Reports by date
- The decay resistance of six Eucalyptus species in stake and stakelet trials - 2024 Eucalyptus stake assessment results
Specialty Timbers NZ report n/a
December 2024
2024 Eucalyptus stake assessment results have been made available to industry by Scion but funding was not available for Scion to produce a report. Group no. Tree Species Index of Condition…
- Abies grandis bending strength and stiffness
Specialty Timbers NZ report 011
August 2024
Eleven Abies grandis trees were harvested early September 2022 from the upper Pohangina Valley, in the Manawatu District. The growth rings showed an age of 30 years. The trees were closely spaced…
- The decay resistance of alternative species in an accelerated framing test - Assessment of decay after two years' exposure
Specialty Timbers NZ report n/a
June 2024
These assessment results have been made available to industry by Scion, but funding was not available for Scion to produce a report. Sets of framing samples were exposed in high…
- Growing Alternative Exotic Forest Species Booklet
SWP-T174
June 2024
The species featured in this booklet are commercial exotic species, and their wood can be used in product lines that radiata pine is generally not suitable for. The species featured…
- The decay resistance of six Eucalyptus species after seven years four months exposure
ITP-TR012
October 2023
Durability stakes and stakelets were prepared from six different durable Eucalyptus species, (Eucalyptus bosistoana, Eucalyptus quadrangulata, Eucalyptus pilularis, Eucalyptus sphaerocarpa, Eucalyptus globoidea, Eucalyptus muelleriana). These Eucalyptus species had been selected…
- Decay rate of Cypress stakes after two years six months exposure at the Whakarewarewa test site
ITP-TR011
October 2023
Stakes of Cupressus x ovensii grown in Rotoehu and Riverhead, and Cupressus x leylandii (Leyland cypress) were installed in the Whakarewarewa outdoor test area in April 2021. Untreated radiata pine…
- Variation in adaptability and productivity between durable eucalypt species in different New Zealand environments
SWP-T164
August 2023
This report summarises early results from a total of 14 demonstration trials implemented by the NZDFI established across North Island regions and those in Marlborough, Nelson and North Canterbury. The…
- The Specialty Woods Products Research Partnership FINAL REPORT 2015 – 2023
SWP-T170
August 2023
This report summarises the technical content and outputs of the SWP. The programme should be considered as initiating the research and development needed to develop a specialty wood products industry.…
- The decay resistance of some wood species used as framing - Final report on the condition of samples
SWP-T096
July 2023
Sets of framing samples were exposed in high humidity conditions of 85-90% relative humidity and 25 – 27°C. The species included in this test were: Untreated Cupressus lusitanica. Untreated Douglas fir. Untreated Eucalyptus nitens (installation…
- Developing fully compatible taper and volume equations for all stem components of Eucalyptus globoidea Blakely trees in New Zealand
SWP-T134
July 2023
Background: Individual-tree taper and volume equations are essential for forest management. They provide estimates of volume that are incorporated into plot-level volume equations and also into growth and yield models…
- Recalculation of Ovensii Bending Strength and Stiffness
SWP-T154
July 2023
In terms of bending stiffness, the C. ovensii achieved the SG6 structural grade, in terms of bending strength, the C. ovensii achieved the SG12 structural grade resulting in an overall grade of SG6. To…
- Decay rate of Cypress stakes after two year’s exposure at the Whakarewarewa test site
SWP-T167
June 2023
Stakes of Cupressus x ovensii grown in Rotoehu and Riverhead, and Cupressus x leylandii (Leyland cypress) were installed in the Whakarewarewa outdoor test area in April 2021. Untreated radiata pine and CCA H4 treated…
- Genetic structure and diversity in the NZDFI Eucalyptus bosistoana and E. argophloia breeding populations
SWP-T168
June 2023
This report on SWP Work Plan WP126 is of preliminary nature. It is an unexamined thesis chapter from Seoljong Kim’s PhD thesis, developed at the University of Canterbury under the supervision of…
- Experimental Studies on Single and Coupled Douglas-fir CLT Shear Walls with High-Capacity Connections
SWP-T169
June 2023
As an engineered timber product, cross-laminated timber (CLT) is currently gaining popularity in New Zealand and globally. This two-year project aims to develop high-capacity Douglas-fir CLT shear wall structures that…
- The condition of thermally modified cypress and Douglas fir flat panels after one year’s field exposure
SWP-T171
June 2023
After one year exposure at the Whakarewarewa test field site in Rotorua, there was no decay on any of the untreated Cupressus macrocarpa, Cupressus lusitanica, Cupressus x.ovensi and Douglas fir flat panel samples. No…
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- Import substitution - Report
January, 2024
In order to supplement New Zealand’s native timber supply, exotic species were introduced throughout the late 19th and 20th centuries, to support both domestic structural and specialty purpose applications. Despite attempts to supply…
