Effective Strategies for Protecting Your Wooden Fence from Weather Damage

Shane Chapman / Backyard Building Expert

Shane Chapman

Backyard Building Expert
See Short Bio

Protecting your wooden fence from the varying Canadian climate is crucial to ensuring it lasts for years and remains a beautiful boundary for your property. We know all too well how extremes in weather can quickly turn a sturdy wooden fence into a worn-out eyesore if not properly cared for. Whether it’s the harsh sun, heavy rains, or the relentless freeze-thaw cycles in winter, each season comes with its particular challenges that can compromise the integrity and appearance of your wooden fence.

First, understanding the different types of environmental threats to wooden fences sets the stage for effective preventive measures. Weather-related damage isn't just about aesthetics; it affects the structural safety of the fence, impacting its primary functions of privacy and security. By selecting the right type of wood and appropriate weather-resistant treatments from the start, we significantly enhance the fence's resilience against such threats. Furthermore, with regular checks and uncomplicated but essential maintenance routines, we can extend the life of our fences, making this not just a functional backyard necessity but also an enduring part of our home’s outdoor charm.

Identifying Common Weather-Related Threats to Wooden Fences

The resilience of a wooden fence is continuously tested by various weather conditions each season brings to our backyards. Winter frosts can cause the wood to contract and expand, leading to cracks and splinters that weaken the fence's structure over time. Similarly, during the wet spring months, excessive moisture can result in mould and mildew, particularly if the fence doesn't receive adequate sunlight for drying. Summer heat presents another challenge, as prolonged exposure to UV rays can fade and degrade the wood fibres, while the wood absorbs excess moisture during the autumn rains, increasing the risk of rot.

Understanding these threats helps us preemptively address potential issues before they escalate. For instance, positioning the fence to ensure it receives enough sunlight can help minimize moisture-related damage, and treating the wood with UV-resistant finishes can protect against sun damage. Implementing these strategies can significantly reduce weather-related deterioration, maintaining both the aesthetics and structural integrity of the fence.

Choosing the Right Wood and Treatments for Weather Resistance

Selecting the appropriate type of wood and protective treatments are critical steps in ensuring your garden fence can withstand harsh weather conditions. Woods like cedar and redwood are naturally resistant to rot and decay, making them excellent choices for fencing materials. However, these can be more expensive options. For a more budget-friendly choice, treated pine is another great alternative, as it has been chemically treated to resist rot, decay, and insect infestation.

In addition to choosing the right wood, applying the correct treatments further enhances the fence's durability against the elements. For optimal protection, we recommend using water-repellent sealants which prevent moisture from seeping into the wood, thus avoiding rot and mould growth. For colour protection against UV rays, a stain with a UV inhibitor can also be applied to preserve the wood's natural hue. Reapplying these treatments every two to three years ensures continuous protection, keeping your fence robust and attractive through every season.

Step-by-Step Guide to Sealing and Waterproofing Your Fence

Sealing and waterproofing your wooden fence is a straightforward process that greatly extends its lifespan and maintains its new, appealing look. First, ensure that the wood is clean and free from previous paint, mould, or mildew. This might involve scrubbing the wood with a stiff brush and a mixture of water and mild detergent or using a power washer for more efficiency. Once the wood dries completely, which may take a couple of days, we're ready to begin the sealing process.

For sealing, we select a high-quality wood sealant that offers UV protection and waterproof features to guard against rain, snow, and sun. Using a paintbrush or a sprayer, apply the sealant evenly over the surface, covering all exposed parts of the wood. Working on a dry day with moderate temperatures is important to ensure the sealant adheres properly and cures evenly. After applying the first coat, allow it to dry as directed by the sealant's instructions, then apply a second coat to ensure thorough coverage and protection.

Routine Checks and Maintenance Tips to Extend Fence Longevity

Regular maintenance is key to ensuring your fence withstands time and the elements. We encourage homeowners to conduct seasonal inspections, especially after extreme weather conditions. Check for any signs of damage, such as loose boards or posts, chipping, or signs of insect infestation. Tighten any loose screws and replace damaged nails or boards as necessary. These checks help to catch minor issues before they become bigger problems.

Additionally, it's important to keep the fence clean. Remove leaves, dirt, and debris that accumulate at the base, which can retain moisture and lead to wood rot. If you notice mildew or mould growth, treat the area promptly with a solution of bleach and water to prevent further spread. Reapplying sealant and stains every two to three years will also protect the wood from UV rays and moisture, keeping the fence robust and visually appealing for years to come.


Taking the time to properly select, seal, and maintain your fence will enhance the beauty of your outdoor space and provide a long-standing barrier that offers privacy and security. At The Ultimate Deck Shop, we understand the importance of building projects that last. We're committed to providing our customers in Saskatoon and Regina with high-quality supplies and expert advice for all your decking and fencing needs. Explore our resources and start your next DIY project with confidence. Whether you are looking to build a new wooden fence or maintain an existing one, remember The Ultimate Deck Shop is here to help you achieve durability and style in all your outdoor constructions. Visit us today and make your backyard the envy of the neighbourhood!

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About the Editor...

Shane Chapman // Backyard Building Expert

Shane Chapman, President and Co-Founder of The Ultimate Deck Shop, is a seasoned expert in the deck building industry. A former award winning deck builder (Fresh Decks), he now leads Canada’s top destination for backyard building materials.

Shane is committed to simplifying the shopping experience, providing exceptional customer service, and empowering both DIYers and professionals with his expert advice.

Get in touch with Shane to connect, collaborate or ask questions at LinkedIn.