Typically the rough bifold door opening should be sized 2 inches wider and 2 inches higher than the door itself regardless of the bifold door size.
Bifold closet door framing dimensions.
The most common the majority of bifold doors are 80 inches tall.
The term framing here refers to installing the jambs into a rough opening for bypass or bifold doors.
Standard widths for bifold doors are 24 30 32 and 36 inches.
This space for bracing can vary from 6 to 12 inches.
Different types of door will require different tracks and frames for the door.
If the opening does have trim installed subtract 3 4 inches.
A 6 foot wide closet opening is most common but you can install closet doors in an opening of just about any width.
This is a list of common bifold door sizes that are fairly standard and readily available.
Subtract 2 inches from the height of the opening to determine the height of the door if the opening does not yet have trim installed.
Step 3 fixing the batons.
A 48 inch wide closet opening could fit either a 30 inch bifold door or a 36 inch one depending on the style and bracing system used.
Choose doors which are 1 inch smaller than the opening you have available.
Anything of a different size will require a custom made door.
The width varies depending on available space but openings typically graduate in 24 inch increments up to 72 inches or more.
For example a four foot wide 48 by six feet eight inches high 80 bifold set of doors would require a rough opening width of 50 inches and a height of 82 inches.
The standard height is 80 inches the same as for an entry door.
These closet doors are not available as prehung units.
Sets of bifolds are available in a variety of widths in multiples of 2 inches and bypass doors can be cut to any width desired.