Are All Internal Doors The Same Size

1 3 8 inches is the most common depth but other depths are available.
Are all internal doors the same size. Standard widths include 18 20 24 28 30 32 and 36 inches. Regardless of the type of doors the frames are built basically the same with the exception of pocket doors see below. In most cases the door set which is inside of the door and controls the door latch. The thinnest interior door you can buy is 1 3 8 inches thick and the thickest is 1 3 4 inches thick which is the same as an exterior door.
Standard interior frame dimensions. Standard heights include 80 84 and 96 inches. The standard thickness for interior doors is 40 mm. Internal doors are typically available in a number of standard interior door sizes.
The frame consists of jambs a casing stops a sill and a threshold. The height for all interior doors must be minimum 2040mm and the standard width for interior doors is 620 720 770 820 870 or 920 mm. Internal door widths may be given in metric or imperial measurements such as 2 6 or 30 inches or 726mm all the same if you re wondering. Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Interior doors are smaller than exterior ones. That s still a pretty broad category as it includes all bedrooms bathrooms utility rooms and closets. Before you shop for a lockset for a door be sure to make note of the following so the knob you buy will fit. Interior door knobs are designed to be used in doors found inside of a house.
Similarly height may be referred to as 6 6 or 78 inches or 1981mm. Intermediary thicknesses include 1 1 2 and 1 5 8 inches. While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however. The thicker doors are usually but not always exterior models.
When planning renovation or building a new door have this measures in mind. Interior doors are an important part of your home s overall look and significantly impact its inner curb appeal while it s often easy to overlook these doors as just part of a home s background appearance and focus replacing interior doors not only helps tie a space together visually but offers other benefits. There are several types of interior doors distinguished by the way they operate. Doors are typically either 1 3 8 inches or 1 3 4 inches thick.
Be sure to buy a lockset that will fit your door s thickness. 1 the door s thickness.