How long should my decking last?

If you have just installed decking, you are probably relishing the days spent basking in the sunshine or chatting with friends under a starry sky. A deck is the perfect way to create a more functional garden, and there is no doubt that you will want to make the most of it! But you might be asking yourself how long this space will last. Wood, as we all know, doesn’t last forever, but for how long can you enjoy your decking?

How Long Does Timber Decking Last?

A timber deck is generally a long-lasting structure. If installed correctly and maintained properly, it could be a feature in your garden for well over twenty years! That gives you plenty of time for summer barbeques, roasted marshmallows on bonfire night and priceless evenings spent laughing with the people you love.

But the lifespan of your decking will vary depending on a number of factors. If you don’t take care of it, your wood may fall apart in just a few years. Let us take a look at what you need to be aware of to ensure your decking sticks around for longer.

Most Timber Will Be Pressure Treated

Most timber used for decking will be pressure treated softwood. This is an industrial process that creates a more durable wood by adding a preservative as another layer of protection, thus making it fit for outdoor decking use.

Some Species Are More Naturally Durable

Regardless of treatments, there are some species of timber which will simply last longer, and some which will not. The longer-lasting timber is usually more expensive but in the long term may cost you less as you don’t have to replace the wood as often. Two very common timber species for decking which are naturally durable are Ipe and Balau. These are both great choices and do well in outdoor applications, making them ideal for your decking. What’s more, they don’t require heavy chemical treatments as do the standard Pine decking found at DIY stores.

Use the Correct Fixings

It is not just the wood that plays a part in how long your decking will last, but the fixings as well! Make sure you use high-quality metal fixings which are resistant to corrosion or are stainless steel. If you are unsure which metal to use, it is always best to check with the timber manufacturer to prevent any issues.

Invest in highly durable joists

Decking joists are long planks of wood that form the foundations of your decking. Ensuring that you choose a highly durable material which is strong and resistant to wear and tear is essential. Any timber used for joists should be pressure treated to a higher specification (use-class 4) as they are in closer contact with the ground. Good foundations are the key to building any long-lasting structure, decking being no exception!

Keep Up Regular Maintenance

Last, but certainly not least, is maintenance. The work you put into your deck will always be rewarded with a longer lifespan and can make a huge difference in the appearance of your timber too. Use a stiff brush regularly to sweep your decking and remove any build-up of grime, moss and debris. This is especially important in areas which are shaded where dampness can create more of a problem. Review your timber annually for damage, and re-apply treatments and staining as needed to maintain durability.

Invest in Quality Timber With EcoChoice

If you are looking for a durable timber species with which to build your decking, we can help. Our team are timber experts and can give you plenty of advice to help you make the right choice. Reach out today and we will be more than happy to help!

Image: Radoslav Cajkovic / Shutterstock.com

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How long does decking last

Ask Joe! Expert industry advice

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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What our customers say about us

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

Stone Zone

4.9

Average rating on Google Reviews

  • 6 years ago

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.

Tim Saunders

  • 3 years ago

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.

Janet Sycamore

  • 9 years ago

Excellent service and outstanding product

Cindy Dicks

  • 6 years ago

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

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