Fire rated timber solution - Exterior and Interior

NZ Specifications
for WoodSafe™-Exterior

WoodSafe™-Exterior TDS plus

Australia Specifications
for WoodSafe™-Exterior

Specifications will be loaded shortly
Substrate | Timber
Surface Rating | Group 1-S
Substrate Thickness | Varies depending on timber species
Substrate Density | Various

WoodSafe™-Exterior is an off site treatment with a certified Group 1-S rating to timber and is for use outdoors and wet or dry interior areas only. It can be coated with Fireshield Signati stain.


Fireshield WoodSafe™-Exterior is a factory-applied fire-rated solution used to impregnate timber boards, battens, and plywood sheets in all profiles and species to provide fully compliant fire-rated timber.

  • The fire treatment does not leach from the timber like some impregnation solutions.

  • The durability of the timber is increased.

  • There is no visible difference between treated and untreated timber.

To request a sample or for more detailed information including specifications please click the image below and we will be in touch. 


WoodSafe™-Exterior timbers are for exterior and wet or humid interior environments and achieve a Group 1-S rating.

WoodSafe™-Exterior treated timbers can be used:

  • As exterior claddings that require Group surface ratings.
  • As timber battens and fins.
  • In interior wet and dry areas as wall and ceiling linings, boards or planks.
  • As exterior soffit linings/claddings.

For dry interior environments consider standard WoodSafe®-Interior.



All profiles and species treated with WoodSafe™-Exterior:

  • Tested to EN13501-1:2010 and achieves Fire Class B-s1-d0. This is recognised as equivalent to Group 1-S under the NZBC Clause 3.4(a) providing compliance with NZBC C/AS1-C/AS7.



This revolutionary new Fireshield system is available in the following timber species direct from Fireshield or via major Timber Merchants in all profiles or plywood sheets:

  • Scotch Pine
  • Western Red Cedar
  • Douglas Fir/Oregon
  • Siberian Larch
  • Oak
  • Spruce
  • Sweet Chestnut
  • Many more species available, please contact Fireshield for more information.



WoodSafe™-Exterior can be coated with the Fireshield Signati range of stains.



All Fireshield WoodSafe™-Exterior timber products are certified sustainable by FSC and PEFC. Final certification for each timber species will accompany each order.



The fire protection properties of the WoodSafe™-Exterior system will remain for the lifetime of the timber.



WoodSafe™  Video



Specify and Order WoodSafe™-Exterior Online