The Best Deck Sealers for a Stunning Outdoor Space

A well-maintained deck not only enhances the beauty of your home but also increases its value. This is where deck sealers and stainers come into play.

Deck sealers are essential for protecting your deck from various elements. They provide a protective layer that shields the wood from harmful UV rays, weather conditions, and foot traffic. Without a good sealer, your deck is susceptible to water damage, warping, and splinters.

Choosing the right sealer for your deck can be a daunting task with so many options available. From clear to semi-transparent, oil-based to water-based, each type of sealer offers different benefits and drawbacks. Some sealers emphasize the natural color and wood grain, while others provide a uniform color and higher UV protection.

In this blog, we will guide you through the process of selecting the best deck sealer for your needs. We will discuss various types of sealers, their pros and cons, and how they can help preserve the natural beauty of your deck. Whether you’re building a new deck or renovating an old deck, this guide will help you make an informed decision.

Understanding Deck Sealers and Stainers

Deck sealers and stainers are essential products for any homeowner looking to maintain the natural beauty and durability of their wooden deck. These products provide a protective layer that helps to shield the wood from harmful elements such as UV rays, water damage, and mildew, thereby extending the life of the deck.

Deck sealers, often clear or semi-transparent, primarily provide a waterproofing function. They penetrate the wood surfaces to lock out moisture, preventing issues like warping and splintering. Some of the best deck sealers on the market include Thompson’s WaterSeal and Ready Seal, known for their superior water resistance and easy application.

On the other hand, deck stains provide the same protective features as sealers but add pigment to the wood. This pigment enhances the natural color and grain of the wood, giving your deck a refreshed and vibrant look. Stains come in various opacities, from semi-transparent to solid deck stain, each offering a different level of color and UV protection. Notable brands in the stain category include Defy, Olympic, and Cabot.

It’s important to note that there are oil-based and water-based versions of both sealers and stains. Oil-based products, known for their durability and rich color, penetrate the wood deeply. However, they have a longer drying time and higher VOC levels. Water-based products, on the other hand, are easier to clean up, have lower VOC levels, and are less prone to mildew.

Choosing between the different types of deck sealers and stains will depend on various factors, including the type of wood of your deck, the climate you live in, and the look you want to achieve. Whether you’re maintaining an old deck or sealing a new one, using high-quality products and following proper deck maintenance practices will ensure your deck stays beautiful and functional for years to come

Here’s a comparison table to help you understand the differences better:

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Whether you choose a deck sealer or a deck stainer depends on your specific needs and aesthetic preferences. Both offer valuable protection for your deck, but the choice between them will determine the look and maintenance requirements of your deck.

Choosing the Right Sealer or Stainer for Your Deck

Choosing the right sealer or stainer for your deck is a crucial decision that can significantly impact the longevity of your deck. The right product can enhance the natural beauty of your deck, provide protection from UV rays and weather conditions, and extend the life of your wood surfaces.

Type of wood

The first factor to consider is the type of wood your deck is made from. Different types of wood have different characteristics and may react differently to certain products. For instance, pressure-treated wood may require a different product than redwood or composite decking. It’s essential to understand the characteristics of your deck’s wood before choosing a sealer or stainer.

Weather conditions

The climate in your area is another important factor. If your deck is exposed to harsh sun, a product with strong UV protection might be necessary. Similarly, if you live in a rainy area, a sealer with excellent water resistance would be a good choice. Weather conditions can greatly influence the longevity and effectiveness of your sealer or stainer.

Durability

If your deck sees a lot of foot traffic, you’ll need a durable product that can withstand the wear and tear. Decks are meant to be used and enjoyed, and a high-quality sealer or stainer can help ensure that your deck stands up to the demands of regular use.

Condition of your wood deck

The age and condition of your deck also play a role in your choice. New decks and old decks may have different needs. New wood might be better suited to a light, clear sealer that shows off its natural color and grain. An older deck might benefit from a semi-transparent or solid stain to help hide imperfections and signs of age.

Aesthetics

Finally, consider the look you want to achieve. Clear sealers preserve the natural look of the wood, while semi-transparent stains add a bit of color but still show the grain. Solid stains offer the most color and hide most of the wood grain. Your personal aesthetic preferences will play a big role in your choice of sealer or stainer.

Remember, the right sealer or stainer for your deck will depend on these factors.

Top Deck Sealers and Stainers of 2024 by Deck Material

Cedar Decking

Cedar decking is a popular choice for outdoor spaces due to its durability, natural beauty, and resistance to rot and decay. In addition to its aesthetic appeal, cedar decking is also known for its low maintenance requirements. One key benefit of cedar decking is its natural resistance to insects. The high level of tannins in cedar wood acts as a natural deterrent to pests. Additionally, cedar decking has a unique aroma that adds another sensory element to outdoor living spaces.

Best Sealer: 100% Pure Tung Oil Finish Stain & Sealer

This product is known for its ability to penetrate the wood and provide a flexible, yet durable, finish. It enhances the natural beauty of the wood and is resistant to moisture and mildew. It’s ideal for cedar wood due to its ability to highlight the wood’s natural grain and color.

