Fire rated timber solution- Interior use

NZ Specifications
for WoodSafe™-Interior

WoodSafe-Interior TDS plus

Australia Specifications
for WoodSafe™-Interior

Specifications will be loaded shortly
Substrate | Timber boards, battens and panels
Surface Rating | Group 1-S
Substrate Thickness | Various
Substrate Density | Various

WoodSafe™-Interior is an off site treatment with a certified Group 1-S rating to timber and is for use in dry areas only. It can be coated with any stains or oils from leading paint manufacturers.


Fireshield WoodSafe™-Interior is a factory-applied fire-rated solution used to impregnate timber boards, battens, and plywood sheets in all profiles and many 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™-Interior treated timbers are for interior / dry environments and are certified to achieve a Group 1-S rating.

WoodSafe™-Interior treated timbers can be used:

  • As timber battens and fins, wall and ceiling linings.
  • In dry internal environments with relative humidity <75%.

Use WoodSafe™-Exterior for:

  • Exterior use.
  • Internal areas with humidity >75%.
  • Internal wet areas such as pool environments.



All profiles and species treated with WoodSafe™-Interior are:

  • 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 any profile or plywood panel:

  • Pine
  • Thermally modified Pine
  • Western Red Cedar
  • Poplar
  • Birch 
  • Maple
  • Siberian Larch
  • American White Oak
  • More species available, please contact Fireshield for more information.



WoodSafe™-Interior for interiors can be coated with stains, penetrating oils, paints, polyurethanes, and varnishes from all leading paint Manufacturers. Contact Fireshield for a full list. 



All WoodSafe™-Interior 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™-Interior system will remain for the lifetime of the timber.






Specify and Order WoodSafe™-Interior Online