Measure up vertically from the bottom corner of the door and make a mark on the edge of the door at the desired height.
Commercial door handle height.
Operable parts shall be operable with one hand and shall not require tight grasping pinching or twisting of the wrist.
The general services administration the department of defense the department of housing and urban development and the u s.
Access doors or gates in.
Postal service all set forth regulations concerning door handle height and all are based on standards from the american national standards.
The backset is the corresponding vertical mark needed to center the knob.
Door handles pulls latches locks and other operating devices shall be installed 34 inches 864 mm minimum and 48 inches 1219 mm maximum above the finished floor.
Door hardware ada compliant locks exit devices handles pulls latches and other operable parts on doors shall comply operable parts of such hardware shall be 34 inches minimum and 48 inches maximum above the finish floor or ground.
Use the try square to make a light 3 inch long horizontal line perpendicular to the grain inward from the mark.