Average Cost Range: $25 - $35 per quart

Redwood Decks

Redwood decking is the epitome of natural beauty and durability. Its rich, deep red tone adds a touch of elegance to any outdoor space while also providing unmatched strength and resilience against the elements. What sets redwood decking apart is not just its stunning appearance, but also its sustainable nature - redwood is a renewable resource that can be responsibly harvested without harming the environment.

Best Sealer: Ready Seal 520 Exterior Stain and Sealer

This oil-based product is a stain and sealer in one, saving you time and effort. It’s known for its easy application and does not require a primer. It is semi-transparent, providing a beautiful finish while still showing the wood grain. It’s a great choice for redwood decks.

Average Cost Range: $35 - $40 per gallon

Pine Decking

Pine decking has been a popular choice for outdoor spaces due to its affordability and natural beauty. However, there is more to pine decking than meets the eye. This versatile wood can be stained or painted in various shades to match different design aesthetics, making it a flexible option for any project. Also, with regular sealing and protection from the elements, pine decking can last just as long as more expensive wood alternatives.

Best Sealer: Thompson’s WaterSeal Advanced Natural Wood Protector

This product is a clear multi-surface waterproofer that provides complete outdoor wood protection. It’s known for its advanced polymers that provide fade-resistant color and is a great choice for pine wood.

Average Cost Range: $15 - $20 per gallon

Oak Decking

Oak decking is a popular choice for outdoor spaces due to its durability and natural beauty. The rich color and grain of oak wood add a touch of luxury and sophistication to any deck. In addition, oak is known for its strength and resistance to decay, making it an excellent option for withstanding the elements. One unique feature of oak decking is its ability to age gracefully over time, developing a beautiful silver-grey patina that adds character to the wood.

Best Sealer: Ready Seal Exterior Stain and Sealer

This water-based product is known for its advanced technology that allows it to penetrate the wood deeply, providing superior protection against water damage and UV rays. It’s a great choice for oak decks due to its ability to enhance the natural beauty of the wood.

Average Cost Range: $55 - $60 per gallon

Mahogany Decking

Mahogany decking is a luxurious and durable choice for any outdoor space. Its rich reddish-brown natural color adds depth and warmth to a deck, creating an inviting atmosphere for gatherings and relaxation. One of the standout features of mahogany decking is its exceptional durability in harsh weather conditions. Whether facing heavy rain, intense sunlight, or freezing temperatures, mahogany holds up well and maintains its beauty over time with minimal upkeep. Additionally, the smooth texture and fine grain of mahogany wood make it a pleasure to walk on barefoot, adding a touch of luxury to any outdoor living space.

Best Sealer: Ready Seal 530 Exterior Stain and Sealer for Wood

This product is a stain and sealer in one, providing excellent protection and enhancing the natural beauty of the wood. It’s known for its easy application and does not require a primer. It’s a great choice for mahogany decks.

Average Cost Range: $35 - $45 per gallon

Teak Decking

Teak decking is a popular choice for outdoor spaces due to its durability and natural beauty. With its rich golden brown color and tight grain pattern, teak wood adds a touch of elegance to any deck or patio. What sets teak apart from other decking materials is its high oil content, which gives it excellent resistance to rot, insects, and weathering. Despite being more expensive than other types of wood decking, teak stands out for its longevity and low maintenance requirements.

Best Sealer: Golden Care Teak Protector

This water-based product is known for its ability to maintain the natural color of teak wood for a longer time compared to traditional sealers. It’s easy to apply and provides excellent protection against water and UV rays.

Average Cost Range: $20 - $30 per liter

Ipe Decking

When it comes to choosing the perfect deck wood for your outdoor space, ipe decking stands out as a top choice. One of the unique aspects of ipe decking is its rich color which ranges from deep brown to olive-green hues. Over time, this exotic hardwood matures beautifully, developing a silver patina that adds character to the deck. Additionally, ipe wood is incredibly dense and hard, making it perfect for high-traffic areas that require a sturdy foundation.

Best Sealer: DEFY Extreme Semi-Transparent Exterior Wood Stain

This water-based product is a stain and sealer in one, providing excellent protection against water damage and UV rays. It’s known for its advanced technology that reflects UV rays, preventing wood graying and fading. It’s a great choice for ipe decks.

Average Cost Range: $50 - $55 per gallon

Pressure-Treated Wood Decking

Pressure-treated wood decking is a popular choice for outdoor projects, thanks to its durability and resistance to insects and decay. Choosing the right type of pressure-treated wood can make a significant difference in the longevity of your deck boards. Remember to select materials that are appropriate for your climate conditions, as different treatments may be necessary for varying levels of moisture exposure. Regularly sealing and staining these deck boards can help protect them from the elements and extend their lifespan.

Best Sealer: Thompson TH.042841-16 Waterseal Waterproof

This product is a clear multi-surface waterproofer that provides complete outdoor wood protection. It’s known for its advanced polymers that provide fade-resistant color and is a great choice for pressure-treated wood.

