IronSlide -How to Measure
![width2 measure barn door](https://i0.wp.com/rollinghardware.com/wp-content/uploads/2023/03/width2.webp?w=1080&ssl=1)
Measure the opening width and add 2 inches to each side this total is the width your door should be.
![width barn door width](https://i0.wp.com/rollinghardware.com/wp-content/uploads/2023/03/width.webp?w=1080&ssl=1)
Measure the opening width and add MINIMUM 3 inch, this total is the width your door should be.
![height BArn door height](https://i0.wp.com/rollinghardware.com/wp-content/uploads/2023/03/height.webp?resize=496%2C516&ssl=1)
Measure the opening from floor to top of trim and add 1 inch this total is the height your door should be.
![height2 barn door height](https://i0.wp.com/rollinghardware.com/wp-content/uploads/2023/03/height2.webp?w=1080&ssl=1)
Measure the opening from floor to top of trim and add 1 inch this total is the height your door should be.