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Processing

Trees and Timber | WoodBUILD Podcast with Tom Barnes and Andrew Bronwin

July 14, 2021 by admin

Trailer

Everyone has an agenda when it comes to trees and tree planting – in Wales this is one of the first areas of attention for the new administration. There’s broad agreement that we need to grow more trees, we have such a poor level of tree cover in the UK, but there’s less agreement on what we should plant and what we want our future woodlands to be for. The debate is often quite polarised. In this podcast Tom Barnes and Andrew Bronwin talk about the impact of the pandemic, climate change, productive woodlands, the role of government and policy, pests and disease, tree species and how we can add value to the timber our woodlands produce.

Guests

Tom Barnes
Andrew Bronwin
Tom runs his family business Vastern Timber and recently featured in Wood For The Trees. You can find out more about his work at www.tombarnesblog.com and www.vastern.co.uk. Andrew is founder and director of Bronwin & Abbey, Chartered Foresters and Surveyors, located on the Wales / England border in Powys. https://bronwin.co.uk/

Full Podcast

 

Filed Under: Forestry, Podcast, Resources Tagged With: Afforestation, Podcast, Processing, Woodland Management

The new timber sales and marketing plan: Small processors and access to timber on Welsh Government Woodland Estate

June 2, 2021 by admin


NRW’s Timber Sales & Marketing Plan (2021-2026) can offer opportunities for the small timber processing community in Wales. The purpose of this paper is to interpret the Plan and its implications for small sawmillers. This will create a solid foundation for exploring the means by which small processors may be able access timber grown on the Welsh Government Woodland Estate in the future as well as highlight opportunities for future activities and interventions.
DOWNLOAD BRIEFING

Filed Under: Forestry, News, Procurement, Resources, Technical Briefing, Timber, Welsh Timber Tagged With: Processing, Technical Briefing

Unlocking the full potential of offsite manufactured timber housing in Wales: The Challenge of timber price volatility

June 2, 2021 by admin


Unprecedented price volatility of timber is constraining the development of the timber frame manufacturing sector. This threatens the delivery of Welsh Government’s affordable housing, MMC and zero carbon strategies. The purpose of this paper is to highlight issues of concern and offer first ideas to develop potential solutions.
DOWNLOAD BRIEFING

Filed Under: Manufacturing, News, Procurement, Resources, Technical Briefing, Timber Systems, Welsh Timber Tagged With: Processing, Structural Timber, Technical Briefing

5 Essential Strategies for an Emerging Forest Nation

February 11, 2021 by admin

Wales is not a forest nation. Wales is a sheep, beef and dairy nation. Wales is a steel nation.
Like many nations, Wales is the economic country it is, not by political design but largely because of historical accident. And there has never been a better time or more reason to change. We have left the European Union and have also declared a Climate Emergency. A more purposeful approach is now required to achieve the net zero carbon goals set by Welsh Government
Therefore, we are proposing five integrated strategies for how Wales can achieve a just transition to become a new high-value forest nation. A transition that would create substantial employment and a transition for which Wales has many natural advantages.
Wales has suitable and available land for afforestation, fantastic climate for growing the kind of trees that industry needs, the land and workforce for new industries and proximity to almost limitless export markets for high-value timber products.
Wales must move towards more sustainable low-carbon industrial and land-use options that are geared to meeting the resource needs of the low-carbon society and that are economically viable.
Wales is starting from a long way back. This paper sets out how our slow start can be turned to our strategic advantage if Welsh Government decides to lead in the adoption of integrated economic policies outlined in this paper that are purposefully aligned across our construction, manufacturing and land-use sectors.
DOWNLOAD BRIEFING


Filed Under: Forestry, Foundational Economy, Home-Grown Homes, Housing, Manufacturing, Policy Briefing, Resources Tagged With: Afforestation, Forest Nation, forestry, Home Grown Homes, housing, Manufacturing, Policy, Policy Briefing, Processing, Structural Timber, Woodland Management

