure The Height

How to Measure a Garage Door

As with the width, where you were measuring at the widest point, when you measure the height, you will want to measure at the highest point of the whole opening. This is going to be between the floor and the top of the door opening, not the frame. This is where a ladder and a helper can come in handy, because if you try to measure the top from a lower angle somewhere below, you’re likely not going to get the most accurate measurement. Make sure you and the top see eye to eye. Check here as well for anything out of the ordinary, making sure, for example, that the floor is level.

3

Measure The Sides, Also Known As The Sideroom

How to Measure a Garage Door

The sideroom is the space on either side of the door opening. This is where the vertical tracks for your garage door will fit. The exact space needed can vary by garage door manufacturer, but in general, you will need at least 3-3/4” on each side.

4

Measure The Headroom

Now you’ll measure what’s known as the headroom, or the area from the top of the door opening to the ceiling. Again, what you’ll need here will vary by who is supplying your garage door, but there should be at least 10” of space for the garage door itself and additional space for an automatic opener. If you don’t have enough space here for the garage door and/or an automatic garage door opener, you don’t have to give up there. You will need special hardware, which should be widely available, no matter whom your manufacturer is.

While you’re measuring the headroom, though, make sure there are no obstructions that will get in the way of your installation. Common obstructions that you might expect to find include, for example, ductwork, light fixtures, and pipes.

5

Measure The Backroom

You won’t only need enough room for your new garage door to sit in the frame. If you want to open it and you surely will, you’ll need space in the backroom for it to fit. The backroom is simply the area between the opening and the back of the garage or the nearest rear obstruction, like a light fixture. As a good rule of thumb, you’re going to need enough space here for the height of the garage door plus 18” and then additional space beyond that to fit an automatic garage door opener.

Conclusion

Now you’re ready to choose your garage door! You might have thought that this would be the easy part of your garage door installation, but once you get a look at the many choices you have, you might miss the simple days where you were just writing down measurements. Whatever choice you make, which will be dictated by your personal taste and by what your house looks like, you’ll be better equipped with the proper measurements.

How To Measure A Garage Door

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  1. Hunter Green Color Single Size Garage Door with Traditional Style and Steel Build Materialsview
    Hunter Green Color Single Size Garage Door with Traditional Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  2. Gray Color Single Size Garage Door with Classic Style and Steel Build Materialsview
    Gray Color Single Size Garage Door with Classic Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  3. Almond Color Single Size Garage Door with Classic Style and Steel Build Materialsview
    Almond Color Single Size Garage Door with Classic Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  4. Glacier white Color Single Size Garage Door with Contemporary Style and Steel Build Materialsview
    Glacier white Color Single Size Garage Door with Contemporary Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  5. Woodgrain Color Single Size Garage Door with Contemporary Style and Steel Build Materialsview
    Woodgrain Color Single Size Garage Door with Contemporary Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  6. Desert Tan Color Single Size Garage Door with Modern Style and Steel Build Materialsview
    Desert Tan Color Single Size Garage Door with Modern Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
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  8. Walnut Color Single Size Garage Door with Modern Style and Steel Build Materialsview
    Walnut Color Single Size Garage Door with Modern Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  9. Chocolate Color Single Size Garage Door with Rustic Style and Steel Build Materialsview
    Chocolate Color Single Size Garage Door with Rustic Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  10. White Color Single Size Garage Door with Rustic Style and Steel Build Materialsview
    White Color Single Size Garage Door with Rustic Style and Steel Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  11. Black Color Double Size Garage Door with Rustic Style and Composite Build Materialsview
    Black Color Double Size Garage Door with Rustic Style and Composite Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  12. Almond Color Double Size Garage Door with Traditional Style and Composite Build Materialsview
    Almond Color Double Size Garage Door with Traditional Style and Composite Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
  13. Woodgrain Color Double Size Garage Door with Classic Style and Composite Build Materialsview
    Woodgrain Color Double Size Garage Door with Classic Style and Composite Build Materials
    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
    Estimated Price: $499.00+
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Questions And Answers

Can a garage door be repaired?

Yes, you can have a garage door repaired. Depending on what is wrong with the door you may find it cheaper to just replace the whole thing. It is also important to keep in mind that because of the springs used in the door assembly, repairing can be dangerous.

How much is a new garage door?

To replace the door for your garage you are looking at $300, on the low end, for a single door garage. On the high end, it will cost about $2,000. The typical range for a garage door replacement is between $730 and $1,422. The national average for replacement is $1,607.

Why is my garage door not opening?

There are many reasons why your garage door would stop opening. You may have a blocked photo-eye. The remote may be malfunctioning. The torsion spring may be broken. You may have a loose or snapped cable. The door may be off track. There are also many other possible causes.

How much is a new garage door?

The cost of your new garage door will be dependent upon a number of things. First, the material used for the garage door, as well as how large the door is. Finally, will you need an automatic door system? If so, you need to calculate in that added expense.

How much is a two car garage door?

For a new two-car garage door to be installed, on the low side it cost about $2000. This price can vary greatly depending on the features you want, as well as the material that you wish to have your garage door constructed of. The price just climbs from there.

What kind of paint to use on a wooden garage door?

It is recommended that you use an exterior acrylic high-quality paint. Latex paint is able to be applied on top of oil or latex-based primer. Make sure that the surface is clean and old paint has been removed before sanding, priming, and ultimately, painting.

How much does it cost to paint a garage door?

Depending on where you are located, the cost of painting your garage door will run between $1.29 and 2.75 for each square foot. The cost can vary based on the type of paint that you want as well as other factors. Where you live may also have an effect.

How much are garage door panels?

Depending on the garage door a panel repair will cost you around $150 and up. A full panel replacement will cost $250 and up. Sometimes it can be the most cost effective to replace the whole garage door as opposed to replacing or repairing panels.

How do you measure for a new garage door?

First, measure the widest point’s width. Then, measure the highest point’s height. Next, measure the areas near the openings for the width. Then, measure the area in between the ceiling and door opening. Finally, you will measure from the nearest obstruction and the opening in the back of the garage.

How long does it take to put on a new garage door?

The timing of putting on a new garage door varies. However, the average installation of a new garage door is around three hours. The larger the door, the longer it is going to take. If you only have a small garage door, it should be a bit quicker.

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