Bifold Door Rough Opening Size
The trim hangs over the edge of the opening to cover the gap around the edge of the door.
Bifold door rough opening size. Most bifold door openings are finished with drwyall. The rough opening should be 49 by 82 for a 48 by 80 inch door. Just add 2 to the width of the actual door size. You should add 2 1 2 to the height of the actual door.
This will give you room to space the door frame off of the sub floor. Framing rough opening sizes are really quite simple. A bifold door consists of a pair of panels attached to each other with hinges. A casing type molding is often used around a bifold door.
How to determine bifold door opening size. Getting the rough opening size right the first time will save you from frustration when installing your doors. 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. The opening size for a bifold door is measured from the finish face of the opening not the trim.
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. 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. The required size of the finished opening for a 48 by 80 inch door is 48 by 82 inches.