WESTERN RED CEDAR
Western Red Cedar (Thuja plicata) weatherboards are compliant for above ground use in accordance with New Zealand Standard NZS 3602: 2003 Timber and Wood-based Products, specifically B2.3.1 (b), for use in building and when fixed above ground, exceeds the minimum 15 year durability requirement.
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LARCH
European Larch (Larix sibirica)
Larch is utilised in horizontal and vertical cladding profiles that are compliant with Branz Bulletin 411. Siberian Larch timber grade supplied by Rosenfeld Kidson & Co Ltd is a mixture of Grades I, II, and III, called Unsorted I-III. The Unsorted I-III grade of Larch is compliant with NZS3631:1988 NZ Timber Grading Rules. Larch is independently appraised to show compliance with B2.3.1 (b).
The Larch supplied by Rosenfeld Kidson & Co Ltd has a factory applied oiled finish using Dryden WoodOil. The Larch profile types supplied are available in a band sawn face (BSF).
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TRUWOOD®
Thermally modified Ayous
Truwood is utilised in horizontal and vertical cladding profiles that are compliant with Branz Bulletin 411. Truwood is a thermally modified, clear grade, low density hardwood. Truwood is produced using the latest thermal modification technology, which involves applying heat at 160 – 230°C, water vapour and pressure to the timber.
The thermal treatment provides a rich Teak coloured timber with great properties of durability and stability without any chemical treatment, resins or glues - just heat and wood. Truwood is independently appraised to show compliance with B2.3.1 (b).
The Truwood supplied by Rosenfeld Kidson & Co Ltd has a factory applied finish using Sansin WoodForce.
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