Interior doors can have different dimensions, starting from small wide doors to double- or triple-panelled wide doors. Before you install the door, check the opening sizes. This will help ensure the frame and door fit well in the doorway.
In a nutshell, the key points are the following:
Standard door widths come in various sizes for both interior and exterior use. Other key dimensions to think about are door opening, door panel size, and frame size. When measuring, remember that the door frame and door panel depend on each other.
Advantages of Overall Measurement
Cost and cost-effectiveness speak in favour of fitting door openings (including frames) for standard sizes for interior doors. One great advantage of that is to allow simple replacement during renovation or redesign of living space. This can definitely be problematic with non-standard doors since must be ordered precisely for installation. The cost plays an important factor here also. The way interior doors open, either right-hand or left-hand, impacts costs from manufacturers.
What is the Standard Width for Doors?
This means most interior and exterior door panels come in standard sizes. Depending on the type, some are:
Interior Doors
Passage Doors: The standard width for an interior passage door is 32 inches. The minimum width for a passage door is required for all doors. This applies to both new and replacement doors, as stated in many building codes.
Wider Interior Doors: 36-inch-wide doors are compliant with the Americans with Disabilities Act (ADA). They are popular choices for homes whose residents have mobility issues, or for homeowners who are planning to age in place.
Exterior Doors
Exterior doors are usually 36 inches wide. The added width makes it easier for residents and movers to carry furniture and large appliances in and out of the home. It also provides enhanced security. Larger, roomier homes or custom-built houses may have doors that measure as much as 42 inches across or more.
Sliding Doors
The width of the sliding glass doors is variable. The standard width is 72 inches to fit into the two glass panels (one fixed and one sliding). They can also come in 60-inch width for narrower sliding glass doors or reach 96 inches or greater to fill large openings.
French Doors
The width of each door in French door pairs ranges between 30 and 72 inches.
How to Measure for a Properly Fitting Interior Door
It is essential to take the correct measurements before installing the door frame. Usually, the door frame and door panel are ordered simultaneously. As long as the frame is installed properly, the door panel will generally turn out well. If there is already a frame, you only need to order the door panel replacement. You will need to measure the “old” door. It is very important to keep an eye on the overlap dimensions and thickness of the door. Do not forget to measure these areas. Otherwise, your interior door may not fit perfectly. Grandsea strongly recommends contacting our experts before measuring, as we have been engaged in interior door production for many years, and your worries are nothing more than ordinary, what experts see.
Special-Sized Interior Doors
If your measurements don’t match standard sizes above then you’ll need non-standard interior doors. This is usually required when you’re renovating an older building and you require new doors. Older buildings don’t generally have standardised door size openings, so you need a product that is outside convention sizes. This is also sometimes necessary for designer homes, which make use of non-standard door openings and widths. Certain manufacturers provide non-standard sizes on demand.
Which Room Fits Which Size?
Standard doors can be installed in various rooms like closets, bathrooms, living rooms, and basements. Considering how the room will be used if you have a larger or smaller door may make sense. Door height should align with the height of the room visually.
Other Door Width Sizes for Different Uses
For wheelchair access in an apartment or house, we recommend a door width of at least 39 inches (or 985 mm). This ensures comfortable access. Some wheelchairs are 50 inches (1270 mm) wide. This means special sizes may be needed. Daycare centers, practice rooms, and public buildings often have standard door widths that might not work. Outside of private purposes, choose the sizes that could allow for an easy entrance with strollers and wheelchairs and optimise wall openings well in advance.
What is the Recommended Height for Interior Doors?
The height of the room is an important aspect when deciding on the height of the door. Aesthetically, the door’s size should coordinate to the height of the room. You might need taller doors in some cases. For example, if you plan to use the room as a workshop or move larger items in and out frequently.
How Do Measurements Impact Door Costs?
Generally speaking, the larger and wider the room doors, the more expensive they are. People have high expectations for custom products. Keep this in mind when renovating or building new buildings. Choosing a reliable door manufacturer is also very important, and responsible manufacturers will detail the configurations of bespoke doors and windows so that you can see every expense.
