What is an UNDERCUT in the world of commercial doors, frames and hardware? House of Doors - Roanoke, VA
House of Doors - Roanoke, VA What is an UNDERCUT? Undercut is a term used to describe the dimension from the bottom of the door to the bottom of the frame. Doors are undercut to provide clearance above the finish floor material. Typically they are undercut ⅝ inches to ¾ inches from the bottom of the frame. Contact Us today for all of your commercial door, frame, hardware, ADA low energy automatic door operator, toilet partition and accessory needs.