Common Garage Door Sizes You Should Know Before Buying

If you’re planning a garage upgrade or new build, understanding standard garage door sizes can save you time and money.

Choosing a common door size avoids costly custom orders and ensures an easier, smoother installation. Let’s explore the best options.

How to Measure for a Garage Door

• Measure Width, Height, and Clearance
  Use a tape measure to record the exact width and height of your garage door opening.
  Leave space on each side—track systems often require at least 3-3/4 inches for proper operation.
  Also, measure from the top of the opening to the ceiling. Most doors need at least 10 inches of headroom. Account for Trim and Finishing
  During construction, allow space for trim. Standard trim reduces the opening width by about 1-1/2 inches.
  If trim is already in place, simply measure the finished opening. Accurate dimensions will ensure the door fits perfectly.

Standard Garage Door Sizes Explained

Single-Car Garage Doors

Most standard garage door sizes for single-car garages range from seven to 10 feet wide.

Heights are typically seven or eight feet. The most common size is nine feet wide by seven feet high.

Smaller doors work well for golf carts or tool storage. Larger doors offer extra room for wider vehicles or gear.

Two-Car Garage Doors

Standard two-car garage doors measure 16 feet wide and seven or eight feet tall.

Some homeowners choose two eight-foot doors instead. This option adds structural support and often looks more attractive.

If you prefer automation, install two openers or a tandem model to operate both doors smoothly.

Triple-Car Garage Doors

These oversized doors can reach 32 feet wide and up to eight feet tall.

Though uncommon, they allow more space between vehicles and offer easier access.

Still, they require expensive framing and can overwhelm your home’s exterior. Instead, consider a mix of single and double doors.

RV Garage Doors

RV garages need more height. Most doors for RVs are 12 feet wide and either 14 or 16 feet tall.

This size fits nearly all RVs on the market today. Measure your vehicle to confirm the right fit before buying.

Why Standard Sizes Matter

Using standard garage door sizes cuts down on costs and makes replacements easier in the future.

You’ll also have more opener and hardware options. Custom sizes limit your flexibility and increase labor during installation.

Final Thoughts

Now that you know the typical sizes, you can confidently pick the best fit for your garage and vehicle.

Always measure carefully, consider your future needs, and plan ahead to avoid costly modifications.

Stay Informed, Stay Prepared

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A well-cared home starts with the right knowledge.