+ 2.5 inches each way.
The rough opening width for a 24" door is 26-1/2" The rough opening height for a 24" door is 26-5/8" Rough openings are 2" wider and 2-1/2" taller than the actual door. This allows room for the door frame and adjustment.
The recommended rough opening size for a 24-inch door is 26 inches in width and 82 inches in height.
The standard rough opening size required for a 24-inch door is 26 inches in width and 82 inches in height.
The recommended rough opening size for a 30x80 door is 32x82 inches.
Rough - manga - was created on 2006-08-26.
The standard size for a rough opening for a door is typically 2 inches wider and 2 inches taller than the actual door size.
The standard rough opening size for a bypass door is typically 2 inches wider than the width of the door and 2 inches higher than the height of the door.
The rough opening of an interior door is two inches wider than the width of the door and two inches higher than its height. Thus your rough opening width is 38". A typical interior door has a height of 80" which would require a rough opening height of 82" but check your door to ensure that is theheight.
For a 30" door, the rough opening would be 32" in width and 82" in height. Check with your local building inspection department just in case a larger door is required.
The standard size for a rough opening for an exterior door is typically 2 inches wider and 2 inches taller than the actual door size.
The standard size for a rough opening for an interior door is typically 2 inches wider and 2 inches taller than the actual door size.
The recommended rough opening size for a 30 by 80 inch door is 32 by 82 inches.