Effortless Methods For Composite Decking Canberra - New Opportunities


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I noticed that after using the chlorine bleach based products that contain sodium hypochlorite to remove the mold, the mold never was completely removed. I noticed black spots only when the deck was still wet. In fact, all I was doing was removing the dead surface layer of the mold and was watering the mold roots. See the links on the Corte Clean web site to OSHA, the EPA and Spore-Tech before using chlorine bleach on a POROUS surface like Trex composite decking.


There are options for cleaning vintage Trex composite decking - The Washington Post

There are options for cleaning vintage Trex composite decking.

Posted: Mon, 13 Apr 2020 07:00:00 GMT [source]


This may happen once or twice after the initial cleaning. Once that phase is over, keep your composite decking looking good with a necessary routine cleaning. This can be done by diluting 4 parts water with 1-part Spray & Clean and spraying your deck every 60 days or so during the season. You can also spray an hour or two before an oncoming rain storm which is a perfect way to rinse your deck naturally. We try not to play favorites with our products but there’s no denying that Spray & Clean is one of our stars. We’re going to start with this product which you can buy at WashSafe.com. In order to best maintain the surface of your composite deck railing, avoid any products that have acetone and other kinds of solvents, as they will alter the color of the railing.



It’s crucial to make sure that you rinse the deck thoroughly; if any dirty water is left on the surface it will dry and create a film on the composite deck boards. Pressure washers are safe for composite deck boards as long as the pressure is no greater than 3100 psi and features a fan attachment and soap dispenser.


Cleaning Composite And Wood Decking


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Rinsing is required so care should be taken to not use hard water for this purpose, and if it must be used, dry with a cloth or use a blower to dry surfaces. Even small amounts of oxygen bleach can leave discolored spots on your composite deck; avoid using bleach products and try a different stain remover or make your own. Spraying your deck with soap, followed by gently scrubbing each individual deck board is the best way to make your composite deck shine. However, if your deck boards are still dull, try using Resist Mist. This product not only rids your boards of mold, tree sap, mildew, and grease/food stains, but it also leaves the deck shining and looking brighter. Resist Mist also has the ability to prevent mold, mildew and algae from growing again. Mold and mildew can grow on nearly any building material.


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Does composite decking get mold?

Composite decking is a man-made synthetic mixture of 'wood flour' and plastics which are highly susceptible to mold. The finely ground 'wood flour' become a veritable Petri dish for mold. Mold gets into the crevices of composite decking and clings to the fine wood particles and has a very difficult time getting out.


Pressure Washing Your Composite Decking


In most cases, a garden hose is sufficient for regular cleaning. If you have to pressure wash your composite deck, remember to keep it at the lowest pressure possible and no closer than eight inches from the deck surface.


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  • See the links on the Corte Clean web site to OSHA, the EPA and Spore-Tech before using chlorine bleach on a POROUS surface like Trex composite decking.
  • For early-generation composite products (Trex Accents®, Trex Origins®, Trex Contours®, Trex Profiles® or Trex Brasilia®), we recommend a semi-annual cleaning with a composite deck cleaner.
  • To maintain the beauty of your Trex® deck, a little care and cleaning goes a long way.
  • All exterior building materials require cleaning and a Trex deck is no different.
  • If your deck is one of the high-performance product lines from Trex (Trex Transcend®, Trex Enhance® or Trex Select®), soap-and-water cleaning or a gentle pressure washing will do the trick.

Address stains as soon as possible, and make sure your deck continues to maintain adequate drainage to prevent mold and mildew from growing. If this is the first time you have cleaned your deck it’s possible that there are deep set mold stains that the solution didn’t reach. They may rise to the surface at some point and need cleaning again.




In most cases, a garden hose should be sufficient for regular duty cleaning. If you must pressure wash, just remember to keep it at the lowest pressure possible and no closer than 8″ from the surface. Pressure washing too close or using too much pressure can ruin your deck.



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Even if it appears clean, it is important to prevent build-up of pollen/debris. Mildew stains may occur where moisture, pollens, and/or dirt are present.


Which is better vinyl or composite decking?

When comparing artificial decking materials, PVC comes out on top as the deck boards that are less susceptible to the scratches that damage composite boards. Plus, while any material left in the sun will show fading, vinyl is also better protected against color fading than composite.


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It worked far better than Olympic Deck Wash, BEHR No. 62 Multi Surface Cleaner and Mildew Stain Remover or any number of the other products I purchased and tested. Courtesy of AmazonOxygen bleach products are supposed to be safer for the environment. They may not tackle stubborn mold and algae that has set into wood decks, but if used more frequently, that mildew and algae shouldn't build up quite so often.


Can you use vinegar to clean composite decking

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