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Timbers:
The Verdict on Redwood Weatherboards in New Zealand

Redwood is a Californian native species, that has been planted in New Zealand.

A medium to low weight softwood, Redwood, particularly ‘old growth’ Redwood is prized for its durability and used extensively in fencing, cladding, siding and weatherboard type applications.

The bulk of ‘old growth’ Redwood from the US west coast has long since been harvested, and now most Redwood is from second growth forests, most of which are more sustainably managed than they were in the past.

There is a limited amount of New Zealand grown Redwood available, and some US grown Redwood imported into the country.

Redwood heartwood is durable and compliant as an acceptable solution for use as weatherboards or exterior cladding under NZS 3602.

The sapwood of Redwood - easily recognisable by its creamy white colour is not durable and is not suitable for use in exterior applications

The sapwood of Redwood contrasts quite obviously with the pink - red heartwood.

Beware of companies selling local or imported Redwood with a high sapwood content, it is unlikely to conform with the New Zealand Building Code.

Ensure Redwood is fixed with stainless steel of silicon bronze nails, as bright steel or even galvanised nails can stain the wood.

The above image shows non compliant Redwood containing significant sapwood installed in an exterior application.

Abodo offers Vulcan and Tundra Cladding, locally grown alternatives to Redwood.

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Timber: Vulcan Cladding

Type: Rusticated 90x20MM

Lineal Meters:

200.00

Total approximate weight - KG:

268.80

Fixings - Pieces:

485

Oil - Litres (second coat to front face installed):

9

Oil - Litres (one coat all sides + two coats face):

9

Note: The figures given here include 10% wastage and are approximate only. Final order quantities are the buyer’s responsibility and should be checked and verified prior to order placement. Abodo will not accept liability for over or under-ordered items. Thank you!

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