SNAP Fire Collar Extension Top


Fire Collars are the quickest and easiest way to achieve the required Fire Resistance Level (FRL) for your job site, which is governed by WA law.  Fire Collars are designed to maintain the fire resistance of any building element that is penetrated by a service.

SNAP Fire Collars are the most comprehensively tested collars available on the market, and all test reports are available at  This transparency is unique to SNAP, and makes certification a straight-forward process.

Durofast are one of the only stockists of SNAP Fire Collars in Western Australia, and our in-house expert Edmund (0438 913 918) is on call, and happy to answer any questions you may have regarding the SNAP range.


The Fire Collar Extension Tops are designed to extend the height of the collar when used with thicker slabs (please seek advice from our sales team to ensure correct installation before going ahead).  Each extension adds 50mm of height to the collar.


  • Quickest & easiest way to achieve FRL
  • 2 extension sizes available
  • Designed for use in concrete slabs 150mm or thicker
  • Designed to extend height of collar in thicker concrete
  • Adds 50mm of height


Product CodeSizeUnit PriceBox QtySelect Box/es  
11SNT05050mm $1.19000 1
11SNT100100mm $1.58000 1