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 recommended rough opening size for a 30x80 door is 32x82 inches.
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 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.
The standard size for a double door rough opening is typically 60 inches in width and 80 inches in height.
The standard rough opening size for a prehung door is typically 2 inches wider and 2 1/2 inches taller than the actual door size.
The recommended rough opening size for a 30-inch door is 32 inches in width and 82 inches in height.
The recommended rough opening size for a 34-inch door is 38 inches in width and 82 inches in height.
The recommended rough opening size for a 24-inch door is 26 inches in width and 82 inches in height.
The recommended rough opening size for a 28-inch door is 30 inches in width and 82 inches in height.
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.