Measuring your opening first will help you determine if you can buy a single door or pair of doors that will fit without either cutting the doors to fit or modifying the.
What is finished opening size for bifold door.
Generally you need an extra 1 3 4 of height beyond the height of the door panel.
This allows for 1 2 inch thick drywall on both sides and at the top 80 inches for the doors and hardware and a 1 to 1 1 2 inch space under the door.
The rough opening should be 49 by 82 for a 48 by 80 inch door.
If the opening does have trim installed subtract 3 4 inches.
Recommended finished opening dimensions this chart allows for a 1 8 3 2 mm gap at the top of the bifold and a 1 4 6 4 mm space on the sides of the bifold after it has been installed.
The space between the floor and the bottom of the door may vary depending on the type of flooring.
Bifold finished openings finished opening widths are true to the measurement a 3 0 is 36 a 2 8 is 32 a 6 0 is 72 etc.
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.
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.
Some sizes can be special ordered if you have time to wait.
The bifold doors are undercut 1 standard.
The required size of the finished opening for a 48 by 80 inch door is 48 by 82 inches.
This is a list of common bifold door sizes that are fairly standard and readily available.
Installing a bifold closet door is a fairly quick and easy diy project as long as the door opening you are trying to install it into is the correct size and fairly square.
Bifold door sizes do have limitations.
Table of bifold door sizes.
If you are considering a replacement project see the article installing bifold doors.
It also allows for clearance over any finished floor covering.
2 0 x 6 8 bifold two 12 panels.
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.
For a nominal 6 8 opening you need a finished height of 6 8 3 4 80 3 4.
Finished opening heights are based on reeb s standard interior frame components and clearances.
The installation hardware is adjustable so that you achieve these tolerances.