Best Waterproofing For Pressure Treated Wood, Our Top Recommendation

To ensure the longevity and beauty of pressure treated wood, it is essential to apply a high-quality waterproofing product. Let’s explore the best options in this article.

Best Waterproofing For Pressure Treated Wood, Best Sealer For New Pressure Treated Deck, Best Water Sealer For Decks
Best Waterproofing For Pressure Treated Wood

Published: by SEMCO FL

Best Waterproofing For Pressure Treated Wood

Pressure treated wood is a type of wood that has been treated with chemicals to make it more resistant to decay and insects. However, even pressure treated wood can still be damaged by water. That’s why it’s important to waterproof pressure treated wood if you want to extend its lifespan. Pressure treated wood is a popular choice for outdoor projects such as wooden decks, fences, gates, docks and pergolas. While pressure treating helps protect the wood against rot and insect damage, it is still susceptible to water damage over time. To ensure the longevity and beauty of pressure treated wood, it is essential to apply a high-quality waterproofing product.

In this article, we will explore the best waterproofing options for pressure treated wood.

Waterproofing Pressure Treated Wood with a Sealer like Semco Liquid Membrane which comes in many colors, can help to protect it from the elements and extend its lifespan. Top Rated as Best adhesion Sealer Waterproofing by Contractors!

There are a number of different waterproofing products available for pressure treated wood. Some of the most popular options include:

  • Water-Repellent Sealers: These products create a barrier on the surface of the wood that helps to repel water. They are typically clear or light-colored, so they will not change the appearance of the wood.
  • Stain-Sealers: These products combine the benefits of a water-repellent sealer and a stain. They can be used to color the wood while also protecting it from water damage.
  • Paints: Paints can also be used to waterproof pressure treated wood. However, they are not as effective as water-repellent sealers or stain-sealers.
  • Clear Waterproof Sealers: Clear waterproof sealers are an excellent choice for preserving the natural appearance of pressure treated wood. These sealers penetrate deep into the wood fibers, forming a protective barrier against moisture. They allow the wood to breathe while repelling water and preventing cracking, warping, and splitting. Clear waterproof sealers are typically easy to apply and require minimal maintenance.
  • Semi-Transparent Stains: Semi-transparent stains provide both color enhancement and waterproofing properties. They penetrate the wood and provide a subtle tint, allowing the natural grain to show through. Semi-transparent stains are available in various colors and tones, allowing you to customize the look of your pressure treated wood while protecting it from water damage. These stains also offer UV protection, preventing fading and discoloration caused by prolonged sun exposure.
  • Solid Color Stains: If you prefer a more opaque and consistent finish, solid color stains are an excellent option. These stains provide a solid film on the surface of the wood, offering superior waterproofing and protection. Solid color stains come in a wide range of colors, allowing you to match your outdoor aesthetic. They also provide excellent UV protection and are more resistant to fading and discoloration.
  • Oil-Based Sealers: Oil-based sealers are known for their durability and longevity. They deeply penetrate the wood, providing exceptional waterproofing and protection against the elements. Oil-based sealers enhance the natural beauty of the wood while offering excellent resistance to water, mildew, and UV rays. They are ideal for high-traffic areas and can withstand harsh weather conditions. However, it’s important to note that oil-based sealers may require more maintenance over time, including periodic reapplication.
  • Water-Based Sealers: Water-based sealers have gained popularity due to their low odor, ease of application, and quick drying time. These sealers provide a clear or slightly tinted finish, preserving the natural look of pressure treated wood. Water-based sealers offer excellent water repellency, protection against UV rays, and resistance to mold and mildew. They are also environmentally friendly and can be easily cleaned up with water.
Best Waterproofing For Pressure Treated Wood Best Water Sealer For Decks

So what is the Best Waterproofing for Pressure Treated Wood

When choosing a waterproofing product for pressure treated wood, there are a few factors you should keep in mind:

  1. The type of wood: Some woods, such as cedar, are naturally more water-resistant than others. If you are using a type of wood that is not naturally water-resistant, you will need to use a more heavy-duty waterproofing product.
  2. The location of the wood: If the wood will be exposed to direct sunlight, you will need to use a product that is UV-resistant.
  3. The desired appearance: If you want to keep the natural appearance of the wood, you will need to use a clear or light-colored waterproofing product.
    Once you have chosen a waterproofing product, you should follow the manufacturer’s instructions carefully for application. It is important to apply the product evenly and to allow it to dry completely before using the wood.

SEMCO offers a premium wood sealer waterproofing product called Semco Liquid Membrane which comes in almost any color you would need. Simply factor in your aprox. square footage of coverage needed and typically you would apply 2 coats and then order your desired amount. You will not be disappointed. 

Semco-Liquid-Membrane-Product-Mutiple-Colors-1-gallon-5-gallons

With proper care and maintenance, a waterproofed pressure treated wood can last for many years.

By following the tips above, you can extend the lifespan of your pressure treated wood and protect it from water damage.

  • Apply the waterproofing product to all surfaces of the wood, including the top, bottom, and ends.
  • Reapply the waterproofing product every few years, especially if the wood is exposed to harsh weather conditions.
  • Inspect the wood regularly for signs of damage, such as cracks or warping.
  • Repair any damage immediately to prevent water from penetrating the wood. By following these tips, you can keep your pressure treated wood looking its best for years to come.

When selecting a waterproofing product for pressure treated wood, it is crucial to consider the specific needs of your project and the desired outcome. Factors such as the wood’s exposure to sunlight, foot traffic, and local climate should be taken into account. Additionally, proper preparation of the wood, including cleaning and sanding, is essential to ensure optimal adhesion and performance of the waterproofing product.

It is recommended to follow the manufacturer’s instructions for application and maintenance of the chosen waterproofing product. Regular inspections and maintenance, such as cleaning and reapplication as needed, will help prolong the life of your pressure treated wood and keep it looking beautiful for years to come.

In conclusion, applying a high-quality waterproofing product is vital for protecting pressure treated wood from water damage and extending its lifespan.

Clear waterproof sealers, semi-transparent stains, solid color stains, oil-based sealers, and water-based sealers are all effective options for waterproofing pressure treated wood. By choosing the right product and following proper application and maintenance practices, you can enjoy the beauty and durability of your pressure treated wood for many years.

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