Composite Deck Care and Maintenance

*10 year manufactures limited warranty (subject to installation guidelines/terms and conditions)

Initial Weathering and Removal of Water Marks 

Your composite decking boards are made from a combination of recycled plastic and plantation wood flour. When new there may be some residual tannins in the wood flour component of your decking boards. This tannin will leach out of the board the first few times that the deck board is wet and will appear as a water stain after the board has dried. This water (tannin) stain can be removed by washing with water if required otherwise it will disappear after the board has been wet/dried several times. You will also notice the softening of the surface colour as the board is exposed to the weather over the first 4-12 weeks. This natural weathering effect varies across the colour range.

General Cleaning

Keep it clean and your composite decking will reward you with years of low maintenance enjoyment. General cleaning with a broom or mop will suffice for most situations, however if you want to give a better clean a dilute solution of sugar soap and warm water and scrubbing brush can be used. 

If damp leaves are allowed to build up or the deck is in a shaded damp site mould or mildew may develop.

Stain Removal

Composite decking is susceptible to stains from BBQ grease, oil, and the tannin in some vegetation. Best results are achieved if the stain is treated immediately with absorbent cloths then apply a degreaser as per the manufacturer's instructions. Follow up with a general clean with sugar soap and warm water.

Scratch Removal

Scratches can be removed with a light sand using 80 100 grit sandpaper, following the grain of the board. The colour and texture changes which occur after this will recede with weathering.

Mould and Mildew

Composite decking has an antifungal agent added during the manufacturing process.

This means your decking is protected against mould, mildew and germs, including bacteria. We recommend that you regularly sweep your deck and periodically wash any dirt and debris from the surface making sure that twigs and leaves do not build up between the boards.

Mould or mildew may develop on the deck if foreign matter and dirt is allowed to build up on the boards. If this occurs we recommend that you wash down your deck using a mild solution of warm water and sodium hypochlorite (bleach). Make sure that you follow the manufacturer's recommendations for use and always test the solution in a non prominent area of your deck first. You can use a pressure washer but do not run this at greater than 8Kpa (1200 PSI) or position the nozzle within 300mm from the deck surface as this may mark the surface of the deck.

Protecting

We suggest a mat under your BBQ to protect from grease stains, and plastic protectors under metal furniture or planters to prevent gouging and potential rust stains. Avoid dragging heavy items over the deck as it will scratch. Scratches can be dealt with by giving a light sand, following the grain of the wood as described above.

Testing

Test any treatment, cleaning products or sanding on a spare or obscured piece of decking to check for changes first.

After cleaning

After any cleaning has been performed, hose off and use an old towel wrapped around your deck scrub or a rubber scraper to remove the excess water. On a warm day the deck should dry with no water marks in a few moments

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