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Composite vs. wood decking: Pros, cons & cost 

A garden deck is a fantastic way to blend indoor and outdoor living. If you’re building decking in your next landscaping job, you might be thinking which material is best to use — composite or wood. 

The answer depends on various factors including the budget available, what it will be used for mostly and how often it is likely to be maintained. Each has advantages and homeowners might already have a style in mind. 

This guide explores the differences and pros and cons of composite vs. wood decking so that you can offer advice to customers and help them make an easier decision.
 

composite decking

What is composite decking?

Composite decking is made from wood fibres, plastic (recycled or new) and chemical binding agents. Mixing wood with plastic helps create the appearance of natural wood while being durable and low maintenance. It’s a popular choice for people who want the look of timber decking but need something more straightforward to look after.

To make composite decking, wood fibres and plastic are heated and moulded into boards or tiles. The decking comes in several styles, colours and finishes, so there’s loads of choice.

Uncapped vs capped composite decking

Composite decking usually falls into two categories — uncapped or capped. 

Uncapped is an earlier version of composite decking and contains exposed wood fibres, meaning it’s more susceptible to rot and fading. Capped composite decking features a plastic shell bonded to the core during manufacturing, which offers more protection.

Generally, capped composite decking is recommended to protect the deck from looking worn and to prevent potential repair costs.
 

wood decking

What is wood decking?

Wood or timber decking is made entirely from real wood, such as cedar, redwood and pine. It’s been a popular decking style for ages thanks to its natural appearance. 

Wood decking is available in several grades or sizes. You can also treat it to protect it from rot, insect infestation and the outdoor elements so it looks good for longer. Over time, homeowners might need to sand or refinish the decking to restore its appearance. 

Despite needing a bit more maintenance, wood decking is still popular with homeowners who want a more affordable and natural-looking outdoor living space.

Hardwood vs softwood decking

Homeowners usually pick between hardwood or softwood when choosing what timber decking they want to go for.

Durable hardwood is sourced from slow-growing trees and takes longer to process, which makes it more expensive than softwood. Softwood decking comes from coniferous, evergreen trees such as pine and spruce. It must be treated pressure treated with preservatives to protect the wood. Most garden decks are made from softwood as it’s readily availability and costs less as a material to buy.
 

How much is composite decking vs wood decking?

The cost of composite decking vs wood decking depends on the style and type of wood used. For example, composite decking is usually more expensive than softwood decking but may be cheaper than some types of hardwood. 

The typical price of composite decking varies between £45 to £200 per square metre, including decking boards and fasteners. Delivery fees and labour will be added on top. Wood or timber decking generally has a lower initial cost than composite decking. However, you should advise homeowners to consider maintenance costs — wood decking requires more upkeep and won’t last as long. 

How long does composite decking last vs wood decking?

You can expect composite decking to last longer than wood decking — around 20 to 30 years. Some composite decking even comes with a limited lifetime guarantee. The addition of plastic means composite decking is protected from mould, insects and extreme temperatures. It’s also less prone to cracking, splintering, and fading. 

However, you should also speak to the homeowner about proper care guidelines so that they can extend the deck’s lifespan.

On the other hand, wood decking usually lasts 10 to 15 years. This varies depending on the level of care received and the type of wood used — hardwood typically lasts longer than pressure-treated pine. Sealants and stains can be used to protect the decking and prolong its lifespan.

Is composite decking slippery?

Some homeowners may be worried about the slipperiness of composite decking as it contains plastic and will be walked on.

Composite decking is generally less slippery than wood decking when dry, but this can change if it gets wet. How slippery it gets depends on the surface — smooth, polished decks will have less traction than textured styles. The angle of the deck can also affect slipperiness. If concerned about slipperiness, consider composite decking with a non-slip pattern or coating and use slip-resistant mats or tape. This improves the decking’s traction during wet conditions.

Composite decking: pros and cons

Before deciding on a decking style it’s a good idea to weigh up the pros and cons of each type.

Composite decking is a newer option and is long lasting with little if any maintenance costs. Before building, it’s essential to understand the advantages and disadvantages of using composite decking.
 

composite decking planks

Pros

  • Low maintenance – Composite decking is resistant to rot, moisture and insect damage. This results in less maintenance than traditional timber decking and means it doesn’t need to be sealed or stained for protection.
  • Durable – Composite decking lasts longer than wood and is designed to withstand extreme weather and temperatures to last many years. Most composite decking comes with a warranty.
  • More styles – Lots of styles, colours and finishes are available.

Cons

  • Cost – Composite decking is generally more expensive to buy than most softwood decking.
  • Difficulties of repair – Composite decking can be more challenging to repair than wood decking.
  • Heat retention – In hot weather or direct sunlight, composite decking can retain heat and feel hot to walk on. 
  • Heavy – You’ll need a stronger foundation because composite decking is heavier than natural wood as it uses more recycled materials.

Wood decking: pros and cons

ood decking has been popular for many years thanks to its natural beauty and affordability. Here are the pros and cons of using wood decking.

wood decking paint

Pros

  • Affordable – Wood decking, especially pressure-treated softwood, is more affordable than composite decking.
  • Natural looking – Wood is a good option if a customer is looking for a natural look. 
  • Easier to repair – Homeowners can easily maintain wood decking by sanding or refinishing it if it becomes damaged or scratched. 
  • Sustainable – Wood decking can be eco-friendly using sustainably-sourced wood.

Cons

  • Suspectable to damage – Exposed wood decking is more likely to suffer from rot, insect infestation and moisture. 
  • High maintenance – Wood decking requires regular cleaning, staining and other upkeep to maintain protection.
  • Variable quality – The quality and appearance of wood decking vary depending on the type of wood used.
  • Weathering – Wood decking is more likely to suffer the effects of weathering, such as fading, cracking and splitting over time. 
     

Chat with the homeowner and find out their requirements when you start a landscaping project, giving them the information outlined. You’ll then be able to make an informed decision and provide the homeowner with the best decking to suit them. 

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