Standard garage door sizes

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Garage doors come in a range of sizes, with many sizes considered 'standard'. Generally, standand widths come in various sizes from 950mm to 5500mm, while standard heights include 1200mm, 2100mm, 2400mm, 2700mm, and 3000mm.

Most garage door suppliers now days can supply custom-made doors, so it’s not a matter of picking the right size, but accurately measuring your door.

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How to measure a garage door

  1. Measure the garage door opening at its widest point, from the inside of one frame to the inside of the other frame. Check the entire door frame (sides and top) for any bowing or twisting in the frame. This may need to be rectified or taken into account when ordering the door.
  2. Measure the garage door opening at its highest point, from the inside of the top frame to the floor. Check the floor for any irregularities – most modern doors have a flexible strip along the bottom that caters to slight irregularities, but anything bigger will need to be accounted for.
  3. Measure the gap between one upright side of the door and the nearest perpendicular wall and repeat on the other side. This is to ensure you have room to run the tracks – you’ll need at least 10cm on each side, which the vast majority of garages will have. For double garages, you’ll need 25cm of space between doors.
  4. Measure the distance between the top of the door opening and the ceiling or lowest obstruction (such as any overhead storage). This gives the headroom, an important measurement needed when deciding which type of garage door you want.
  5. Measure the distance from the door frame back horizontally to the nearest object or the rear of the garage. Doors that require roof space for storage (i.e. sectional doors or tiit doors ), will need the door height plus 45cm (for manually opening doors) or 52cm (for automatic doors).

In addition to the above dimensions, you’ll need to take note of:

  • The condition of the frame around the door, as well as the nearby framework.
  • If installing an automatic opener, check there is an electrical outlet available.
  • Note down any objects (pipes, ducts) that may interfere with the door’s operation.

Once you have this information you can confidently visit your local garage door supplier and place an order.

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