Most bifold door openings are finished with drwyall.
Bifold door rough opening size.
For example our aluminum bifold door system is available in a range of standard sizes to suit the most popular opening sizes and can be made to measure up to 20 panels 10 in each direction with a total span up to 65 wide and 10 4 tall.
Getting the rough opening size right the first time will save you from frustration when installing your doors.
You should add 2 1 2 to the height of the actual door.
The opening size for a bifold door is measured from the finish face of the opening not the trim.
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.
Just add 2 to the width of the actual door size.
Framing rough opening sizes are really quite simple.
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.
The rough opening should be 49 by 82 for a 48 by 80 inch door.
This will give you room to space the door frame off of the sub floor.
Measuring a bifold door opening.
A casing type molding is often used around a bifold door.
When you open the door instead of swinging in or out it folds in half at.
How to determine bifold door opening size.
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 space between the floor and the bottom of the door may vary depending on the type of flooring.