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Best Sealer For Exterior Wood (2024 Updated)

If you’re looking for a sealer for exterior wood, there are a few factors to consider before making a purchase. First, it's important to know the type of wood you will be applying the sealer to. Some sealers work better for certain types of wood than others. Also, the climate you live in may play a role in the type of sealer you need. Areas with harsher weather conditions may require a more heavy-duty sealer. Finally, consider how long the sealer will last and if it requires ongoing maintenance.

When choosing a sealer for exterior wood, it’s important to think long-term. While some sealers may have a lower price point or require less maintenance, they may not last as long and could end up costing more in the long run. Also, keep in mind that some sealers may offer additional benefits such as UV protection, mildew resistance, or water resistance. Determine what is most valuable to you and your specific needs.

Are you tired of constantly having to replace or treat the wood on your deck or outdoor furniture? Are you concerned about protecting your investment from harsh weather conditions? Choosing a high-quality sealer for exterior wood can save you time and money in the long run. Keep in mind that sealers are not a one-size-fits-all solution, so take the time to research and choose the best option for your specific needs.

10 Best Sealer For Exterior Wood

# Product Image Product Name Product Notes Check Price
1
Garden-Seal is ideal for protecting outdoor surfaces from water damage, UV rays, and mildew.
2
Ideal for protecting and enhancing the appearance of exterior wood surfaces such as decks, fences, and outdoor furniture.
3
It is ideal for protecting all types of wood from water and weather damage in raised beds, planters, and pet houses.
4
Ideal for protecting and staining exterior wood surfaces, such as decks, fences, and outdoor furniture.
5
The product is ideal for protecting and preserving outdoor wood furniture from various weather conditions.
6
Ideal for waterproofing wood surfaces, protecting against water damage and extending the life of outdoor furniture, decks, and fences.
7
This product is ideal for staining and sealing exterior wood surfaces.
8
This product is ideal for restoring and protecting saunas with both interior and exterior applications, providing a cedar scent.
9
It is ideal for waterproofing exterior wood surfaces.
10
It is ideal for protecting and enhancing the look of exterior wood surfaces, such as decks, fences, and outdoor furniture.
Garden-Seal is ideal for protecting outdoor surfaces from water damage, UV rays, and mildew.
Ideal for protecting and enhancing the appearance of exterior wood surfaces such as decks, fences, and outdoor furniture.
It is ideal for protecting all types of wood from water and weather damage in raised beds, planters, and pet houses.
Ideal for protecting and staining exterior wood surfaces, such as decks, fences, and outdoor furniture.
The product is ideal for protecting and preserving outdoor wood furniture from various weather conditions.
Ideal for waterproofing wood surfaces, protecting against water damage and extending the life of outdoor furniture, decks, and fences.
This product is ideal for staining and sealing exterior wood surfaces.
This product is ideal for restoring and protecting saunas with both interior and exterior applications, providing a cedar scent.
It is ideal for waterproofing exterior wood surfaces.
It is ideal for protecting and enhancing the look of exterior wood surfaces, such as decks, fences, and outdoor furniture.

1. Garden-Seal

Protecting wood and metal from salt damage is easy with this amazing coating. It is perfect for coating treated posts and stakes before installing them below grade or in concrete. No harsh smells during or after application, and there are no waxy or oily residues left behind.

This coating is specially designed to protect wood and metal from salt damage. It can be used on treated posts and stakes, and is ideal for use when installing them below grade or in concrete. The coating does not have any harsh smells, and it is easy to apply. There are no waxy or oily residues left behind after application.

Protecting wood and metal from salt damage has never been easier. This coating is perfect for coating treated posts and stakes before installing them below grade or in concrete. There are no harsh smells during or after application, and there are no waxy or oily residues left behind. It is specially designed to prevent salt damage to both wood and metal.

Pros

  • Easy to apply
  • No harsh smells during or after application
  • No waxy or oily residues left behind
  • Ideal for use on treated posts and stakes
  • Great for preventing salt damage to both wood and metal

2. Ready Seal 500 Clear, 5-Gallon Exterior Wood Stain And Sealer, 5 Gallon

This versatile product requires no primer and can be applied using a sprayer, roller, or brush. It is perfect for a variety of projects and requires no back brushing or wet-line application. It is ideal for use in any temperature range.

With this product, you can ensure a smooth and even finish, regardless of the application method. It can be used in a variety of environments and is perfect for both indoor and outdoor use.

This product is easy to use and does not require any special equipment or knowledge. Simply apply it to your desired surface using your preferred method, and enjoy a beautiful and long-lasting finish.

Pros

  • Does not require a primer
  • Can be applied using a sprayer, roller, or brush
  • No back brushing or wet-line application required
  • Can be applied in any temperature range
  • Ideal for a variety of projects and environments
  • Easy to use and provides a smooth and even finish

3. Eco-Seal: Wood Protection For Garden Boxes.

The Garden Bed Wood Sealer is a must-have product for all those who own a raised bed garden. It is specially designed to protect cedar and all types of wood used in raised bed gardens from getting damaged for a decade or more. The deep penetrating, natural oils in the sealer bond with wood fibers and ensure long-lasting protection.

