Frequent question: How do you measure a bifold door opening?

What is the rough opening for a 48 inch bifold door?

Drywall Opening

The required size of the finished opening for a 48-by-80-inch door is 48 by 82 inches. The rough opening should be 49 by 82 for a 48-by-80-inch door.

How much smaller should a bifold door be than the opening?

The actual dimension of bifold doors is always ½” smaller in width than the stated size to accommodate the necessary clearance for proper operation of doors. Bifold doors must be 1-1/2” shorter in height than the finished opening.

What are standard bifold door sizes?

This is a list of common bifold door sizes that are fairly standard and readily available.

  • 2′ 0″ x 6′ 8″ Bifold – Two 12″ Panels.
  • 2′ 6″ x 6′ 8″ Bifold – Two 15″ Panels.
  • 2′ 8″ x 6′ 8″ Bifold – Two 16″ Panels.
  • 3′ 0″ x 6′ 8″ Bifold – Two 18″ Panels.
  • 4′ 0″ x 6′ 8″ Bifold – Four 12″ Panels.
  • 5′ 0″ x 6′ 8″ Bifold – Four 15″ Panels.

What’s the rough opening for a 32 inch door?

Measurements For Rough Opening

Rough Opening Width Rough Opening Height Door Size to Order
29.75″ – 31″ 81.5″ – 83″ 28″
31.75″ – 33″ 81.5″ – 83″ 30″
33.75″ – 35″ 81.5″ – 83″ 32″
35.75″ – 37″ 37.75″-39″ 81.5″ – 83″ 34″ 36″
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How much room do you need for a bifold door?

The combined measurement of both doors should be about an inch less than the total width of the opening, and one to two inches less than the height of the door frame. This is to allow sufficient room for the hardware.