Last modified on 25 November 2014, at 19:20

firestop

EnglishEdit

Combination firestop sample with multiple penetrants using firestop mortar.
Firestops as seen from underneath, of two types for three pipe penetrations.

Alternative formsEdit

EtymologyEdit

fire +‎ stop

NounEdit

firestop (plural firestops)

  1. (construction) A fire block.
  2. (construction) Any multi-component system designed to stop fire and smoke from migrating through openings around piping, wiring, ductwork, cable trays, bus ducts, etc., as well as through movement joints in walls and floors that are required to have a fire-resistance rating.

SynonymsEdit

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