Rough Opening (RO)

Rough Opening Width

The RO width is the measurement of the opening from the left stud to right stud. When determining the RO Width, you will need to add 3/4″ to the UD Width.

Inswing

Outswing


Rough Opening Height

The RO height is the measurement of the opening from header stud to subfloor. When determining the RO Height, you will need to add 1/2″ to the UD Height.

Inswing

Outswing


The unit sits in the Rough Opening. Therefore the Unit Dimension and the Rough Opening are related. If you are able to determine one, you are able to determine the other.

Inswing

Outswing

Inswing

Outswing


Updated on May 15, 2021

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