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Choosing materials for a building project is not just about cost, strength or aesthetics anymore. Increasingly, these decisions also explore impact, both on the environment and people within the supply chain. In the wake of this change, timber has reemerged as a top building material, with wide-reaching implications for the entire construction and project management world.

Whether you are a developer, architect, construction professional or DIY enthusiast, learn more in this guide about how sustainably sourced timber influences crucial building decisions.

What is Sustainably Sourced Timber?

Sustainably sourced timber is derived from responsibly managed forests, where key principles are followed to uphold ethical and environmental standards. Typically, these forests are certified by globally recognised bodies, such as the Forest Stewardship Council (FSC) or Programme for the Endorsement of Forest Certification (PEFC).

By choosing sustainably sourced timber, you help fight against harmful practices in the forestry industry, including illegal logging and overharvesting. Instead these woodlands are managed in a way more mindful of their impact, and follow key principles such as:

  • Ensuring harvested areas are regenerated, either naturally or through replanting
  • Encouraging biodiversity
  • Respecting natural habitats and ecosystems
  • Respecting indigenous communities

They view their activities not as a means to an end, but as a part of a larger system – benefitting our planet and the people living on it.

At EcoChoice, all our sustainable timber – from our decking to our cladding – is independently certified. This makes it easier to align your construction project with your (or your client’s) values and amplify the eco-friendly benefits of this renewable building material.

How Does Sustainable Timber Influence Building Decisions?

Specifying sustainable timber shapes the direction of building projects from the earliest planning stages right through to completion. From regulations to a domino effect of sustainability, one simple choice can have a bigger impact than you might expect. Here’s how:

Meeting Sustainable Building Standards

When it comes to the green credentials of construction, the UK government is setting increasingly high standards. This is particularly true for many UK central government projects, where timber used on the government estate must be shown to come from legal and sustainable sources. Alongside certification, buyers may need evidence of legality and sustainability, often supported by chain-of-custody documentation; an Environmental Product Declaration (EPD) may help with carbon assessment, but it is not universally a legal requirement.

Choosing sustainable timber from a trusted supplier drastically simplifies the decision-making process. We can supply you with all necessary documentation, giving you the peace of mind that you are compliant with UK law.

Increasing Project Sustainability

Carbon footprint is an increasingly important part of any construction project, and reducing it is a smart way to win over shareholders and clients. However, weighing up your options is a time-consuming task taking up much of the decision-making. This is where quick, eco-friendly wins are a major perk.

Sustainable timber is well-known for its benefits, making it a smart and strategic choice. By sequestering carbon as it grows and storing it after felling, your project’s timber can act as a form of carbon storage, reducing the footprint of a building when compared to more carbon-intensive materials.

Supply Chain Transparency

Half of UK businesses – construction and otherwise – admit that they do not have a transparent supply chain. Yet, with increasing pressure from consumers and the government, this has become such a crucial aspect of contemporary practices. Whether you are an architect or a project manager, using sustainable timber simplifies decision-making around supply chains and reflects well on your brand.

Certified timber can be supported by chain-of-custody systems verifying material through the supply chain, but the level of information available depends on the certification and documentation held by the businesses involved.

This transparency helps teams make more informed decisions. With prior knowledge of where your timber is coming from and the potential challenges of the supply chain, you can make the right choices for your project, brand and clients.

Focusing on Long-Term Value

Sustainable timber does not just influence immediate project decisions, but also shapes long-term results. Buildings constructed with responsibly sourced materials are increasingly viewed as future-proofed assets by many consumers, particularly as environmental standards continue to evolve.

Developers and commercial clients are aware that sustainability credentials can affect resale value, tenant demand and overall brand perception. By embedding sustainable timber into a project from the outset, you strengthen its environmental rating and market appeal.

Driving More Conscious Decisions

Opting for sustainable timber can start a domino effect of more conscious decision-making. Not everyone is aware of the potential impact of unsustainable timber, and how a simple switch can make entire projects more ethical and environmentally friendly. With a positive outcome, this can drive more professionals and clients to reconsider the factors affecting their decision-making.

