Planning glossary
Clear opening
The unobstructed usable opening after the door, frame, hardware, and projections are considered.
Example
A nominal 36-inch door does not automatically provide a 36-inch clear opening.
Related concepts
Rough opening
The framed opening prepared to receive a door, window, or other component, based on product instructions and installation requirements.
Read definitionCirculation
The connected paths people use to enter, move through, and leave spaces.
Read definitionEgress
The system of paths and openings used to leave a building or space, subject to use-specific and locally adopted requirements.
Read definitionUse the term in context
Definition boundaryThis planning definition is not a substitute for the definition in an adopted code, standard, contract, manufacturer instruction, or professional document. Confirm the controlling meaning for the project.