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FireZone Vanguard Fire Treatment for Natural Timber Finish

New Zealand’s only locally processed, natural fire retardant system suitable for internal and external use, with the largest number of compliant timber species.

The versatility of this offsite treatment system allows for a natural timber finish, stained or clear coat finish to be achieved on either internal or external timber substrates.

Achieving a Type A and Group 1-S fire rating for internal and external timber substrates.

For external or high moisture internal environments, specify when a natural, stained timber finish is desired.

Key Features
  • Group 1-S interior and Type A exterior fire ratings available 
  • All natural, non-toxic, no VOC and Cradle to Cradle Gold Certified 
  • Fully impregnating fire retardant technology 
  • Locally fire retardant processing to locally supplied timber substrates 
  • Full external durability option available 
Scope of Use
  • Natural timber finish
  • Interior and full external substrates
  • Suitable for timber substrates including; plywood, solid timber panelling and exterior cladding
  • Compatible clear coat available
  • Compatible with most interior and exterior stains
  • Timber can be cut on-site and assembled in place with no risk of nasty chemicals
Limitations on Use
  • FireZone Vanguard FP compatible clear coat available through Zone
  • Can accept limited stains and oils
  • Check technical data sheets for compliant timber substrates
  • Off-site production only
  • FireZone Vanguard SP is appropriate for internal or semi-external use
  • For full external exposure, FireZone Vanguard FP is appropriate
  • Stainless fixings are required
Statement of Building Code Compliance

Tested in accordance with C/AS2 to achieve a Group 1-S on a varierty of timber substrates. Testing includes BRANZ certification as well as testing to EN13501-1:2018. 

Classified in accordance with C/AS1 and C/AS2 for Type A or Type B external cladding classification — on Western Red Cedar and TMT Taiga. 

In-Service History

Used in New Zealand on a range of species. Consult with the timber manufacturer and Zone during the design phase.

  • Te Arai Restaurant, Te Arai 
  • Te Arai Clubhouse, Te Arai 
  • Cloudy Bay Vineyard, Marlborough
  • Kakapo Creek, Auckland
  • Lone Star Rolleston, Christchurch
  • Panatiki, Leigh 
  • Oceania The Helier, St Heliers 
  • Tamahere Country Club, Tamahere  
  • Cave, Arrowtown 
  • Arvida Te Puna Waiora, Kerikeri 
  • Flockhill Lodge, Lake Pearson 
  • Flexi Lease Head Office, Christchurch 
  • Massey University Albany, Auckland 


Other Performance Attributes
  • The fire treatment penetrates the cells of the timber substrate, providing moisture resistant fire performance 
  • Unlike traditional intumescent coatings, FireZone Vanguard performs in areas with high humidity and moisture
  • The compatible clear coat system is highly durable, chemical and moisture resistant 
  • FireZone Vanguard FP has been classified in accordance with EN16755:2017 as lasting for the life of the timber substrate in full external applications 
Interior Fire Rating 1S
Test Results
Test Results
Technical Data Sheet: Vanguard FP

FZVG FP v3 20240201

Technical Data Sheet: Vanguard SP

FZVG SP v2 20240401

Zone on Masterspec
Additional Information

Zone provides specifiers with a unique range of industry leading specialty products for the commercial construction industry including fire rated coatings, seismic joints and architectural hardware.

Product Enquiries

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