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Can You Paint Composite Decking?
Over time, more and more people are choosing composite decking over wood decking. This is because composite decking is easier to care for and does not require frequent painting or staining.
However, after years of use and exposure to the elements, the original deck color has faded and lost its luster. You may be wondering if it is possible to paint composite decking boards.
Is It Possible to Paint Composite Decking?
Low maintenance is one of the biggest advantages of composite wood decking. This is because, unlike traditional wood decking, it does not require regular maintenance, painting, and sealing work. Of course, you can paint your composite decking if you want to change its appearance. However, it is not recommended as the best option to enhance the look of your deck.
It is important to note that once you have painted your composite wood decking, you will have to paint it repeatedly. This is because, over time, the paint that has been exposed to the elements will eventually peel off. You can paint standard uncapped composite decking if you are prepared to do the subsequent maintenance. Also, keep in mind that depending on the brand of composite decking, painting the deck may void the warranty.
Types of Composite Decking
Composite decking meaning is a building material manufactured from a blend of recycled plastics (such as polyethylene or polyvinyl chloride) and wood fibers (either recycled or virgin). There are two main types of this decking: the standard uncapped composite decking and the capped composite decking with a polymer protective shell.
The picture is as follows：
- Standard Uncapped Composite Decking
2. Capped Composite Decking
The difference between these two types of composite decking is that the capped composite decking has a polymer protective shell that protects the composite core. This type of composite decking material lasts longer and is more resistant to water, mildew, and fading. This is because the protective shell on the outside of the core protects it from weather and everyday wear and tear.
Traditional composite decking boards do not have a plastic shell or cover on top so the wood fiber mixture can be seen. Some people prefer standard composite decking without a cover because it stands up to the same weathering as real wood. Uncapped composite decking can be painted or stained, but capped composite decking cannot be painted or stained.
Tools for Painting Composite Decking
- Soft bristle brush for cleaning
- Deck cleaner
- Paintbrush or roller
- Primer (optional)
- Paint for Composite Decking
How Do I Paint My Composite Decking?
The steps for painting a composite deck are the same as for painting a wooden deck.
Step 1: Cleaning the Composite Decking
Remove deck debris and dirt with water and a soft bristle brush. Deck cleaners can be purchased at a nearby store to remove stubborn stains such as mold and mildew. Be sure to follow the directions on the bottle and do not use bleach or other harsh chemicals. This is to avoid damage to the deck surface from these cleaners.
Once the dirt has been removed from the deck surface, rinse thoroughly with clean water and allow the deck to dry. This may take a few days depending on local weather conditions. Before painting or staining, check the deck surface to make sure it is dry.
Click here to learn more information about tips for cleaning the composite decking.
Step 2: Sand the Deck Surface
For many composite decking materials, the surface needs to be sanded before painting or staining. Otherwise, the surface will be too smooth to paint or stain the deck. Leaving the surface slightly rough will help deepen the marks and allow the paint to adhere more easily.
Step 3: Prepare for Painting
For a standard composite wood decking surface, you can use any kind of paint made specifically for outdoor wood decks. This composite decking can be painted with the same paint just like regular wood decking.
Painting composite decking may require a primer, but many paint brands are “self-priming” and do not require any primer. Even if the decks need to be cleaned, they don’t need a primer. This is because the oil-based traces need to be able to penetrate and the primer will prevent penetration.
Some water-based solid color paints may require a primer and they will cover any deck surface if needed. For better coverage, you can use a deck-specific acrylic latex outdoor primer if needed.
Apply with a brush or roller along the length of the boards. Higher-cost primers contain more acrylic. And acrylics (also known as acrylic resins) make the paint thicker and last longer. Low-cost acrylic paints have vinyl mixed in with the acrylic. Vinyl is less durable, lighter in weight, and makes the finish of composite decking materials worse. Therefore, a better-quality primer will allow the paint to last longer and will not flake or chip as quickly.
Step 4: Painting the Deck
Once the primer is dry, paint the surface of the deck in the same way you would apply a primer. You can apply two coats if needed, but make sure the first coat is completely dry before applying the second. Different paints dry at different rates, so check the label for paint drying times. If painting outdoors, avoid direct sunlight. Strong sunlight can damage undried paint, especially on hot days. It’s best to paint in the morning, evening, or when the weather is cooler.
Step 5: Keep the Deck Clean
Once you’ve finished painting your composite decking, you’ll need to follow up with its maintenance. Clean your composite decking at least twice a year, and then you should apply a maintenance coat every so often to keep your composite wood decking looking great.
How Long Does the Paint on My Composite Decking Last?
After painting your composite decking, it will require regular maintenance. As long as the decking is kept clean and does not experience extreme weather, it should last between 2 and 5 years.
On the other hand, weather, UV rays, and excessive foot traffic can change the lifespan of the paint. If your composite decking surface is exposed to bad weather or heavy foot traffic, it will have a shorter lifespan. Before that happens, you will need to repaint the entire deck surface and make localized repairs.
To Summarize
In general, you should not paint composite decking. This is especially true for capped composite decking. However, if you want to change the color, you can paint uncapped composite decking that doesn’t have a standard. Just make sure you follow the instructions carefully.
Before painting composite decking, check with the manufacturing company to make sure the paint won’t damage the decking or void the warranty.
Finally, if you want to get some information about decorating your garden decking or indoor wall panel, welcome to email us. We will reply to you within 30 minutes and provide one-stop solutions.
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