How to measure for a new garage door

Is it time for a new garage door? Maybe your old one has seen better days, or maybe you need to winterize your garage with a higher-quality, insulated door. Whatever the reason, the first step in getting a new door is measuring to see exactly which size you need. To do this, you’ll need a measuring tape, a step ladder, something to write with and on and, ideally, an assistant. All measurements should be noted in feet and inches.

  • First, measure the width. Choosing the widest point of your garage, measure between the right and left sides of the finished opening. While you’re doing this, look for any irregularities, like an opening framed with anything other than 2” by 6” wood, or jambs that are not square. This is where a second person comes in very handy because it’s difficult to stretch a tape measure across such a large space on your own.

  • Next, measure the height . This is the distance from the floor to the top of the finished opening, and it can be affected by issues like an un-level floor, so that’s something you’ll want to notice. It’s also good to make sure the top of the finished opening is level.

  • The area beside the openings is the next area to measure. There must be some room on each side so that a vertical track can be installed. The requirement is usually up to 3.75”, but between double garage doors, the center post should be at least 10” wide.

  • You’re almost finished: now it’s time to measure from the top of the door to the ceiling. The distance between the top of the door opening and the ceiling is called the headroom, and it’s where the garage door is going to go when it rolls up on tracks.

  • Last but not least, measure from the garage door opening to the back of the garage. This is an important step, because this area, known as the backroom, is where your garage door will retract when it’s open. You’ll need at least the door’s height plus 15”-18” for a manual door, and more if you’re installing an electric garage door opener.

When it’s time to get a new garage door, it’s time to call Guardian Garage Door Service, Inc. A family-owned business we offer the best garage doors and parts, the best service, and the best warranty, and we’re happy to help you find a new garage door that’s perfect for your space and your specifications. Visit our website or call 732-269-9667 to learn more about our family-owned business and all we can do for you.

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