WoodSafe Exterior WFX

Fire rated timber solution - Exterior and Interior
Substrate | Timber
Surface Rating | Type A | BAL-29 | Group 1-S | Group 1
Substrate Thickness | Varies depending on timber species
Substrate Density | Various

WoodSafe Exterior WFX is an off site treatment with a certified Type A and BAL-29 rating for exterior cedar cladding and Group 1-S and Group 1 rating for use outdoors and interior wet areas.

  • The only Type A exterior fire rated timber cladding available.
  • Fire rated impregnation system.
  • Environmentally friendly with zero halogens.
  • Simple off-site treatment.
  • Invisible to the eye, no VOC.

  • Applied to natural timber.
  • Timber can be stained any decorative colour or oiled.
  • Treated timber delivered to site ready to install.
  • Not an ammonium sulphate system, no leaching, no white residue.


At A Glance  
Fire-rated polymeric impregnation system.
Fire Protection
Type A / BAL 29 / Group 1-S /Group 1.
Timber Species
Zero grams/litre
Zero Halogens
Install Location
Interior C1 - C2
Masterspec section 4221FW or contact Fireshield direct for assistance.


  • Tested to C/AS2 Appendix C, C7.1 : achieving Type A compliance with C/AS2 NZBC External Fire Spread.
  • Fulfils the requirements according to AS 3959:2018, Appendix F, point F2 Testing, as a “Bushfire-resisting Timber”. The product is deemed to be acceptable to withstand exposure up to a BAL-29 condition.
  • Group 1-S solution in New Zealand fully compliant with the New Zealand Building Code Clause 3.4(a) complying with C/AS2-C/AS6.
  • Group 1 solution in Australia fully compliant with the National Construction Code 2019 Amendment 1, C1.10 for Class 2-9 Buildings.


For more details about installation, environmental conditions and timber substrates go to the Technical or Applicators Portal.


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