Bifold Door Rough Opening Size

Getting the rough opening size right the first time will save you from frustration when installing your doors.

Bifold door rough opening size.

The opening size for a bifold door is measured from the finish face of the opening not the trim. 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. 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. You should add 2 1 2 to the height of the actual door.

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. Measuring a bifold door opening. How to determine bifold door opening size. A casing type molding is often used around a bifold door.

Just add 2 to the width of the actual door size. This will give you room to space the door frame off of the sub floor. Most bifold door openings are finished with drwyall. The rough opening should be 49 by 82 for a 48 by 80 inch door.

Framing rough opening sizes are really quite simple. A bifold door consists of a pair of panels attached to each other with hinges. The trim hangs over the edge of the opening to cover the gap around the edge of the door.