Plastic UPVC Decking

UPVC Plastic Decking Sheffield

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Plastic Garden Decking


When you need a low maintenance option for your decking, you should look towards Plastic/UPVC as an option too. The use of plastic/UPVC decking started from caravans and has now become a choice for those trying to give their outdoor space a lift.

At Decking Sheffield, we specialise in the design, supply, and installation of plastic decking too. This form of decking is made from 100% plastics. The whole idea behind plastic/UPVC decking is to reduce maintenance and avoid issues associated with timber decking. Plastic/UPVC decking is available in a wide range of colours. It’s your call to make on how you want your decking to look.

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UPVC Decking Sheffield

UPVC Decking is made from total from synthetic materials, unlike timber or composite decking. It has found its way into the gardens of many outdoor space enthusiasts. There’s a lot of customisation available with Plastic/UPVC decking; you can choose a colour and hue that mimic expensive timber decking options. We are talking about Plastic/UPVC decking with the look and feel of mahogany, redwood, and pine. Plastic/UPVC decking is a faux wood decking option that can be styled into different textures and designs. You can make your deck look like a natural timber decking, but with a lifetime guarantee that there won’t be warping, splintering, or rotting, even if it is pressure washed.

close up on plastic decking showing interlocking design

UPVC Decking versus Composite Decking


There’s quite a number of similarities between plastic / UPVC decking and composite decking. It all starts with the fact that they both contain artificial materials – but with plastic decking this is almost entirely the case. There are also other areas of convergence:

  • They both provide a long term cost-effective finish
  • Moisture resistant
  • Insect and rot-resistant
  • Low maintenance
  • Durability
  • Attractive design options.
  • Slip resistant (certain boards)

Nonetheless, there are still areas of strength UPVC decking has over composite decking, and this includes; being totally mould-resistant, 100% recyclable, and lighter in weight (comparing like for like).
Looking at the strength composite and UPVC decking has over timber, the synthetic options will win and the difference only widens over time, the difference between composite and plastic will depend on the individual options chosen, such as solid or hollow, but both will perform excellently for standard use over many years. There have been issues with early plastic decking warping or bowing in high temperatures. With advances in materials and fitting with appropriate expansion gaps, this should be a thing of the past but this is one area which composite manufacturers will highlight as a disadvantage of their products against plastic / UPVC decking.

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UPVC Decking maintenance


At Decking Sheffield, we specialize in UPVC decking made to last until you have another outdoor design in mind. UPVC decking material was introduced in 2009, and it is estimated to last between 20 to 30 years, with negligible maintenance. Despite being a low maintenance material, you are encouraged to clean the spill promptly. It would be best if you also powered washed your plastic decking when needed. When you are removing snow, you should use a broom rather than a shovel. Don’t forget to inspect your decking about twice a year and look out for the bolts and fasteners.

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Cost of UPVC versus Composite Decking versus Timber Decking


Due to the variants, such as wood grain effect, hollow or solid composites and UPVC costs can vary quite a bit however both will be higher than timber decking especially softwood timber decking. However, when maintenance cost and time and longer term replacement is factored in, the ‘total lifetime costs’ will swing in favour of the UPVC / composite options. All of the three decking options are good; it’s your choice to make based on your budget and how long you may intend to stay at your property. 

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Frequently Asked Questions

  • How long can I expect timber decking to last?

    A significant factor in the length of time timber outdoor decking will remain safe and looking good will depend on the quality and also the frequency of timber board maintenance. Making use of top quality outdoor decking oils or stains used at an absolute minimum every 3 years will help your softwood outdoor decking last around 15 years. 

  • When should I replace my decking?

    Initially, there will be some visual signs: increased gaps between boards, visible movement of boards or balustrades are indicators that water increase or insects have started to soften or rot the wood. Removing a board and looking at the support structure below is a good safety practice. If the wood is soft then clearly it's time for a full replacement. The support structure is still in good condition the simply replacing the top boards will be a more cost-effective way to revitalise your decking area.  Composite decking boards can be fitted onto an existing timber structure and timber joists so this can be one way to migrate to composite decking with a lower initial investment.

  • Do you supply deck boards?

    No - we are a decking contractor and offer a supply and fit service. We are not a timber merchant or composite decking board stockist so do not offer a supply only option. We will offer a fit only service but please be aware that if there are any shortages of materials or fittings this could have an impact on completion. This isn't the ideal scenario which is why most decking installers provide a full supply fit service as the ownership and responsibility all falls firmly on the decking contractors shoulders to get everything right and provide a quality finish in the agreed timeframe.

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