It can prompt conversations around responsible procurement, for instance, as well as supply chain transparency and carbon footprint. Construction professionals may be inspired to review their policies and explore more ways in which their decisions can have a positive impact.

The end result? Constructions which are more conscious, ethical and sustainable from top to bottom.

What Are the Challenges of Sustainable Timber Sourcing?

Decision-making is as much about challenges as it is opportunities. In terms of sourcing sustainable timber, the main concerns needed to be weighed up include:

  • Price: Sustainably sourced timber can be more expensive than unsustainable timber, which needs to be factored into the project’s budget. While in most cases there is room for this slight increase, it might be that project managers need to explore ways to decrease costs in order to prioritise more ethical timber. One option is to consider alternative timber species which provide the same essential structural or aesthetic properties at a lower price point – something where our team at EcoChoice can help.
  • Ensuring true sustainability: Not all products marketed as ‘sustainable’ meet the same standards. Verifying credentials is essential to avoid greenwashing, and we recommend looking for globally recognised certifications, such as FSC and PEFC. You can also work with our trusted team; we carry out due diligence to ensure sustainable sourcing so that you do not have to worry.
  • Access to products: Some clients might be concerned about how sustainability can limit their availability. The good news is that this does not have to be the case, and opting for responsible sourcing still gives you access to a wide range of timber. Alongside the variety of timber species and products we supply, we will be happy to chat more about unique timber requirements to ensure you do not have to sacrifice your vision for sustainability.
  • Client buy-in: Not all clients will understand the value of paying more for sustainability. This can require additional conversations, clear data and transparent cost-benefit analysis to demonstrate the long-term environmental and reputational advantages.

As with so many decision-making processes, education is at the core of successfully incorporating sustainable timber into construction projects. The more you know about credibility, availability and impacts, the better equipped you will be to make informed decisions.

Work With Sustainable Timber Suppliers

At EcoChoice, we make finding sustainably sourced timber easy. Our team works closely with FSC and PEFC-certified forests, ensuring that all our timber follows the key principles of sustainable harvesting. Whether you are looking for timber sleepers, decking, cladding or other timber construction products, we can help.

Browse our full range of timber products to find sustainably sourced timber in the UK.

Looking for bespoke timber? From a niche species to precise specifications, reach out to our team, and we will find what you are looking for.

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Unsure which timer is best for your project?

Our timber experts have years of experience and will be able to match the perfect species to your project, as well as provide a quote for sustainable timber at highly competitive prices.

Frequently asked questions

Do you supply timber for domestic uses?

Yes, we supply timber for domestic applications as well as commercial and public constructions. From garden decking to shed cladding, we will be happy to supply smaller deliveries for home use.

Is your timber FSC-certified?

Yes, all timber we supply is FSC or PEFC certified and sourced from independently verified responsibly managed forests. If we can’t find your request in FSC/PEFC certified timber we’ll suggest an alternative that is certified or clearly note that the offer is minimum EUTR.

Where does EcoChoice deliver to?

EcoChoice delivers to construction sites, warehouses and homes across the UK, as long as there’s access and unloading for our trucks.

What are the best timber species for exterior use?

There are many different timber species suitable for exterior use and which is the best for your project depends on your requirements. In general, though, we recommend EkkiGreenheartOpepe and Oak for heavier civil/marine uses. For intermediary external use such as decking, where the timber needs to be both strong and durable but not on the same level as civil engineering (bridgespiling, etc) we usually supply CumaruIpe, Jatoba, and Balau. And for the lighter exterior use where the timber is non-structural such as cladding, we deliver CedarLarchThermowood and others.

Which timber is the most durable?

Durability Class 1 timbers are the most durable. This of course depends on the use (hazard) class they’ll be in service for. For direct ground and water contact such as sleepers, fenders, marine piling, etc, Ekki and Greenheart are known to be the most durable timbers available. For decking and cladding where there’s no direct ground contact (use class 3) there’s a much wider range of timbers such Larch, Cedar, Thermo modified Pine or Ash and others.

What’s the best timber for internal cladding?