- Mac Black Whanganui field day, April 2023
April, 2023
The weather might not have been ideal, but the enthusiasm was palpable as more than 50 people gathered at Richard Thompson and Laurel Stowell’s Papaiti forest, Whanganui. Particularly impressive was…
- Natural durability, accelerated framing tests and relative durability
August, 2021
The New Zealand Building Code offers three pathways for proving durability performance of materials under section B2/VM1 Durability Evaluation. These are History of Use, Similar Materials Tests and Laboratory Tests. Laboratory Tests can…
- Proposed Legislation to implement a National Wood Legality Assurance System
August, 2020
In July 2020 the Ministry for Primary Industries released a proposal to implement a National Wood Legality Assurance system. Farm Forestry Timbers welcome this proposal and fully support strengthening of New…
- Building System Legislative Reform Programme, public consultation
April, 2019
The Ministry of Business Innovation & Employment (MBIE) administer the building code and are proposing major changes to NZ's building laws to: increase the quality of information about building products;…
- Member profile - MacDirect
May, 2018
For the last 25 years I have been developing the local market for Lusitanica and Macrocarpa timber. Our sawmill sources trees from predominantly plantations. Coming from Dairying then owning a…
- Determinations, specialty timbers and the building code
July, 2017
What do you know about "Determinations"? Well... Determinations are best described as judgements made by MBIE where disputes arise between the Building Consent Authority (BCA) and those undertaking building work. BCA's must…
- Harvesting & Milling Indigenous Timber on Private Land
June, 2017
Owners of land with indigenous forests have several options if they wish to harvest and mill indigenous timber. The milling of native timber is regulated by the Forests Act which…
- Optimised Engineered Lumber (OEL), timber framing for the future?
February, 2017
The Specialty Wood Products Partnership is a seven year partnership between central government and the forest industry. It aims to investigate the development of new wood products from locally grown…
- Report on Farm-totara sapwood and resistance to common household borer
January, 2017
Examples of Totara Sapwood Resisting Attack by the Common Household Wood Borer (Anobium punctatum) A Report Prepared by Paul Quinlan for Tane’s Tree Trust, January 2017 Download the report here >>
- Tawa timber An updated perspective on opportunities and issues
November, 2016
Rob Allen and Brenda Tahi From Indigena, November 2016 In his 1994 book titled New Zealand Timbers Norm Clifton concluded that the ‘writing is on the wall’ for tawa timber.…
- Totara and the Building code
June, 2016
Potential markets for farm-totara timber would be significantly improved by complying with New Zealand’s performance-based Building Code. A range of products and applications hold the promise of market demand but…
- Sustainable management or tropical rainforest destruction?
August, 2015
A New Zealand delegation made up of members of the NZ Imported Tropical Timber Group, representing buyers of tropical rainforest timber, recently visited the Solomon Islands to check out supplies…
- Timber Imports mean export of environmental impacts
May, 2015
Wednesday, May 13, 2015 Roger May This article highlights trends in timber and timber product imports. It also addresses the implications for farmers and foresters growing special-purpose timber species and…
- Structural properties of specialty timbers and the Building Code
March, 2015
Farm Forestry Timbers media release, March 2015. Farm Forestry Timbers Society and NZFFA with support from AGMARDT have tested the characteristic stresses of five specialty timber species to meet the…
- Fire Ratings and timber
November, 2014
Amendments to the fire protection provisions of the New Zealand Building Code has received publicity around the effects these changes will have in reducing opportunities to use timber in buildings.…
- Prosperity from Forestry and Wood Products
November, 2013
Wood council of NZ Inc. Media Release, November 2013. The forest and wood products industry has the ability to deliver renewable and resilient growth. There are a number of areas…
- Vital investment tool developed for wood processors
June, 2013
WOOD COUNCIL OF NEW ZEALAND Media release: WoodScape Study, 4 June 2013. A major study report released by the Wood Council highlights the need for by-products from established industries like…
- Australian Government Illegal Logging Prohibition Act
November, 2012
Illegal logging has significant environmental, economic and social costs. Legislation designed to promote the trade in legally logged timber and timber products is now law in Australia. If you are…
- INAUGURAL MEETING OF THE FARM FORESTRY TIMBERS SOCIETY
November, 2012
Farm Forestry Timbers held their inaugural meeting on 17th November 2012. It was agreed to constitute the Society by resolution. The Rules of the Farm Forestry Timbers Society can be…