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Fire rated covers

Certain applications may require that a cover offers a certain degree of fire resistance.

A fire rated cover is basically a standard access cover system which has a fire rated barrier installed beneath it to protect against flames, smoke, fumes and heat for up to 2 hours as required in AS 1530 Each system is custom made and ACO will work closely with you to supply a suitable fire rated system for the requirements of each application.

The following information is intended as a guide to the factors involved in specifying a fire cover.


  • Any standard cover can be supplied as a fire rated cover
  • Due to the addition of the fire barrier, clear opening will be reduced Pit rebates
  • The fire resistant barrier will need to be supported by either a formed ledge in the pit or a fabricated ledge – these ledges are used to support the framework which holds the fire resistant material (see diagram)

Safety gate

  • Safety gates may be required in certain states to protect the non-load bearing fire rated barrier
  • Safety gates fit to the sides of the pit below the cover
  • A safety catch is required to hold the gates open to prevent them falling closed and trapping someone inside the pit

Fire resistance material

  • An asbestos free material rated to 2 hours to AS 1530, higher ratings are also available
Fire Rated Covers
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