Essential Wood Fencing Maintenance Tips to Combat Humidity
Brett Mowe • April 3, 2025


At Fence Installers of Jacksonville, we know how much homeowners love the classic charm of residential wood fencing. A well-built wooden fence adds beauty, privacy, and value to your property. However, Florida’s humid climate can take a toll on wood fences, causing warping, rotting, and mold growth if not properly maintained.

But don’t worry—we’ve got your back! As trusted fence contractors in Jacksonville, FL, we’re sharing our top tips to help you keep your wood fence in great shape, no matter how humid it gets.

1. Choose the Right Type of Wood

Not all wood is created equal, especially when it comes to handling humidity. Some wood types are naturally resistant to moisture and decay. If you’re installing a new residential wood fencing, consider these options:

  • Cedar: Naturally resistant to rot, decay, and insect damage.
  • Redwood: Offers excellent durability and moisture resistance.
  • Pressure-Treated Pine: Chemically treated to withstand humidity and pests.

Our expert fencing contractors can help you choose the best wood for your needs and budget.

2. Apply a High-Quality Sealant

One of the best ways to protect your wood fence from Florida’s moisture is to seal it properly. A good sealant creates a protective barrier, preventing water from soaking into the wood. Here’s what you should do:

  • Apply a waterproof sealant or stain every 1-2 years.
  • Choose a UV-resistant sealant to prevent fading from the sun.
  • Make sure the fence is completely dry before applying any treatment.

If you’re unsure which sealant to use, our team at Fence Installers of Jacksonville is happy to recommend the best options!

3. Keep Your Fence Clean

Humidity encourages mold, mildew, and algae to grow on wood. Regular cleaning helps prevent buildup and keeps your fence looking fresh. Follow these simple steps:

  • Rinse with a hose to remove dirt and dust.
  • Use a mild soap solution or a mix of vinegar and water to scrub away mold or mildew.
  • For stubborn stains, consider using a power washer on a low setting.

Cleaning your fence at least twice a year will help maintain its appearance and durability.

4. Improve Drainage Around Your Fence

Standing water is a wood fence’s worst enemy. If moisture collects around your fence posts, it can cause rot and weaken the structure over time. Here’s how to improve drainage:

  • Make sure the bottom of the fence is a few inches above the ground to prevent water from wicking up.
  • Use gravel or concrete at the base of fence posts to direct water away.
  • Trim nearby bushes and plants to allow better air circulation.

Our experienced fencing contractors in Jacksonville, FL ensure proper fence installation to prevent water-related damage.


5. Inspect for Damage Regularly

Wood naturally expands and contracts with changing humidity levels, which can cause cracks or warping over time. To prevent minor issues from turning into big repairs, perform these regular checks:

  • Look for loose boards or nails and secure them immediately.
  • Check for signs of rot or decay, especially at the base of the fence.
  • Watch for warping or splitting, as these can weaken the fence structure.

If you notice any major damage, our team at Fence Installers of Jacksonville is here to help with replacements.

6. Re-Stain Your Fence When Needed

Over time, the sun and humidity can cause your fence to fade and lose its protective coating. To keep it looking great and protected, re-staining is essential.

  • Choose an oil-based stain for deep penetration and better moisture resistance.
  • Apply a fresh coat every 2-3 years, depending on weather exposure.
  • Use a brush or sprayer to ensure even coverage.

Not sure when to re-stain? A good rule of thumb is to sprinkle water on your fence—if it soaks in quickly, it’s time for a new coat!


7. Repair Small Issues Before They Get Worse

A small crack or loose board may not seem like a big deal, but over time, minor damage can lead to major fence issues. If you spot problems, fix them right away:

  • Replace rotted or broken boards before they affect the entire structure.
  • Reinforce wobbly posts with concrete or new fasteners.
  • Seal small cracks with waterproof wood filler to prevent further damage.

If repairs seem overwhelming, don’t hesitate to call our expert fence contractors in Jacksonville, FL for assistance!

8. Consider Upgrading to a More Humidity-Resistant Fence

If your current wood fence is constantly battling humidity-related damage, it might be time for an upgrade. While residential wood fencing is beautiful, there are other options that require less maintenance, such as:

  • Vinyl Fences: Resistant to moisture, mold, and rot.
  • Aluminum Fences: Durable and rust-resistant.
  • Composite Fences: A mix of wood and plastic, offering the best of both worlds.

Our team at Fence Installers of Jacksonville can help you explore the best fencing solutions for Florida’s humid climate.

Keep Your Wood Fence Strong and Beautiful!

Florida’s humidity can be tough on residential wood fencing, but with proper maintenance, your fence can last for many years. Regular sealing, cleaning, and inspections will keep it strong and beautiful, protecting your home while enhancing curb appeal.

Visit Fence Installers of Jacksonville for a free estimate! Whether you need repairs, a brand-new fence, our skilled fencing contractors are here to help.

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