Bifold Door Rough Opening Size

How to determine bifold door opening size.

Bifold door rough opening size.

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. The rough opening should be 49 by 82 for a 48 by 80 inch door. 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. Just add 2 to the width of the actual door size. Framing rough opening sizes are really quite simple. 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. This will give you room to space the door frame off of the sub floor. 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. When you open the door instead of swinging in or out it folds in half at.

Measuring a bifold door opening. 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. A casing type molding is often used around a bifold door.