6 things to consider when choosing your timber piles

Whether as part of coastal defences or forming the foundations of great buildings, timber piles are a solid part of our country’s architecture. These strong, durable trunks are found across the UK and beyond and work tirelessly to replenish our beaches with sand and prevent our coast from erosion! Also, if you are choosing timber piles for your river or retaining wall construction project, here are a few things to consider to ensure you make the right choice.

Which Species is Best For Timber Piles?

When looking at timber species for your piles, you need to consider their characteristics. Every variety of timber has slightly different properties. Those which are the most important for timber piles include:

  • Strength
  • Durability
  • Resistance to rot

Let us take a closer look at what each of these means and why they are important.

Timber Strength

Strength simply refers to how much weight and pressure can be put on the timber before it breaks. A very strong species will be able to take a lot of weight without so much as a splinter. As load bearers, piles must be made of a strong timber.

Timber Durability

When we talk about timber durability, we are talking about how long it will last under constant wear and tear – of course strength is one of the components of durability in sea defence projects, where the timber piles are under constant tidal stress. For more decorative applications, timber does not need to have good durability. But for piles which are likely to be needed for many years and will see a lot of work, it is essential that they don’t dent, crack or break easily.

Resistance to Rot

For all timber pile applications, the need for resistance to rot should be considered. For any timber which is intended for maritime environments, it is particularly important. If your wood species begins to rot at the slightest touch of damp, it won’t last long in the ocean or river! Resistance to rot is also vital for any timber which is in contact with the ground or installed in a humid environment.

Other Considerations

Aside from these three considerations, there are other important properties to consider. For example, a species that doesn’t bend or move very much is a wise choice for driving vertical piles. The surface finish of your timber is important, too, but more so for the planks that connect the piles since you don’t want any gaps between them.

Common Choices For Timber Piles

Some of the most common timber choices for creating piles include:

But there are plenty of other great options out there. Be sure to take your time to find the timber which is perfect for your project.

Make the Right Choice With EcoChoice

At EcoChoice, we are timber experts. No matter what the application, we can find the right species for your project and ensure your construction is fit for purpose. If you need help choosing the right timber for your piles, get in touch with us today and we will be more than happy to help.

Image: CDK Photos / Shutterstock.com

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Choosing timber piles

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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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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.

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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.

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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.

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Good quality, great service, fast delivery!

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  • 6 years ago

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

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