Trex decking is a popular choice for many homeowners due to its durability and low maintenance requirements. Made from a blend of recycled wood fibers and plastic, it offers the look of real wood without the constant upkeep. However, when considering Trex decking near pools, ponds, or other water features, it’s important to understand how it reacts to water exposure.
Many people assume that because Trex decking is made from composite materials, it’s completely impervious to water. This isn’t entirely true. While Trex decking is designed to resist moisture better than traditional wood, it’s not entirely waterproof. Prolonged exposure to water can still have some effects.
Understanding these effects and how to manage them will help you make an informed decision about using Trex decking near water. In this article, we will explore the potential issues of submerging Trex decking and provide practical tips for installation and maintenance to ensure your deck remains in good condition.
Understanding Trex Decking and Water Exposure
How Trex Decking Handles Moisture
Trex decking is known for its resistance to moisture thanks to its composite makeup. Trex boards are made from a blend of recycled wood fibers and plastic, which naturally resists water penetration. This makes it an excellent choice for areas that experience high humidity or occasional rain. However, Trex decking is not completely waterproof. It can handle splashes and spills well but prolonged exposure to water can still cause issues over time.
The protective shell on Trex decking helps prevent moisture from seeping into the core. This protective layer also defends against common weather-related damage like rot and insects. While Trex decking is more water-resistant compared to traditional wood, being submerged in water for long periods can lead to problems.
Common Misconceptions About Composite Decking and Water
Some people believe that because Trex decking is composite, it can be submerged without any negative effects. This is a misunderstanding. While Trex is resilient and resistant to moisture, it’s not designed to be constantly underwater. Extended submersion can result in water absorption, which can compromise the decking’s integrity over time.
Another misconception is that Trex decking won’t require any maintenance near water. Even though Trex requires less upkeep than wood, it still needs regular care, especially in damp environments. Proper cleaning and maintenance help ensure that the decking remains durable and attractive.
Potential Effects of Submerging Trex Decking
Swelling and Warping Issues
Submerging Trex decking can lead to swelling and warping, especially if it remains underwater for extended periods. When water seeps into the composite material, it can cause the boards to expand. This swelling can lead to uneven surfaces and deformities in the decking structure. Warped boards not only look unsightly but can also create tripping hazards and may require replacement to fix the issue.
Swelling and warping occur less frequently with Trex than with traditional wood, but the risk increases the longer the decks are submerged. Addressing such issues promptly is crucial to maintaining the deck’s appearance and functionality.
Mildew and Mold Growth
Another potential problem with submerging Trex decking is mildew and mold growth. When composite decking remains wet for too long, it creates an ideal environment for mold and mildew. These fungi thrive in damp, shaded areas and can spread quickly across the deck surface. Mold and mildew not only spoil the deck’s appearance but can also produce slippery, unsafe surfaces.
To prevent mildew and mold, it’s important to keep the decking as dry as possible. Removing standing water and ensuring proper ventilation can help reduce the risk of fungal growth. Regular cleaning with suitable mold-cleaning solutions will also help keep mold and mildew at bay.
By understanding these potential effects, you can better prepare and manage your Trex decking to avoid long-term issues caused by water exposure.
Best Practices for Using Trex Decking Near Water
Installation Tips for Damp Environments
When installing Trex decking near water, there are a few key practices to follow to ensure long-lasting performance. First, ensure proper spacing between deck boards to allow for adequate water drainage. This prevents water buildup and minimizes the risk of swelling and warping. Spaces between the boards should be uniform and meet Trex’s guidelines for best results.
Using a quality moisture barrier under the decking can also help protect the substructure from water damage. Choose materials that are designed to endure wet conditions and prevent water from seeping up from the ground. Additionally, avoid placing the decking directly on surfaces that retain water, as this can accelerate moisture-related problems.
Proper Ventilation and Drainage
Ventilation plays a critical role in maintaining Trex decking near water bodies. Good airflow beneath the deck helps keep moisture levels in check, reducing the chance of mold and mildew. When constructing the support structure, ensure there’s enough clearance to allow air to circulate freely.
Installing a drainage system under the deck is another effective measure. A well-designed drainage system channels water away from the deck, reducing the risk of standing water and promoting faster drying times. This keeps the deck healthier and more resilient against prolonged moisture exposure.
Maintenance Tips for Trex Decking Near Pools and Ponds
Regular Cleaning Routine
Maintaining Trex decking near pools and ponds requires a consistent cleaning routine. Clean the deck regularly with a soft-bristle brush and mild soap to remove dirt, debris, and any buildup from pool chemicals. Rinse thoroughly with a garden hose to ensure all residues are washed away. A clean deck surface is less likely to develop mold, mildew, or other water-related issues.
For stubborn stains, use a composite deck cleaner recommended by Trex. Follow the cleaning product’s instructions carefully, and always test a small, inconspicuous area first to ensure it doesn’t damage the decking.
Protecting Your Deck from Water Damage
To protect your deck from water damage, apply protective sealants specifically designed for composite decking. While Trex decks come with a protective shell, an additional sealant can provide an extra layer of defense against water. It’s especially useful in high-moisture areas like near pools or ponds.
Check the deck periodically for any signs of damage or wear. Address any issues promptly to prevent them from escalating. Keeping the deck well-maintained will ensure it remains beautiful and durable for many years.
Conclusion
Using Trex decking near water is a great choice, but it requires careful planning and maintenance to ensure it stays in top condition. Understanding how Trex handles moisture, knowing the potential impacts of submersion, and following best practices for installation and maintenance are essential steps. With the right care, your Trex decking can provide a beautiful and functional outdoor space, even in damp environments.
For professional help with your unique outdoor living spaces, contact Clear Choice Custom Decks. Our deck builders are ready to assist you with creating the perfect deck for your home. Reach out to Clear Choice Custom Decks today and transform your outdoor area into a stunning retreat.