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Pushing the limits

Use of Cross Laminated Timber helps resolve difficult site issues and creates dramatic forms in NZ Wood-Resene Supreme Timber Design Award winner

CLT walls allow the structure to create striking brown, black
CLT walls allow the structure to create striking forms and spaces, resulting in a series of well executed areas throughout the house that sits on a challenging site. 

Project: Tuarangi

NZ Wood-Resene Timber Design Awards: Supreme and Residential Design Award Winner

Designed by: TOA

Judges comments:

This impressive integration of timber material with manufacturing precision shows designers what can be done with modern timber materials if they are not afraid to try something new.

CLT walls allow the structure to create striking forms and spaces, resulting in a series of well executed areas throughout the house that sits on a challenging site. 


From the architects:

TOA’s Tuarangi House has been designed to push the limits of what can be achieved with Cross Laminated Timber (CLT) in a bespoke high-end residential concept.

Responding to a tight, sloping urban site with significant access issues, CLT and twinskin cross laminated panels have been arranged to create the house’s dramatic forms.

CLT panel has been left exposed and finished with natural wood oil to the inside form.

The external CLT wall, floor and roof panels, with minimal secondary steel, are left to speak for themselves.

Structurally, the CLT panels create a box beam which allows the entire ground floor bedroom wing to bridge over and cantilever off the concrete wine cellar.

Raking CLT walls allow the first floor to twist and present its fractured forms to the street.

An exposed XLam AirStair links the two storeys and creates a unique fixing point for the feature balustrade fabricated from dressed Abodo Vulcan. 

The Vulcan balustrade is expressed in its natural form around the deck with brightly coloured painted tops referencing the features of the local tui.

Tuarangi is the first project in New Zealand to have its Abodo Tundra Douglas Fir cladding coating in iron vitirol. This innovative new finishing option enhances the natural qualities of the band sawn Douglas Fir creating the striking contrast with the black metal cladding adjacent.

Thermally treated timber products from Abodo have been used extensively at Tuarangi to compliment the CLT as it provides the finer details.

As well as balustrades, thermally treated Abodo sand decking has been used with a Sioo:X coating, ensuring the decking will not require recoating for 15 years while providing a natural silver look.

See more of this home

Story by: Trendsideas

Photography by: David Straight

05 Apr, 2020