Interior Door Thickness
In older houses door opening might be not a regular dimension and require reframing or ordering a custom size door.
Interior door thickness. The chart below has a list of widths and heights and what those sizes are generally used for. Thickness interior door thickness is an important consideration when it comes to installing doorknobs and hinges. Standard interior thickness is 1 inches. Most interior doors are thinner than exterior.
One bi fold door consist two door slabs equal in size. Standard thickness for an interior door is 1 3 8 if your door exceeds 36 or is over 90 in height. The standard is 80 tall 36 wide and 1 5 16 thick. It adds about 25 to your material costs by going 1 2 thicker and then you need the cutters to produce the thicker doors.
The thinnest interior door you can buy is 1 3 8 inches thick and the thickest is 1. The recommended thickness for that door would be 1 3 4 inches.