Determining your rough opening size can be confusing, especially for someone that has never measured or ordered a door before. When developing the Hide-A-Way Door, we wanted to keep things as simple and as close to a regular interior door as possible to limit confusion.
Below is a basic chart that should help you determine your door size based on your Rough Opening (RO). The chart is for
Single, Double, Attic, Alpha Doors and Mirror Doors.
Video: More about How to determine your Rough Opening & Doors Size