One of the best features of this garden bed sealer is that it is non-toxic and plant-based, making it safe for food, plants, people, and pets. It contains no toxic chemicals that can leach into your garden's soil and harm your plants, vegetables, or pets. The sealer is made from plant-based curing oil, plant-based carrier oil, plant-based penetrant, and plant-based surfactants, ensuring that you can understand all the ingredients.

The Garden Bed Wood Sealer is not only great for your garden but also for your pet projects. You can use it to seal your chicken coop, dog house, birdhouse, or bird feeders. It covers up to 400 SF and is used by professional growers who are required to have their soils tested for harmful chemicals.

The sealer is made in the USA, just outside Philadelphia, PA, and is free from toxic chemicals. Unlike other wood sealers that contain toxic chemicals such as boiled linseed oil, siloxane, polymers (polyurethane or acrylic), metal driers, or silicones, SIG Garden Box only uses plant-based, sustainable ingredients. It prevents nearly all cracks and end checks, warping, and splitting, ensuring that you have no more cracked boards.

Lastly, the Garden Bed Wood Sealer comes with live project support, and in-house project specialists can help you with even the most challenging projects. You can message them through Amazon or give them a call.

Pros

  • Non-toxic and plant-based, making it safe for food, plants, people, and pets.
  • Prevents nearly all cracks and end checks, warping, and splitting.
  • Covers up to 400 SF and is used by professional growers who are required to have their soils tested for harmful chemicals.
  • Made in the USA and free from toxic chemicals.
  • Live project support from in-house project specialists.

4. Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain And Sealer For Wood

The Ready Seal is an easy-to-use wood stain that requires no primer and is ideal for sprayers, rollers or brushes. It is important to note that it should not be applied over painted or newly stained surfaces as sealed surfaces inhibit penetration, and it will reach its true color in approximately 14 days. With no back-brushing required, the product will blend itself and can be applied in any temperature range for proper application. It does not require diluting or thinning prior to spray applications. The product is easy to maintain as it does not require sanding or stripping for re-application. Its 'goof-proof' application ensures no laps, runs, or streaks. The product is unavailable in California and is subject to or will include a PaintCare recycling fee in the following states: CT, VT, OR.

The Ready Seal is a versatile product that can be used on all types of exterior wood, including decks, fences, gazebos, and outdoor furniture. Its unique formula ensures that it does not leave any runs, laps or streaks, making the application process quick and easy. The product requires no wet-line application and will blend itself, providing a consistent finish every time. It is suitable for use in any temperature range and does not require any diluting or thinning prior to use. The product can be applied using a sprayer, roller, or brush, making it ideal for both DIY and professional use.

The Ready Seal is a reliable and efficient product that provides long-lasting protection to exterior wood surfaces. Its easy maintenance process ensures that the product stays looking new for longer, and its 'goof-proof' application process makes it ideal for use by anyone. With no back-brushing required, the product is quick and easy to apply, providing a consistent finish every time. The product is subject to or will include a PaintCare recycling fee in the following states: CT, VT, OR. Overall, the Ready Seal is an excellent choice for anyone looking for a reliable, easy-to-use wood stain that provides long-lasting protection to exterior wood surfaces.

Pros

  • Easy maintenance process
  • Versatile product that can be used on all types of exterior wood
  • Does not leave any runs, laps or streaks
  • Can be applied using a sprayer, roller, or brush
  • Provides long-lasting protection to exterior wood surfaces

Cons

  • – Unavailable in California
  • – Subject to or will include a PaintCare recycling fee in the following states: CT, VT, OR

5. Garden Shield: Ultimate Wood Protection

The Sealing Oil by Nordicare is specially formulated to provide excellent treatment and maintenance for all types of outdoor wooden surfaces such as garden furniture, porches, and oil-finished building structures. Whether it is exotic woods like teak, merbau, and mahogany or pine, beech, and oak, this oil is suitable for all. The oil penetrates the surface and seals it, providing lasting protection against moisture, dirt, drying out, and rot. It also amplifies the natural color and structure of the wood, giving it a beautiful finish.

The application of this oil is easy and hassle-free. You can apply it with a brush or cloth in a generous and even layer. For very absorbent surfaces, it is recommended to treat them several times until the surface is completely saturated. After an hour, wipe off the excess oil and clean the brush in turpentine and soap water. With a coverage of 8-12 m2 per litre and a drying time of approximately 24 hours, you can achieve a perfect finish in no time.

This Sealing Oil is proudly 100% made in Denmark, from the origin of wood furniture production to perfect care. Nordicare works with renowned furniture manufacturers to develop and produce its wood oils using natural raw materials. With a century-long history of creating consumer cleaning/care products for furniture and kitchen appliances, Nordicare has countless satisfied customers worldwide. The company emphasizes efficiency, high-quality, and an unwavering respect for the environment in all its product development processes. All Nordicare products are designed to have a minimum impact on the environment.

Nordicare stands behind the quality of its Sealing Oil and offers a satisfaction guarantee. If for any reason, you are not 100% happy with the product, you can avail of the money-back guarantee.

