Bifold Patio Doors Awesome
Bifold Patio Doors Awesome.
If this is not available, you can use typical framing standards by adding 2 inches to the height and width of the opening. For example, a bifold door for a 48-inch with 80-inch opening may call for a rough-in frame of 50 inches by 82 inches. This differs from Bifold patio doors, whose panels fold together to open.