Internal cladding, where your timber is not in ground and not exposed to the elements can be classed as either use-class 1 or 2 – in which case most timbers will meet this durability criteria. That is not to say they’ll be the best, since internal environments have lower humidity (moisture) levels than outside. So in these cases, it’s best to go for a kiln-dried timber cladding board as these are more stable and delivered already in lower MC (moisture content) than the usual fresh sawn timbers sent to external applications. A word of caution – as timber reacts to variations in moisture, it’s best to avoid cladding any areas inside your bathroom.

How can I make decking less slippery?

The first thing is to ensure your deck boards are kept clean from leaves and other debris which will, over time, cover the surface and make it more slippery. Grooved boards can be used to improve grip if installed and used perpendicular to traffic, so especially useful in narrow passages and footbridges. Lastly, you can add our Grip-Choice strips: these are a mix of epoxy with aggregates that add gripping ridges to your deck area. Gripchoice is an easy way to make decking less slippery and safer, especially over large areas or where there’s high traffic. We can pre-install Grip-Choice strips for your decking before delivery or ship the strips separately to add to your existing deck’s grooves as a retro-fit solution.

What wood machining services do you offer?

We can offer planing, sawing, drilling and profiling of rough-sawn wood to any profile you require: from handrails to large port fenders.

Can you supply pre-drilled timber?

Yes, we will be happy to provide pre-drilled timber which is tailored to your needs for quick installation, thus saving you valuable time on site.

What cladding profiles do you supply?

We provide a wide range of cladding profiles, including tongue and groove, featheredge and shiplap. You can check the standard profiles here – but we can also match or custom make profiles to suit your specific needs.

Does timber change colour?

Yes, timber is well-known for changing colour over time. Some species can darken quickly right after installation, and like most untreated wood will eventually weather to a beautiful silver-grey. Interior timber is less likely to change colour (depending on conditions), and timber can be stained, painted or treated with UV-resistant oils to reduce colour change.

Do I need to treat exterior timber?

Some timbers such as Oak and Ekki, can withstand the strains of exterior use without any treatment. However, to extend the lifespan and maintain the aesthetic of your wood, we do recommend treating your timber with stains and oils. Pre-treated timber, such as ThermoWood and OrganoWood, are low-maintenance options which are more durable, but can have their life service extended by applying a clean and stain maintenance schedule.

Do I need to treat interior timber?

Depends on what area the timber is being used. For floor joists and timber rafters, it is common to see timber treated, or least very well kiln-dried. Other uses such as flooring may benefit from varnishing while internal timber cladding for decorative purposes shouldn’t require any treatment other than if you want to change its colour with different types of stains or oils.

Where are you based?

We’re based in Cambridge, UK, and coordinate multiple sawmills all over the world to manufacture your order. We then organise delivery with a range of hauliers so that your orders gets to your site on time.

What are the usual decking sizes?

Timber decking is usually 21x140mm or similar. For heavier applications where there’s more load and traffic, we deliver 35 or 45mm thick boards (such as Hastings Pier). Narrower boards are also possible: 95-90mm is a standard width – but we can manufacture whatever size you require.

What are the usual cladding sizes?

Typical cladding section sizes are 18×95 and 18x145mm although we can always custom make a section to suit your project’s design requirements. That includes waney edge boards in Oak or Chestnut as well as extra wide 195mm boards.

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Good quality, great service, fast delivery!

5

Marinella Li

Always helpful! One of our valued TDCA DeckMark and CladMark accredited supplier members which means their quality procedures are routinely audited and stand up to scrutiny giving you extra peace of mind.

5

Janet Sycamore

Having needed the supply of cladding, decking boards and other specified timbers through out the year Eco choice have been very helpful in sourcing the specified timbers and quantities required at a very competitive price.

5

Tim Saunders

Great quality, service and price. A pleasure to deal with. I would highly recommend Eco Choice.

5

Emma Hurrell

Fantastic company- Mike and the team are the best in the business- worked with them for many years.

5

Prem Raja

Always reliable and quality products, easy to deal with company.

5

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  • 2 weeks ago

Good quality, great service, fast delivery!

Marinella Li

  • 9 years ago

Experts in Timber, Nationwide delivery

Joe Middleton

  • 9 years ago

Great service, quality products and very easy to deal with. Thank you.

Malcolm Coury

  • 9 years ago

Wonderful guys!

Nicola Edmead

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