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Hardwood Timber Cladding

Australian Sustainable Hardwoods (ASH)

As beautiful as it is durable and guaranteed to perform – that’s IronAsh and IronOak.

Treated to H3 classification, IronAsh and IronOak hardwood timber cladding can be used externally in partnership with Australian Oak or Glacial Oak to allow continuous flow of timber design from inside to out.

IronAsh and IronOak cladding is a great choice to finish the project. It can be easily cut, stained and painted on site. IronAsh and IronOak timber cladding offers an affordable timber choice that is stable, readily available and complies with AS1604 Specification for Preservative Treatment.

Available in random lengths, end matched.

Details
Timber & Finishes

IronAsh

IronAsh is ASH’s Australian Oak (Tasmanian Oak) timber with the addition of a durable H3 water-based treatment making it ideal for exterior applications. Designed to match our internal Australian Oak range, or seamlessly match to existing projects that utilised Victorian Ash or Tasmanian Oak.

IronAsh is available in a variety of cladding, batten and screening profiles and comes with a 25-year warranty. 

IronOak

IronOak is ASH’s Glacial Oak timber with the addition of a durable H3 water-based treatment making it ideal for exterior applications. Designed to match our internal Glacial Oak range, meaning you can achieve consistency and flow of design from inside to out.

IronOak is available in a variety of cladding, batten and screening profiles and comes with a 25-year warranty.

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About the
Seller

More than a hardwood mill, Australian Sustainable Hardwoods (ASH) is an advanced manufacturer and established leader amongst Australian timber suppliers. Known for developing innovative hardwood products for specifiers.

Our reputation as a highly respected and trusted Australian manufacturer leads the industry. We are ethical, sustainable and verified.

Utilising automation and economy of scale, ASH operates 13 on-site manufacturing lines to add value to our timber, from log to finished product. These include moulding, laminating, finger-jointing, deep splitting, set length docking and mass-timber production. Our range of timber species includes Australian Oak (Tasmanian Oak), Glacial Oak (American Oak) and Plantation Oak.

Verified ArchiPro Member1 year · Since 2025