IronAsh Treated Timber


IronAsh Raw

  • Pale Pink to Yellowish Brown

  • H3 Treatment does give it slighhtly different colouring to un-treated Vic Ash

  • Can be stained to endless colours, see below our recommended choices

timber comparison

Common Uses

  • Joinery, Linings, Cladding

  • General Construction, External Structures

Alternatives (similar colour)

  • Eastern States Blackbutt, American White Oak

Features & Benefits

  • Dimensionally stable timber as it is cut quartersawn

  • Highly durable due to H3 treatment

  • Internal or external use

  • Veneers readily available

  • Readily accepts stains and paints

  • Can suffer from surface checking

timber specifications


Botanical & Other Names

  • Eucalyptus delegatensis & Eucalyptus regnans, also known as Vic Ash, Alpine or Mountain Ash or Goodwood


  • Victoria


  • AFS/PEFC CoC certification also ISO14001 and ISO 4801


  • IronAsh features a moderately course texture and has a predominately straight grain, although it may be wavy in parts resulting in a fiddleback appearance. Gum veins are also a common appearance feature.


  • A strong and stable timber, IronAsh offers good all round workability. It planes, sands, finishes and glues well, and will readily steam and bend. This makes Victorian Ash a perfect timber for many applications.


  • Termite Resistance Resistant

  • Lyctid Susceptibility Not Susceptible

  • Marine Borer Resistance <5 years

  • Bushfire Bal 12.5 & 19. Door and window joinery only

  • Fire Properties Group 3 – Slightly combustible


Stock Sizing

  • 105x19 Cladding

  • 65x19 Batten

  • Enquire for other products and sizings