Interior Door Thickness

Traditionally interior doors are 1 3 8 thick and exterior doors are 1 3 4 thick but they can be used interchangeably if the correct frame throat depths are available.

Interior door thickness. Most interior doors are thinner than exterior. While there are hinges for any thickness of interior door most available double sided handles and lock sets require interior doors that are 1 3 8 or 1 3 4 thick. Interior door thickness is an important consideration when it comes to installing doorknobs and hinges.

Standard interior thickness is 1 inches. It is best to choose your lock sets and handles first so that your doors can be made thicker if needed. Some stores may stock doors with alternate.

The standard is 80 tall 36 wide and 1 5 16 thick. For example while a 1 3 4 thick door may have 3 hinges 4 in size a 2 1 2 thick 8 height door may have 5 ball bearing hinges 4 5 in size to support the additional weight. If you use a stable wood quarter sawn you won t have problems with movement.

On average you can expect to pay roughly 20 25 percent more for a custom door. Usually interior walls are made from 2x4 studs which have dimensions 1 x 3 of an inch inch drywall from both sides what comes total of 3 2x 4 and that is in practice. The recommended thickness for that door would be 1 3 4 inches.

If for some reason your existing interior door isn t a standard door size don t worry. Standard thickness for an interior door is 1 3 8 if your door exceeds 36 or is over 90 in height. This is the most common interior door thickness and sometimes the only one stocked at home improvement stores.

It adds about 25 to your material costs by going 1 2 thicker and then you need the cutters to produce the thicker doors. 1 4 thickness 6 4 mm all general glass applications such as table tops as protective cover insulated units interior exterior door lites shelves framed shower doors. The thinnest interior door you can buy is 1 3 8 inches thick and the thickest is 1 3 4.