Origin can manufacture doors from 15.75 inches upwards-doors this size can be used as pass‑through windows. Your average set of bi-fold doors will have a minimum height of around 60–70 inches, depending on the manufacturer.Īlthough most door companies can technically make bi-folds with a much lower minimum height, the vast majority of homeowners won’t need their doors to be so short. However, most people opt for the three-door set-a lead door and two leaves-as they are more convenient and provide better access.Īgain, minimum widths vary between companies, but a three-door set of bi‑folds will have a minimum width of roughly 45–55 inches.Ī three-door set of Origin bi-folds has a minimum width of 48 inches. Technically, the narrowest set of bi-folds you can buy has two folding doors and no lead door (the main panel that opens first and contains the multi-point locking system). Origin bi-fold door panels have minimum widths of 28 inches (even number of doors) and 15.75 inches (odd number of doors). However, keep in mind that having such narrow panels could make it difficult to both operate the lead door and slide the panels smoothly along their track. Some door companies may allow you to specify panels narrower than this. For odd-number configurations, it’s approximately 16 inches. The minimum width of a single panel will depend on the configuration you choose and whether you have an even or odd number of panels.įor even-number configurations, the minimum width of one door leaf is around 28 inches. Minimum widthīi-fold doors consist of several individual door panels, known as leaves. The following are general guidelines, and exact measurements will vary from manufacturer to manufacturer. What is the minimum width and height for bi-fold doors?
There are minimum and maximum widths and heights to consider, but otherwise you’ll encounter few size restrictions. This means you either need to create an opening to fit your chosen door, or find a door that fits your existing opening.Ĭustom bi-fold doors are made to order and can be manufactured to fit virtually any size of opening. The off-the-shelf bi-folds you’ll find in hardware stores and other similar outlets are manufactured to be installed into a particular size of opening.
What size of opening do bi-fold doors fit? Take the smallest measurements and deduct half an inch (the fitting tolerance) to get the size of the door you need to order.Ĭonsider whether the doors will open in or out and make sure there will be enough space for them to do so. Measure the height on both sides and in the middle. Measure the width of the opening at the top, bottom and middle. With a large spirit level, measure the diagonals of the opening from corner to corner, to check that the opening is level. However, if you want to get an initial sense of the size of door you’ll need, you must take some measurements, as per the following steps: They will advise you on how much of the wall to replace with bi-fold doors and how much wall space to leave around the door. To make sure you order the right size, we recommend you hire a building professional-such as an architect, a builder or a structural engineer-to take the measurements. This applies whether you choose aluminum, vinyl or wooden bi-fold doors. So, once you’ve measured up, the actual size of door you order will be the size of the opening minus the fitting tolerance on both the height and width. It’s very important to allow some room for fitting (called a fitting tolerance)-around half an inch. To decide what size of bi-fold doors you need, you must first assess the opening the doors are going into (known as the aperture). How do I work out which bi-fold door size I need?
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