The role of our own conifer forests for building a sustainable society in Wales

January 29, 2021 by admin

Despite wide recognition of their value, plantation forests are critically misunderstood and undervalued in Wales. Plantation forests comprise around 7% of the planet’s forest area whilst sustainably supplying over 50% of industrial roundwood. This report looks at myths and tropes around home-grown timber and considers research results from wood science and socio-economic aspects across planting, forest management, timber grading and processing.
Modern British sustainable forest management techniques were established 150 years ago and are still appropriate for efficiently growing construction grade softwoods. Exemplar stands of high grade Douglas fir in north Wales grow some of the largest conifer trees existing in Europe. Older conifer stands across Wales have great potential to produce high grade joinery softwood. Sitka spruce forests are routinely denigrated, nevertheless over 95% of Welsh spruce sawlogs can be graded to strength class from C16 to C27 because of Sitka spruce’s high strength to weight ratio. Yet, quality is regularly used as a weasel word in order to reinforce negative views about Welsh homegrown softwoods.
The FAO reported in 2013 that current trends in European forest management could result in an over-supply of wood from broadleaved species, as well as a shortfall of coniferous timber. Planted forests are exposed to socio-economic risks due to governance failures. These risks comprise a weak or inadequate forest policy framework including insecure investment conditions.
DOWNLOAD REPORT


Filed Under: Forestry, Home-Grown Homes, Policy Briefing, Resources, Welsh Timber Tagged With: Afforestation, Building Elements, forestry, Home Grown Homes, Policy Briefing, Processing, Structural Timber, wood science, Woodland Management

More and Better Home-Grown Timber—The role for a consolidator

January 27, 2021 by admin

What might a business plan for the supply of home-grown timber to the Welsh housing sector look like, if it is to be closely integrated with the ownership and management of the timber resource in Wales?
Additional capacity in the sector has been identified in three key areas: secondary processing capacity; in undermanaged forestry and woodland; and a vast potential for greater tree planting in Wales, for a range of drivers.
This outline of a proposed business plan builds upon a previous analysis, which identified low integration between the supply and processing of Welsh timber, against the increasing demands of the construction sector.  In order to deliver a reliable supply of timber, consolidation is required at a point in the supply chain.  This could be achieved at two basic levels, either/or by stock of sawn timber collected from a number of small or medium mills, or consolidation of roundwood at a saw log level feeding predominantly one larger mill. The options for investment in both are discussed in this document. The authors seek not to decide at this stage which is better or worse, but to outline the conditions under which each would be viable.
DOWNLOAD REPORT


Filed Under: Forestry, Home-Grown Homes, Policy Briefing, Processing, Resources, Welsh Timber, Woodland Management Tagged With: forestry, Home Grown Homes, Policy Briefing, Processing

Home-Grown Homes Project—A study for improving the Timber Construction Supply Industry in Wales

January 21, 2021 by admin

The purpose of the Home-Grown Homes project has been to identify and test out interventions that could have a transformative impact on the Welsh timber construction supply chain and on the delivery of low carbon social housing in Wales.
Housing, timber manufacturing and forestry are distinct areas of activity. This project is an exploration of how these three overlapping areas of our economy and society can be drawn into more purposeful alignment.
The project partners have worked closely with a network of organisations across the supply chain and house builders, including 12 Welsh housing associations. Specific actions to improve the business case for tree planting and management on farmland in Wales aimed to create options for re-deployment of farmland to improve productivity and to cope with inevitable reductions to farm incomes post Brexit.
This report identifies which supply chain interventions may be most effective and how they might be applied through regulation or other means.
In addition to the project report, other important outputs have been created that capture the learning from the project activities and support ongoing market driven development of the housing, timber manufacturing and forestry sectors in Wales.
DOWNLOAD PROJECT REPORT
In addition to the project report, ▸▸ practical tools and guidance have been developed for social housing developers, architects and engineers, timber frame manufacturers and wood processors, forestry managers and land owners. A full list of project outputs can be accessed on the ▸▸ project background page.


Filed Under: Forestry, Home-Grown Homes, Housing, Manufacturing, Policy Briefing, Resources, Welsh Timber Tagged With: Afforestation, Home Grown Homes, Policy, Policy Briefing, Processing, Woodland Management

WoodBUILD 2020 Autumn Series – Podcasts

November 2, 2020 by admin

A series of four 60-minute conversations on some of the themes of the Home-Grown Homes Project – Forestry, Manufacturing, Housing and the Foundational Economy. Each podcast features two individuals with a passion for the subject matter and a willingness to share their thinking. David Hedges, Home-Grown Homes Project Manager introduces each podcast and asks the questions.

Our Future Forests

Two chartered foresters in conversation: Jo O’Hara, Managing Director at FutureArk Ltd in Edinburgh and John Healey, Professor of Forest Sciences in Bangor University’s School of Natural Sciences. They discuss our forests, what they look like now, how and why they have changed over time and what the future holds. Plus, forest use, growth and management, culture and history, land use policy, governance and forestry as a career.

