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The Timber Decking Association (TDA)

FAQs

How long will a timber deck last?

A timber deck should provide years and years of pleasure. That's because naturally durable timber species or rot proof pressure-preserved wood is used in their construction. If the deck has been built using the correct materials and good building practices then it will last almost indefinitely if properly looked after. In fact, timber that conforms to the TDA DeckMarkTM Quality Scheme will come with a performance warranty of between 15 and 25 years.

Are decks slippery in wet weather?

The key factor in preventing slipperiness is to ensure that the deck surface is kept clean and surface deposits such as mildew, algae and fine mosses are kept at bay for it is these deposits that cause slipperiness on any surface, even stone flags, in wet weather.

Our recommendation is to give decked surfaces a frequent brush with a stiff broom and to give them a thorough clean once a year in spring or autumn using either a power spray washer or a proprietary deck cleaning product.

TDA members produce a range of deck cleaning, maintenance and decorative products to help keep decks looking good.

How do I keep my deck looking good?

All decks will benefit from regular brushing with a good stiff broom on a frequent basis throughout the year.

Once a year, in Spring or Autumn, we recommend giving your deck a more thorough cleaning using a pressure spray or a purpose made product like Cuprinol Decking Cleaner which is formulated to remove grease and discolouration and restore the look of the wood. Keeping the deck surface clean in this way not only keeps it looking like new it also reduces the conditions that cause any surface to be slippery when wet.

Unless a deck is painted with a stain, the original colour of the timber used will fade gradually when exposed to the elements. Whether your deck is made from a deeply coloured hardwood or the more mellow hues of a softwood species it will fade over time to a pleasant grey . However, using a clear water repellent coating will help to prevent fading.

Timber is a natural product and as your deck timbers weather, small cracks are likely to appear on the surface of the boards. These are caused by the intermittent wetting and drying of the wood and are part of the character of wood. They have no structural effect whatsoever. This natural ageing process can be slowed by the annual use of a clear water repellent coating.

Are the treatments used in protecting softwood decking timber in any way harmful?

No. Timber decking is entirely safe - even for pets and plants.

The strictly controlled process of impregnating the timber means that the preservative substances found in decking are 'locked' into the wood - even when in contact with water.

What type of Screw/Fixings are used?

All fixings are galvanised/rust resistant. The main manufacturers we use are Timberlok, Spax and Heco-Topix.

Are manholes a problem within an area to be decked?

In general, No. If they are too high they can be lowered. A discreet trap must be left within the deck for access, if it is ever required.

I have a deck which has been neglected over the years can it be rejuvenated?

Yes. We also clean and restore neglected decks. The cleaning liquids we use are eco-friendly and totally chemical free.

Is it possible to ramp a deck area? For wheelchair access etc.?

Yes. We have done this many times. With a handrail also if necessary. If the slope requires specialist deckboards with extra grip these are available, which blend into the surrounding deck very well.

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