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Engineered wood products

Please note: Some of these reports are restricted access.

  • Bonding of Eucalyptus fastigata veneer
    SWP-T103 - Access: NZFFA membership. This SWP report shall at all times be kept confidential and not directly or indirectly be made available to anyone who is not an SWP member.
    November 2020
    Aim of this work: To determine if two standard Hexion commercial phenolic resins will bond the E. fastigata veneer. Previous Hexion NZ work has shown poor bonds with a number of different…
  • Assessing properties of E. nitens laminated flooring
    SWP-T097 - Access: unrestricted.
    April 2020
    Worldwide there is increased interest in engineered flooring products, which combine the look of solid wood with increased dimensional stability (i.e. reduced movement in service) and reduced distortion. Specialty Timber…
  • Peeling pruned E. fastigata for high-stiffness veneers: Part 1. Green grade recoveries
    - Access: NZFFA membership. This SWP report shall at all times be kept confidential and not directly or indirectly be made available to anyone who is not an SWP member.
    March 2020
    New approaches are being sought to produce high stiffness veneers from New Zealand grown trees. Here the feasibility of producing high stiffness veneers from pruned Eucalyptus fastigata has been investigated. 42m3 of pruned…
  • Experimental studies on Douglas-fir CLT connections and core-walls
    SWP-T082 - Access: unrestricted.
    June 2019
    This project report summarizes the experimental testing results of Douglas-fir Cross-laminated Timber (CLT) connections and core-walls. 54 screwed connection tests were performed under both monotonic and cyclic loading, and 31…
  • Rotary peeling of 15 year old E. bosistoana and E. quadrangulata
    SWP-T079 - Access: NZFFA membership. This SWP report shall at all times be kept confidential and not directly or indirectly be made available to anyone who is not an SWP member.
    June 2019
    It was demonstrated that rotary peeled veneers of good surface quality can be obtained from 15 year old Eucalyptus bosistoana and E. quadrangulata trees grown in New Zealand. The mechanical…
  • LVL Stiffness Calculator User Guide
    SWP-T059 - Access: unrestricted.
    June 2018
    This software is only intended to be used as a decision tool that enables questions to be asked about the potential suitability of a wood resource being able to supply a range of LVL grades.…
  • Eucalyptus fastigata Veneer Stiffness
    SWP-T048 - Access: unrestricted.
    May 2018
    UPT (ultrasonic propagation times) on its own is measuring both changes in density and changes in MoE, thus without an independent density measurement it is not possible to reliably determine…
  • LVL Trial: Pre-Harvest Stand Assessment
    SWP-T042 - Access: unrestricted.
    February 2018
    Two trials located in Marlborough have been assessed as a potential source of peeler logs to carry out a peeler study. The trials are: E. bosistoana trial planted in 2003…
  • Eucalyptus nitens Optimised Engineered Lumber (OELTM) Trial
    SWP-T014 - Access: unrestricted.
    September 2016
    The OELTM (Optimised Engineered Lumber) technology produces structural products with known, uniform and reliable properties. There is financial advantage derived from the fact that all the merchantable OELTM production output is certified…
  • Douglas-Fir Optimised Engineered Lumber (OELTM) Trial
    SWP-T007 - Access: unrestricted.
    July 2016
    The OELTM (Optimised Engineered Lumber) technology produces structural products with known, uniform and reliable properties. There is financial advantage derived from the fact that all the merchantable OELTM production output is certified…

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