Average Cost Range: $25 - $35 per gallon

Composite Decking

Composite decking has quickly become a popular choice for homeowners looking to enhance their outdoor spaces. One of the key benefits of composite decking is its durability and low maintenance requirements. Many composite deck boards are made from recycled materials such as plastic bags and wood fibers, reducing the environmental impact of your outdoor renovation projects. Additionally, composite decking is available in a wide range of colors and styles, allowing homeowners to customize their decks to match their unique aesthetic preferences

Best Sealer: DEFY Composite Deck Sealer

This water-based product is a clear sealer specifically designed for composite decking. It’s known for its ability to prevent the damaging effects of water, fungi, and UV radiation on composite wood.

Average Cost Range: $50 - $60 per gallon

Deck Maintenance Tips

Taking care of your wood deck ensures it remains a welcoming oasis for relaxation and gatherings. Whether you’re a seasoned homeowner or a first-time deck owner, follow these straightforward steps to keep your deck in top shape:

Regular Cleaning: Keep It Tidy

Regular cleaning is the first and most important step in maintaining your deck.

• Sweep Often: Sweep your deck often to clear away leaves, dirt, and other debris. This simple act prevents moisture buildup, which can lead to the growth of mold and mildew, potentially damaging your deck.

• Deep Clean Occasionally: For a more thorough clean, consider using a deck cleaner and a scrub brush once or twice a year. A deck cleaner is a specially formulated cleaning solution that removes dirt, grime, and stains from your deck. Follow the instructions on the deck cleaner bottle carefully to avoid damaging your deck.

• Pressure Wash with Caution: Pressure washing is another effective way to clean your deck. However, it should be done with caution. While a pressure washer can remove stubborn dirt and grime, it can also damage the wood if not used properly. Use a low-pressure setting on your pressure washer and follow the manufacturer’s instructions to avoid damaging your deck.

Inspect and Fix

• Check Regularly: Regular inspections are an essential part of deck maintenance. It’s important to check your deck for signs of damage, such as cracks, loose boards, or warping. Small issues can quickly become bigger problems if not addressed promptly.
• Tighten Things Up: Over time, the nails or screws that hold your deck together can loosen. Tighten these fasteners regularly to maintain the stability of your deck. Use a screwdriver or a power drill to tighten any loose screws or nails. Don’t forget to inspect the joists and handrails as well. The joists are the horizontal pieces of wood that support the deck boards, while the handrails are the rails around the edge of the deck. Make sure these are secure and in good condition.
• Replace Bad Boards: When inspecting your deck, pay close attention to the deck boards. These are the flat pieces of wood that make up the surface of your deck. Look for signs of rot, splintering, or discoloration. If you notice any damaged boards, it’s important to replace them as soon as possible to prevent further damage.

Stain and Seal

• Choose the Right Products: When choosing a stain, consider the type of wood your deck is made from. Different types of wood, such as redwood or pressure-treated wood, may require different types of stain. Also, consider whether you want a natural look or a colored stain.
• Prep the Deck: Before you apply any products, make sure your deck is clean, dry, and free of debris. You may need to sand your deck to create a smooth surface for the stain and sealant. Use a sander to remove any rough spots or old stains. This will help the new stain and sealant adhere better.
• Apply Carefully: Once you’ve chosen your stain, apply it using a sprayer or a brush. Follow the instructions on the stain container carefully. After the stain has dried, apply a sealant to protect your deck from moisture and UV damage. Again, follow the instructions on the sealant container carefully.‍

Additional Tips for Deck Care

• Furniture Rotation: One of the joys of having a deck is the ability to furnish it with comfortable outdoor furniture. However, heavy furniture can leave stains or marks on your deck over time. To prevent this, consider rotating your furniture regularly. This not only prevents one area from being worn down but also allows your deck to age evenly. Using furniture pads can provide added protection by distributing the weight of the furniture more evenly and preventing direct contact with the deck surface.
• Trim Nearby Plants: If you have plants or trees near your deck, regular trimming is essential. Overgrown bushes and trees can trap moisture and prevent proper air circulation, leading to rot and mildew. By keeping your plants trimmed, you ensure good air circulation and reduce the risk of damage to your deck.

• Clear Snow and Ice: If you live in a region that experiences winter weather, it’s important to promptly remove any snow and ice buildup on your deck. The weight of snow and ice can cause damage, and the water from melting snow and ice can lead to moisture damage. Use a plastic shovel to clear snow from your deck, being careful not to damage the wood.

Remember, a well-maintained deck not only looks beautiful but also ensures safety for you and your loved ones. Enjoy your outdoor haven!

Conclusion

Choosing the best deck sealer is essential for protecting your outdoor space from the elements and preserving its beauty for years to come. By considering factors such as durability, waterproofing properties, ease of application, and UV protection, you can make an informed decision on which product will best suit your needs. Whether you opt for a clear sealant to maintain the natural look of the wood or a tinted sealer to enhance its appearance, investing in quality deck sealer is a worthwhile endeavor. Remember to carefully follow the manufacturer's instructions for proper application and maintenance to ensure optimal results. If you prefer, you can always hire a professional to seal your deck for you. Don't delay in giving your deck the protection it deserves by selecting one of the top-rated deck sealers on the market today.