F-rating

F-rating

A fire performance rating of a fire-stopping system, measured in terms of period of time that the system will limit the passage of fire through it when tested according to the applicable code.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
"mother!" joins  Brad Pitt's "Killing Them Softly" and Cameron Diaz's "The Box" in the exclusive F-rating club, which is generally reserved for horror movie titles, according to (http://www.hollywoodreporter.com/news/darren-aronofksys-mother-banished-infamous-f-cinemascore-club-1039885) The Hollywood Reporter .
IMDb the world's largest movie website, adopts a new 'F-rating' to highlight films that are directed by women, written by women, and/or pass the Bechdel test
Fire Stop, a four-hour fire-rated silicone sealant with F-rating (flame), T-rating (thermal) and L-rating (smoke), can resist fire up to 750 deg C.
As a state legislator, Wendy earned an F-rating from the NRA by voting against the Second Amendment repeatedly," said NRA spokeswoman Catherine Mortensen.