How to Restore Trex Decking | Make it Look New Again


Trex Decking, Trex provides one of the best decking materials that require less maintenance. Unlike wood, this hardy composite decking won’t stain, warp, fade, rot or warp. However, the long seasons of snowfall and storms can leave behind debris, mold, and dirt that can ruin its beauty. Let’s look at how to restore your Trex decking to get it looking brand new again.

Trex Decking, Cleaning regularly is a recommended way of restoring a Trex Deck. Regular sweeping and a good cleaning with soap and water once a season will rejuvenate the deck color and keep it looking new all the time.

How to Restore Trex Decking – Steps

Trex Decking, Apart from transforming your outdoor space, a deck provides a great area for gatherings with family or friends. Making sure you correctly maintain your composite decking should be enough to make it last longer and be ready for use. While Trex decking does not need painting or staining, cleaning can help restore its color and looks.

Proper cleaning of a deck removes mold, sticky dirt, and another type of stains. While Trex doesn’t require daily cleaning, doing it after a season of snow, storm or heavy use will restore its luster and color. Fortunately, cleaning a Trex decking doesn’t need any fancy material or products, you’ll simply need a water hose and soapy water.

Step 1: Clear the deck

Start by removing any moveable items from your deck. This includes furniture, flower pots, rugs, electric appliances, and any large debris. Hose down your deck to remove any small debris from in-between spaces. You may need to use a broom to dislodge small debris such as tree leaves, pine, and pollen.

When cleaning, ensure that all debris is removed in between deck gaps. If left behind, they can easily trap moisture thus encouraging the growth of mold and mildew underneath your decking. Keeping these gaps clean also provides for free airflow which helps in keeping the underside of the deck dry.

Step 2: Apply a deck cleaner

Make your homemade deck cleaner by mixing 1 gallon of warm water and 2 tablespoons of ammonia-free dish soap and spray down your deck. Alternatively, combine half a cup of distilled white vinegar with a gallon of water and a cup of baking soda to combat mold stains. You may use a recommended deck cleaner but stay away from chlorine bleach or ammonia-based cleaners.

After spraying your deck with a cleaner or soapy water, use a soft-bristle broom to scrub down any sticky dirt and stains. Trex decking is usually resistant to mold and the most common stains. This even makes it easy to remove any stains that appear to be forming on the surface of the deck.

Step 3: Hose to rinse

Once done spraying the soapy water, hose down again with clean water to rinse away all the loose dirt and the soap solution. Do not leave suds to dry on your decking as this can create a cloudy residue. When rinsing, ensure you are using soft water. It is not good to rinse with hard water as it contains salts that can stain your decking.

You may also use a pressure washer with no more than 3100 psi with a fan tip. Composite decking is softer than natural wood and using a pressure washer at too high psi settings can result to chipping, cracking or fading. When used correctly, a pressure washer can easily remove stains or any sticky dirt.

Does Trex Decking Fade?

Fading is one of the major concerns with the appearance of decking material. Decking boards losing their original color over time is something most homeowners get worried about. However, this concern has been genuinely addressed by Trex decking.

While early-generation of Trex composite decking would fade to a lighter color 12-16 weeks after installation, the newest line of composite decking fight weather and age with a protective shell. This has eliminated fading concerns and you even get a 25-year warranty against it.

The Trex decking protective shell not only prevents fading but also protects against warping, scratching mold, and mildew stains. This has been tested for years and homeowners and businesses have gained confidence in choosing Trex decking boards.

While Trex decking is fade-resistant, this cannot be guaranteed if you are not taking good care of your decking. There are a number of things that may cause premature fading of your composite decking. They include the following:

  • Inappropriate cleaning technique: Trex decking may lose its color when cleaned with ammonia-based cleaners, chlorine bleach, wire brushes, or a pressure washer with high psi settings. Using hard water to clean can also lead to salt build-up on the decking which can tarnish its appearance.
  • Poor maintenance: Although low-maintenance, Trex composite decking needs some moderate level of maintenance. You should keep it clean by clearing debris like leaves, dust, and any other material that may promote rot or the growth of mold.
  • Inferior outdoor rugs: Adding a rug to your decking can spruce up your outdoors but can be a risk to your composite decking. Rugs or padding made from inferior materials can damage your deck by releasing chemicals that promote discoloration.
  • Heat: It is fun to brave a chilly evening around a fire pit on your deck. However, without proper protection, a fire pit or grill can damage your composite deck. If not losing its color the material can literally burn or cause a fire. Always use a recommended fireproof mat.

Final Thought

Trex deck is made to last in elements. This type of composite decking is a blend of plastic film and wood fibers that forms strong, stable, and resilient material as compared to wood or pure plastic. To maintain its beautiful looks and color, Trex decking needs regular cleaning using the right products.

Reference Composite Deck Care & Cleaning Guide

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