Jo O’Hara John Healey

Jo is a member of the Institute of Chartered Forester’s Council – see details here / And you can follow Jo on Twitter @mrsjo

John Healey refers to his work in Bangor. You can find out more about the University’s work in forestry here.

Future Homes and how we build (or make) them

Two timber housing manufacturers in conversation: Jasper Meade, Director of PYC Group in Welshpool and Neil Sutherland, Director of MAKAR in Inverness in the Scottish Highlands. They talk about natural materials, high performing homes, change and the barriers to it, specifications, legislation and regulations, energy and carbon, Passivhaus, collaboration, culture, behaviours and more.

Jasper Meade Neil Sutherland
Jasper is a board member of Woodknowledge Wales and for more information about Jasper’s company, PYC Group, see here. Neil’s company is MAKAR and their website is here.
You can follow Neil on Twitter @makarneil

Better Performing Homes

Two architects in conversation: Fionn Stevenson is Professor of Sustainable Design in Sheffield University’s School of Architecture and Rob Wheaton is Senior Associate Architect at Stride Treglown. They talk about how different the homes of the future will be from the homes we live in now, sustainability, standards, building performance, architecture education and more.

Fionn Stevenson Rob Wheaton
Fionn is the author of Housing Fit For Purpose: Performance, Feedback and Learning, published by RIBA Publishing in September 2019. You can read more about Fionn and her work here.
You can follow Fionn on Twitter at @fionnstevenson
Rob is based in the Cardiff office of Stride Treglown which is a multi-disciplinary employee-owned practice working across the UK. He has recently been working with housing associations on schemes under the Welsh Government’s Innovative Housing Programme. See here.
You can follow Rob on Twitter at @robwheaton

The Foundational Economy

Two Housing Association people in conversation: Debbie Green, Chief Executive with Coastal Housing and Steve Cranston, Foundational Economy Lead at United Welsh. They talk about what the foundational economy is, the pandemic, risk aversion, communities of practice, decarbonisation, listening to people, paradigm shifts and a green recovery.

Debbie Green Steve Cranston
Amongst other things Debbie, who is based in Swansea, has been chairing the Ministerial Foundational Economy Steering Group. You can find out more about her and her career here and follow Debbie on Twitter at @debbiegcoastal Steve, who is based in Pontypridd, has been with United Welsh since 2009 heading up their community investment and in the last year, leading their FE work. He’s also had a period of secondment in the Office of the Future Generations Commissioner. You can find out more about Steve here.  and follow him on Twitter @stevecr

 

Filed Under: Forestry, Housing, Manufacturing, Podcast, Resources Tagged With: Afforestation, Home Grown Homes, Podcast, Processing, Woodland Management

Google Map highlights exemplar timber housing projects in Wales

October 31, 2020 by admin

Explore information on construction, innovative products, use of home-grown timber and Welsh manufacturing, carbon impact and building performance in innovative timber housing projects across Wales.
This map showcases the exemplar timber housing projects Woodknowledge Wales has worked on in some way over the past few years. The Exemplar Housing Project layer contains basic project information. The Whole Life Carbon layer contains data on the carbon impact of those projects for which we have undertaken analyses. The Building Performance layer contains projects where we have undertaken some experimentation into different building performance methods. The Forest Nation Attribute layer attempts to capture the timber story such as the use of innovative products, the use of home-grown timber and the use of Welsh manufacturing.
This map represents our progress to date. We will continue to record the progress of our timber development agenda as well as the progress of Welsh housing in meeting the challenge of Net Zero whole Life carbon over the coming years.
VIEW MAP ON GOOGLE →

Filed Under: Case Study, Forestry, Home-Grown Homes, Housing, Joinery, Manufacturing, Processing, Resources, Timber Systems Tagged With: Building Performance, carbon, Case Study, Construction, Design Specification, Home Grown Homes, Processing, timber construction

Coast Redwood Groves in Wales – a planting solution in a changing climate?

