Standard Interior Door Sizes What You Need To Know ?

It is almost impossible to live in a home without a door whether interior or exterior door. Ideally, a door is the most critical part of a house that does much more than allowing exit and entry. A door serves as protection against all the undesirable external factors. Occupants in a home can feel safe and sound if they have sturdy and reliable doors installed on their homes. Moreover, a door also plays a vital role in enhancing the aesthetic appeal of a home.

Interior doors also add charm and make a home or office look organized. Interior doors also influence the resale value of a home. Therefore, installing the right quality and size of a door matters a lot in the comfort and appeal of a home. It is hard to imagine a home with a small door that does not consider tall people. Again, installing a massive and extra-large door can also make a home unappealing and may scare away potential home buyers.

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Choosing the right door size is no walk in the park. Doors come in all sizes and models. The International Residential Code require that standard interior door sizes should not be as large as the main entrance of a house. They have also set minimum height and width. Therefore, standard house doors come in nearly same width and height measurements. Most homeowners and builders do strike uneasy balance when choosing the right door size for their homes. However, here is a small guide on how to choose the right standard interior door sizes.

standard interior door sizes

Standard Interior Door Sizes And There Specifications

standard interior door sizes

Height

Bathroom, bedroom and sitting room doors are available in various heights. However, the International Residential Code requires that all interior doors should have a minimum height of 80 inches. This is equivalent to 6 feet 8 inches. In most cases, door manufacturers do refer to it as 6/8. In some circumstances, the code also allows interior door heights of 78 inches or 6/6 doors. Lately most door sellers do stock doors of different height sizes. However, not all of them work as bathroom and bedroom entrance. 

Width

The standard width size for bath and bedroom is 32 inches. Most manufacturers have come with 24, 30, and 28-inch doors which are very narrow for use as a bed and bathroom door. In some cases, there are 36-inch doors that are same as some exterior doors.

Home builders should be careful not to select an extra-large width for bypass doors or small width interior pivot doors. Most houses built in the 60s and 70 have 24-inch doors, but current homes use 32-inch. However, an architect can design the best width size based on the homeowner’s preference. 

What About The Thickness Of The Door ?

Thickness

Thickness is another factor that plays a pivotal role in finding the right interior door size. It is vital when installing hinges and knobs. The recommended standard thickness for an interior door is 1 3/8 inches. However, if a door is over 90 inches in height, then the required thickness size would be 1. 

Closet door sizes

The interior door for closets is identical to those of bath and bedroom doors. In most cases, cabinet doors are broken to bi-fold sections in the for wide openings. Therefore, if an opening is as large as a doorjamb, then that of a bed or bath door can be used. Opening widths do vary. Most readily available standard bi-fold door size is 80 inches high. The width also varies, and the commonly used width size fall in within 24-72 inches. 

standard interior door sizes

What About The Thickness Of The Jamb ?

Thickness of the jamb 

This is one neglected aspect when it comes to door sizing. However, it plays a significant role in determining the overall interior door styling in a home. The standard width for interior door jamb is 4 5/8 inches. There is a formula used to ascertain the thickness of an interior door frame inch and 1/8 inches are added to the width of the stud 3  inches on both sides.

This helps ensure that everything is covered thus summing up to 4 4/8 which a standard size for door jambs. Additionally, in some instances, the bevel can be used. Most doors use a 2-degree bevel which is installed on the opposite sides of hinges. Bevel enables a door to clear jamb when a door opens and closes. 

Stud-frame opening

This is typically larger than frame size. The standard stud frame opening is obtained by adding 3 inches to the height and 2 inches to the width of an interior door. This ensures there is a gap on both sides. 

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standard interior door sizes

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