A top down overhead view of patio furniture on a dark brown composite deck.

The Pitfalls of Placing Composite Decking Directly on Ground or Concrete Patios, Brookhaven GA

May 02, 2024

Composite decking has revolutionized the outdoor living space, offering a low-maintenance alternative to traditional wood decks. Its durability, resistance to rot, and aesthetic appeal make it a popular choice for homeowners looking to enhance their outdoor spaces. However, despite its versatility, laying composite decking directly on the ground or concrete patios might seem like a convenient shortcut, but it comes with its own set of pitfalls and drawbacks.

Moisture and Drainage Issues: One of the primary concerns when installing composite decking directly on the ground or concrete is moisture retention. Ground moisture can seep into the boards, leading to mold, mildew, and rot over time. Concrete patios, while seemingly solid, can also trap moisture, especially if not properly sealed. Without adequate airflow beneath the decking, moisture becomes trapped, creating an environment conducive to rot and decay.
Uneven Surface and Stability: Ground surfaces are rarely perfectly level, and concrete patios may have slight imperfections. Placing composite decking directly on such surfaces can result in an uneven deck, compromising its structural integrity and stability. Over time, this unevenness can lead to sagging, warping, and even structural failure, posing safety hazards for anyone using the deck.
Limited Air Circulation: Composite decking needs proper air circulation to prevent moisture buildup and promote drying. When laid directly on the ground or concrete, airflow beneath the boards is restricted, inhibiting evaporation and exacerbating moisture-related issues. Proper ventilation is essential for maintaining the longevity and performance of composite decking.
Increased Risk of Pest Infestation: Ground-level decking is more susceptible to pest infestation compared to elevated decks. Insects, rodents, and other pests can easily access and nest beneath the decking, causing damage and creating unsanitary conditions. Elevating the decking above ground level reduces the risk of pest infestation and facilitates inspection and maintenance.
Voided Warranty and Reduced Lifespan: Most composite decking manufacturers explicitly state in their installation guidelines that decking should not be installed directly on the ground or concrete. Failure to adhere to these guidelines can void the warranty, leaving homeowners liable for any damage or defects. Moreover, decking installed in such manner is likely to have a significantly shorter lifespan compared to properly installed decking.

While it may be tempting to take shortcuts when installing composite decking, placing it directly on the ground or concrete patios is a decision filled with risks and consequences. To ensure the longevity, stability, and performance of your composite deck, it’s essential to follow manufacturer guidelines and best practices for installation. Investing time and effort into proper installation methods will pay off in the long run, providing you with a beautiful and durable outdoor living space for years to come.

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About Outback Deck, Inc.

Outback Deck, Inc. brings inspiration to outdoor living spaces. We believe if you have an outdoor space, you should WANT to spend time in it. Our commitment to providing the best customer experience and creating outstanding value in your new deck or porch is unmatched in the industry. For more information, please visit www.outbackdeck.net life happens out back

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Outback Deck is veteran-owned and community trusted. We have earned the trust of homeowners throughout Cobb, Cherokee, and North Fulton counties, as evidenced by our numerous accolades and glowing reviews.

“We just had Outback do our complete deck teardown and rebuild (adding a covered patio), and we are extremely satisfied with how it turned out! The attention to the details and oversight of the construction teams took extra burden off of us. I can't thank Outback Deck enough for driving the project to completion so smoothly.”

Ross H.

“Outback was great to work with. They were transparent and kept us well-informed from the first sales meeting to completion of the project. The deck and patio they constructed are beautiful. The materials and work are high quality, and well in excess of any building codes. With the composite decking and aluminum railing, we can look forward to many years of enjoyment with little to no maintenance.”

Nick F.

“From start to finish, Outback Deck's attention to detail and eagerness to ensure our happiness was foremost. The crew was on time or early every day and the project manager, was always available to help with any questions or let me know where we stood with the schedule. We love our new deck!”

Lane R.

“Absolutely wonderful company to work with!!! The beautiful covered deck they made for us is just stunning. They use the finest craftsmen to complete their projects and their work is good value for the money. I recommend this company fully and enthusiastically.”

Janet H.

“The footings and bracing of the deck support are what impressed us most. BP did an excellent proposal, JR provide excellent follow through and CM kept the project on task. After watching the construction of our new deck, step by step, we could see the extra measures Outback Deck puts in their workmanship. If we ever have an earthquake, we will run to the deck for the safe place.”

Connie N.