Fireshield® SQ476

Single pack solvent 30 | 60 | 90 |120min protection :18 litre
Substrate | Steel
Fire Rating | Up to 120 minutes
Type | Single Pack Solvent
Environmental | -

Fireshield® SQ476 is a white, single pack solvent intumescent coating used to fire rate internal and external structural steel for up to 120 minutes.


Fireshield® SQ476 is a single component, solvent-based acrylic thin film
intumescent basecoat for the fire protection of interior and exterior structural steelwork up to 120 minutes.

Fireshield® SQ476 is fully compliant for use in New Zealand and Australia.

New Zealand: Tested to BS476 parts 21: 1987 as per NZS3404: Part 1, 1997 and complying with the New Zealand Building Code B1/VM1 and C2/AS1-C6/AS1 Section C5.1.1.

Australia: Tested to BS476 parts 21: 1987 and assessed by Exova Warringtonfire to AS1530.4 using AS4100:1998 complying with the NCC 2019 Building code of Australia Volume 2, Schedule 5. 

Fireshield® SQ476 can be specified as a complete Fireshield system or combined with other manufacturers approved primers and topcoats.

 1. Standard installation interior C1 zones:

  1. Fireshield® EH2350 primer or Fireshield® tested and approved primer.
  2. Fireshield® SQ476 (DFT varies depending on steel member Hp/a and FRR required)

 2. Installation with a pigmented topcoat (interior zone C1):

  1. Fireshield® EH2350 primer or Fireshield® tested and approved primer.
  2. Fireshield® Steel 1001 (DFT varies depending on steel member Hp/a and FRR required)

  3. Fireshield® Top Coat-W or Fireshield® tested and approved topcoat/sealer. 

 3. Fireshield® SQ476 Exterior C2 to C5 zones:

  1. Fireshield® SQ476 can be specified for exterior structural steel members up to 120 minutes, contact Fireshield® for the system requirements or see the Fireshield® SQ476 specification document.

For installations over existing coatings or installations in C2/C3 interior zones please contact us.


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