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Last edited 23 Mar 2018
Is Welsh timber suitable for use in construction?
[This is a test 'research findings article' based on the draft Research findings dissemination template - DRAFT FOR COMMENT ONLY]
[Image: Modular beach hut designed by Design Research Unit Wales, drawn by Wayne Forster. Available under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.]
 Research title
By Steven Coombs.
Published online on 25 Jan 2018 by Taylor & Francis Online.
Free to access at https://doi.org/10.1080/13602365.2018.1424394.
 How people can use this research
This research will help designers and contractors assess whether it is advisable or desirable to use Welsh timber for the construction of building envelopes. It explains the species that might be used, how they might be used and what the limitations are.
 What people need to know
However, the crop is considered by many in the industry to have limited commercial value and use. 88% of softwood used by the secondary processing sector is imported, with Welsh-grown softwood used for fencing, pallet making, pulp for paper and as biomass fuel.
Species of Welsh-grown softwood and hardwood are appropriate to use as long as the species’ properties are understood and respected. There is an opportunity for low-tech engineering of short and small section timber (150×150×1200mm), as an output of continuous-cover forestry.
Sitka spruce (30%), larch (8%), Douglas fir (4%), oak (10%), sweet chestnut (<1%) and/or ash (7%) are Welsh-grown timber species with properties that have potential for use.
The current supply and production of Welsh-grown softwood is structurally graded at C16. Any innovations with Welsh-grown softwood must work within standard sawn sizes and C16 structural grade or involve innovation beyond these limitations.
Access the full research paper at: https://www.tandfonline.com/doi/full/10.1080/13602365.2018.1424394
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