Depending on the material, a power washer can also scar boards if the pressure is too high. If the power washing becomes too intense, it can even chip the material. If you damage your composite deck with a vigorous power wash, it can affect the warranty. Damage caused by using high-pressure washing is generally not covered, so you would have to pay for your repairs. Trex recommends a basic cleaning with a composite deck cleaner or combination of soap, hot water, and a soft-bristle brush.
Note: The use of products containing bleach or acid will lighten the surface of Trex. The biggest issue with power washing is the pressure. You may be able to use a low-pressure setting to aid in your cleaning; however, it is recommended to leave this to the professionals. If hiring a professional, be sure to ask for someone with deck experience and suggest using a relatively low-pressure setting usually adjust the sprayer pressure to 1, PSI or lower.
The safest route for cleaning your deck is soap and water. Here is a simple step-by-step process for cleaning without a power washer:. Cleaning by Situation: Not every clean-up situation is the same. Trex offers the following tips for cleaning your composite deck, depending on your particular challenge.
For Dirt and Debris: The affected area should be sprayed off with a hose to remove surface debris. Use warm, soapy water and a soft-bristle brush to remove soil and debris from the embossing pattern. It does a great job loosening up dirt, grime, and debris from your Trex decking. Its quite affordable and is compatible with this particular model. Use a fan tip to ensure that excessive pressure is not produced.
Also, spray the deck while holding the fan tip no closer than 8-Inches from the decking surface. Make sure no dirty water remains on the decking surface as this will cause an unsightly film on the surface. There is a lot of misinformation regarding whether or not you can power wash your Trex decking.
But now, you are well aware of the facts. So go ahead and power wash your Trex decking without any worries! According to the manufacturer of Trex decking, you can power wash your decking, but there are restrictions; You can only use a pressure washer that has no greater than psi. However, keep these three important things in mind; Use the Lowest Pressure Possible- Trex recommends using a power pressure whose Pounds per Square Inch psi is no greater than PSI typically measures the pressure or cleaning force of the water created through a pressure washer The pressure washer must have a fan attachment or adjustment as well as a soap dispenser Rinse each individual deck board using a fan tip that is no closer than 8-inches from the decking surface NB: As long as you follow these instructions, your Trex decking will not incur any damages.
In other words, you can easily reduce or increase the amount of pressure in the spray depending on your cleaning needs. Since the pressure output is adjustable, this pressure washer is ideal for cleaning Trex decking It generates enough pressure to remove any heavy mildew stains, oil stains, grease, tar, and other types of stains and dirt from your Trex decking The unit is equipped with a dual-detergent tank system which stores different types of detergents.
The dual —tank allows you to simultaneously switch between different detergents for different cleaning projects The power washer comes with a long Inch extension spray wand as well as rear wheels which provide great maneuverability and easy access to hard-to-reach areas The unit also comes with a very long 25 foot extension hose for hassle-free cleaning in large areas Ideal for small to large Trex decks Comes with a very long 35 foot power cord that lets you clean a large part of your deck without keeping on changing the power output It features the Total Stop System trigger which typically acts like a safety lock switch that shuts off the pressure washer pump when the trigger is not engaged.
Give the decking a good sweep to remove leaves, soil, and other surface debris. A soft bristle brush is usually the best option, as it minimizes the risk of scratching the deck surface. It also removes finer debris from the embossed pattern than other types of scrub brushes might.
Next, rinse the deck with warm, soapy water , gradually working the water and soap into the grain. Use a clean soft-bristle brush to do so. You can use a slightly tougher brush if the mildew and grime on your deck is particularly stubborn, but avoid brushes with metal bristles such as paving brushes, as these can permanently scratch and scuff the Trex surface.
Finally, spray the deck with a garden hose. If dirty water is left to dry, it can leave a film that makes your decking look duller, so ensure that you get rid of all the soapy water. Deck brighteners are popular, but use of bleach or acid can lighten the color of Trex decking. Always test a deck brightener in an inconspicuous area before using it. Cleaning solutions containing solvents can damage a Trex deck — notably acetone or toluene-based solvents.
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