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Why Are My Deck Boards Rotting?


Your deck is more than just a functional outdoor space; it’s also a responsibility. To keep it durable and attractive, you need to give it the care and maintenance it deserves. One of the biggest threats to your deck is the weather, which can cause deck boards rotting and other forms of damage.

Dry rot is a common problem that affects wood, causing it to lose its strength and eventually deteriorate. When it spreads to other parts of your deck, the entire foundation can become dangerous and unstable. To prevent this from happening, it’s crucial to understand the main reasons why decks rot and take action accordingly. Don’t wait until the damage is irreversible; stay proactive and keep your deck safe for years to come.

Don’t Let Your Deck Boards Rotting, Here’s What Causes It.


The Beginning of Deck Decay: A Single Drop of Water. Moisture is the root cause of deck rot due to issues like ground contact of deck supports, leaky gutters, and poor ventilation. Even deck planks placed too close together can contribute to the problem. Let’s explore how to prevent and fix this issue.

Brown rot

Watch out for brown rot! This sneaky fungus breaks down wood’s carbohydrate structure with a powerful enzyme. In no time, your deck can turn black and crumble into fragments, making it dangerous to walk on. Stay safe and protect your deck from this destructive force.

deck boards rotting white

Discover the culprit behind your spongy deck – white rot fungus. This sneaky fungus feeds on glucose extracted from wood cells, leaving your deck weak and unsafe. Don’t wait until it’s too late, take action now to replace your water-logged deck boards and joints and protect your family from potential harm.

Green mold

Meet the green mold that’s not as innocent as it looks. It may not be a fungus, but it’s an algae or lichen that serves as an alarm bell for rot to enter and wreak havoc. While it doesn’t cause damage on its own, it’s a welcoming mat for rot to set up shop in your wooden materials. Don’t let this sneaky green culprit take over – take action before it’s too late.

Deck boards rotting

Deck age

Let’s face it: aging is inevitable. And unfortunately, the same goes for your beloved wood deck. With the passing of time and exposure to harsh weather conditions, wear and tear are bound to occur. But fear not! By implementing routine maintenance and check-ups, you can catch and repair any damage before it becomes a bigger problem. Don’t let your deck fall victim to the natural aging process – take charge and give it the care it deserves.

How to Avoid It

Want to keep your deck in great condition? Here are some tips to make it happen. First, place flashing where the wall meets the deck to improve ventilation and drainage. This will reduce the chance of water pooling and entering your home. Additionally, use stain as a barrier against moisture and fungicide, and re-stain your deck regularly. To protect against severe deck pathogens, use a specialized fungicide. Finally, prevent overflowing gutters by installing gutterguards or by regularly cleaning your gutters. A little maintenance goes a long way in keeping your deck looking beautiful.

Experts to Keep Your Decks Rot-Free

Deck boards rotting

Transform your backyard into a paradise with Commercial Deck Builders! We team experts can turn your empty lot into a functional and beautiful space for your family with a stunning wood deck. Our high-quality materials and exceptional craftsmanship ensure that your deck will last for years to come with proper care.

CityPorches team of trained professionals will work closely with you to create the deck of your dreams. We take your ideas and combine them with our expertise to create a design that is perfect for your budget and location. Our top priority is your family’s safety and satisfaction, which is why we guarantee that your deck will be installed with the utmost care and precision.

From family gatherings to celebrations, your new wood deck will be a perfect place for relaxation and entertainment. With our competitive prices, you can add, replace or repair your deck without breaking the bank. Don’t let your backyard remain empty any longer! We’re here to bring your vision to life and make your outdoor space a haven for your family. Call us today at 773-231-8400 to get started!


8 responses to “Why Are My Deck Boards Rotting?”

  1. Thanks for the heads up that you should consider having your decks repaired and maintained since they’re vulnerable to weather-related damage. My uncle is thinking about remodeling one of his old properties since he wants to retire there. I should talk to him about finding a deck repair professional whenever he sees signs of rotting on its deck area.

    1. Hi Zachary.

      It’s great that you’re considering advising your uncle about the importance of maintaining and repairing his deck. Decks can indeed be susceptible to weather-related damage, especially if they are not properly maintained.

      Remember if you need help do not hesitate to contact us, we have a team of experts that will help you repair, build or remodel any type of decking whether commercial or residential.

  2. Brucequics Avatar

    Nice Article! Commercial Deck Builders

    1. Thanks Brucequics

    2. Thanks Brucequics.

  3. Hello guys! Nice article Commercial Deck Builders –

    1. Thanks Asians

    2. Hi Asiams.

      Thanks for your commemt.

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