Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a number of materials, such foam, batting, or wooden blocks, built into the interior of a wall in order to inhibit the spread of fire, in North America most commonly taking the form of 16-inch pieces of 2x4 affixed horizontally in each of the spaces between the vertical studs within a wall.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

fire +‎ stop

Examples

  • POSITION SUMMARY: Cable Tech will install with direct supervision: cable pathway systems, firestop systems, various electronic components, various cable that includes but is not limited to: twisted pair cable, coax, power limited tray cable, stranded cable and solid conductor low voltage cable.

    News - chicagotribune.com

  • KBS Passive Fire's main fireproofing products consist of Isolatek WB3 and 4, Isolatek M-II and Isolatek 300 and 400 with firestopping products consisting of KBS Coating, KBS Mortar Seal, KBS Panel Seal, and KBS Sealbags and the all new PFC Corofil line of firestop and fire Sealing products

    The Earth Times Online Newspaper

  • More info firestop flame retardant - $15 (Westmont)

    craigslist | all for sale / wanted in chicago

  • Those contractors that have an inclination for cutting corners to increase profits will look at this first as well as not putting in firestop materials in wall and floor penetrations in order to save money or get a bid down to the barebones minimum.

    All - WTN News

  • So now we have a more complex problem: how can there be ventilation inside a firebox that will also function as a firestop or fire rated barrier if there is ignition inside or outside the firebox.

    HiddenWires News

  • There is also the issue of installations that penetrate a wall without a firestop or damaging existing ones.

    digg.com: Stories / Popular

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