heat and smoke vent

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smoke and fire vent

A vent cover, installed on a roof, which opens automatically when the heat exceeds 160°F (71.4°C), thereby releasing the door and venting the fire.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
What effect do automatic roof heat and smoke vents and draft curtains have on the performance of automatic sprinkler systems?
The project will measure the performance and interaction of sprinklers, heat and smoke vents and draft curtains to develop an understanding of whether their interaction helps or hinders fire suppression.