February 24, 2020 by admin

Sequoia sempervirens, also known as coast redwood, coastal redwood, Californian redwood, is a species which is increasingly mentioned when considering alternative tree species to cope with a changing climate in Wales. This may come as a surprise to some given that the deep leaf litter it produces decays slowly and deters ground flora causing a lack of biodiversity. In recent years, this has often been used as evidence against its wider planting benefits. At the same time coast redwood is delivering landscape and societal benefits by storing carbon in the leaf litter substrate and standing timber. As Forest Research say “This is a species that could be grown more widely in Britain with climate warming, not least because it produces a high quality timber.”
Shot from ground up of coast redwood tree at Leighton GroveIn early February 2020, Woodknowledge Wales staff Dainis Dauksta and Ceri Loxton visited the Royal Forestry Society’s Redwood Grove at Leighton, near Welshpool, with Dominic Driver of Natural Resources Wales and Anna Dauksta of Tir Coed to see the coast redwood grove and discuss the potential for Sequoia sempervirens and other softwood species in Wales.
In its natural range, Sequoia sempervirens is confined to a narrow coastal belt, mainly in central and northern California. In the UK, coast redwood was introduced in the 1850s and has been planted on a small scale, often for silvicultural demonstration, landscape and amenity purposes by the Forestry Commission and private estates. The redwood grove at Leighton is impressive – tall straight stems, large diameter trunks covered in thick fibrous bark, towering canopies and dappled light throwing patterns on the deep leaf litter.
New Zealand is one of the countries starting to look at the species more closely and to encourage its planting and establishment. Should Wales follow this example?

Mitigating climate risks

Sequoia sempervirens has some natural advantages to reduce risks associated with climate change in our regions:
● Wind: Its root system can reduce the effects of severe wind. Trees join roots with neighbouring trees and form a strong underground link. The bonding with nearby trees enables them to withstand major weather events.
● Fire: It has the unique ability amongst conifers to re-sprout branches after a fire. Tough fibrous bark insulates the trunk from much of the heat of a fire. While existing branches may be burned the trunk remains alive and sprouts new branches. If a forest has been planted for carbon offsetting, this means that the forest will continue to grow and reduce the potential for future liabilities.
● Insects: In its native range in California there are lots of insects. No insect is known to cause economic damage and none is capable of killing a mature tree.
● Vegetative reproduction: It will sprout from old cut stumps and fallen logs. Because the stumps and roots remain alive and because the heartwood is naturally durable coastal redwood carries more carbon forward into the next rotation.

Adaptability and Carbon Storage Potential

The most interesting characteristics of coast redwood reside in its genetic makeup. Its genetic diversity is very high and the highest of all North American conifer species. Sequoia sempervirens is the only hexaploid conifer with a genome size three times that of its near relative, the giant sequoia. This polyploidy (having more than two paired sets of chromosomes) may explain its extreme survival capability and longevity. The species can clone itself from roots, burls and cuttings. The phenotypic plasticity (how of its leaves allow them to adapt to a wide range of light conditions.
New Zealand foresters are confident that they will be able to breed coast redwoods with more desirable traits than their Californian peers, so that the species can be optimised as industrial roundwood. Attractive compact groves could realise an extremely high carbon storage potential which would justify their new role within Welsh mosaic landscapes.

Suitability for Welsh geography

Forest Research (2016) advise that coast redwood is most suitable for mild, moist climates with more than 1250mm of rainfall, such as those found in Argyll, Wales and southwest England. Favourable locations in terms of climate and site quality will be lower slope and valley bottom sites.
Coast redwood is likely to be a high yielding species. Data from the limited trial sites in the UK indicate high productivity with general yield classes of between 24 and 30 being achieved in England and Wales.
Coast redwood is a species to consider where larch crops are being diversified due to Phytophthora ramorum infection and where site conditions are suitable.

Timber quality – suitable for construction and joinery?

A chalet built in 1966, and redeveloped in 2000 using local wood, including redwood thinnings from the site. The Charles Ackers Redwood Grove at Leighton, Nr Welshpool.

At the site in Leighton a small cabin has been built using local timbers including coast redwood cut from the site. In its native range coast redwood is reported to be used as “veneer, construction lumber, beams, posts, decking external furniture and trim (https://www.wood-database.com/redwood/). However, there is a lack of information about wood properties grown under British conditions.

“My own experience as a sawmiller is that coast redwood cuts and dries really nicely. The heartwood is reasonably durable although there’s a lower proportion compared with western red cedar or larch. The thick fibrous bark may offer potential as an insulating material.” Dainis Dauksta.

Future uses: explore and experiment!

There is more to learn about this species, and while there is a lack of information about wood properties, we also do not know precisely what our wood requirements will be in the future and what processing advancements will have been made. Given the diverse and evolving nature of the timber processing sector it is likely that there will be many future uses.
Because of its high productivity and unusual growth characteristics this species will be of increasing interest in British forestry under predicted climate change. If the carbon sequestration potential of different species is to be considered alongside other properties and multiple landscape requirements, then surely it won’t be long before we start to see increasing groves of coast redwood planted here in Wales?

Filed Under: Case Study, Forestry, Grading, Processing, Welsh Timber Tagged With: Case Study, Processing, Woodland Management

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