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Impervious or resistant to damage by fire.
tr.v. fire·proofed, fire·proof·ing, fire·proofs
To make fireproof.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈfaɪərˌpru fɪŋ)

1. the act or process of rendering fireproof.
2. material for use in making anything fireproof.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
The appellate division of the state Supreme Court found a state Supreme Court judge was right to deny American Home Assurance Co.'s claim asbestos exposure arising from spray-on fireproofing during the World Trade Center's construction constituted a "single occurrence."
M2 EQUITYBITES-March 28, 2018-Graco launches its new electric fireproofing pump
(NYSE: BLD) has acquired US-based residential and commercial insulation firm Santa Rosa Insulation and Fireproofing, the company said.
Interchar 1120 is part of the Firesthetics family of fireproofing technologies introduced by International Paint to the U.S.
The fireproofing market worldwide is big and growing.
Island International Industries, Inc, (Island International), is providing spray fireproofing to the 110-Story World Trade Center Tower 1, formerly known as The Freedom Tower,
US government investigators said the World Trade Centre buildings would probably not have collapsed in the September 11 2001 terror attacks if fireproofing had stuck firmly to the columns and floors.
Asbestos exposure in Libby steins from the mining of vermiculite, which is used for insulation and fireproofing. The vermiculite, mined extensively from the 1920s to 1990, was laced with toxic amphibole asbestos, and the mining operations released asbestos into the air and contaminated the mine, processing sites, and many of the buildings and properties in town.
The bill provides experimental fireproofing treatments on 250,000 acres by educational institutions.
It was used in fireproofing ships, fabrics and clothing, and in construction materials and automotive parts such as brakes.
The project included removal and disposal of the existing drop ceiling in the basement; removal and disposal of the sprayed on, fireproofing material from certain areas; removal and disposal of pipe fittings that contained asbestos and replacement thereof with nonasbestos fittings; and encapsulation of some of the basement's existing fireproofing.