Pros

  • Suitable for all types of outdoor wooden surfaces
  • Provides lasting protection against moisture, dirt, drying out, and rot
  • Easy and hassle-free application
  • Amplifies the natural color and structure of the wood
  • 100% made in Denmark using natural raw materials
  • Designed to have minimum impact on the environment
  • Comes with a satisfaction guarantee

6. Eco Advance Wood Siloxane Waterproofer – 1 Gallon

This commercial grade formula is perfect for those who want to protect their wooden surface against various damages. It can be applied easily with a standard garden pump sprayer and is ideal for use on a variety of wooden surfaces such as wood decking, wood fences, plywood, wood shingles, and wood siding.

With this formula, there is no need to worry about water damage, oil, stains, mold, mildew, de-icing salts, and pool/spa chemicals as it provides complete protection against them. This water-based, non-toxic, non-flammable formula is also safe to use around landscape plantings, making it an excellent choice for those who want to protect their wooden surface without harming their plants.

This vapor permeable (breathable) water proofer can also be used on new wood, making it a versatile solution for all your wooden surface protection needs. So, if you want to protect your wooden surface against various damages, this commercial grade formula is an excellent choice for you.

Pros

  • Easy to apply using a standard garden pump sprayer
  • Can be used on a variety of wooden surfaces
  • Provides complete protection against water damage, oil, stains, mold, mildew, de-icing salts, and pool/spa chemicals
  • Water-based, non-toxic, non-flammable formula
  • Safe to use around landscape plantings
  • Vapor permeable (breathable) water proofer
  • Can be used on new wood

7. Ready Seal 125 Dark Walnut Exterior Wood Stain And Sealer, 1 Gallon (Pack Of 4)44

This wood stain is a professional-grade, oil-based product that comes in a one-gallon size. Its rich, walnut color beautifully highlights the natural look of wood. The stain penetrates deeply into the wood, providing protection and preservation from the elements.

The oil-based formula ensures that the stain will last for a long time, and the one-gallon size allows for generous coverage. The product is easy to apply and dries quickly, providing a lasting finish that is resistant to fading and chipping. It is ideal for use on wood furniture, decks, and other outdoor structures.

The wood stain is designed to protect wood from water damage, mildew, and UV rays. It is also resistant to cracking and peeling, making it a great choice for areas with high foot traffic. This stain is perfect for anyone who wants to protect and enhance the beauty of their wood surfaces.

Pros

  • Professional-grade quality
  • Penetrates deeply to protect and preserve wood
  • Rich, walnut color highlights natural wood
  • Easy to apply and dries quickly
  • Resistant to fading, chipping, cracking, and peeling
  • Ideal for use on outdoor structures

8. Scandia Cedar Sauna Wood Oil – 1 Gallon

Revitalize old wood and keep new wood looking new with this specially formulated wood restore and protect solution. The solution is designed to preserve the quality of the wood, ensuring it lasts longer. Whether it's for interior or exterior use, this product will work wonders on your wood surfaces. The formula is 100% natural, free of harsh chemicals and additives. It's a non-toxic blend of aromatic oils and highly refined, food-grade, clear petroleum-based oil. This makes it safe to use around pets and children.

This wood restore and protect solution provides full coverage and doesn't cause lap marks when overlapping during application. With just one gallon, you can cover approximately 600 to 800 sq. ft. of surface area. The solution forms an attractive, subtle, glossy finish that enhances the natural beauty of the wood. It's a multi-use application, perfect for revitalizing old furniture, decking, and garden furniture.

With its all-natural ingredients, this wood restore and protect solution not only protects your wood surfaces but also helps to maintain their natural beauty. The formula seeps deep into the wood, providing long-lasting protection. Its clear formula ensures that it doesn't change the color of the wood, making it perfect for use on a variety of different woods.

Pros

  • Specially formulated to revitalize old wood and keep new wood looking new
  • 100% natural and non-toxic blend of aromatic oils and highly refined, food grade, clear petroleum-based oil
  • Provides full coverage and doesn't cause lap marks during application
  • Forms an attractive, subtle, glossy finish that enhances the natural beauty of the wood
  • Multi-use application, perfect for use on interior and exterior wood surfaces

9. Eco Advance 5 Gallon Exterior Wood Siloxane Waterproofer-Ready To Use

This commercial grade formula is designed to protect various wood surfaces from water damage, stains, oil, mold, mildew, de-icing salts, and pool/spa chemicals. It can be applied easily using a standard pump sprayer, making it convenient for homeowners and professionals alike. The product is ideal for use on wood decking, wood fences, plywood, wood shingles, and wood siding, among others.

This water-based and non-toxic formula is safe for use around landscape plantings, and it is also non-flammable. The waterproofer is vapor permeable, which means it allows wood to breathe while still protecting it from water damage. The product can be used on new wood, making it an excellent choice for new construction projects or woodwork renovation.

This wood protector is a reliable solution to keep wood surfaces looking great for years to come. It is easy to apply, safe for the environment, and provides excellent protection against various elements that can damage wood.

Pros

  • Can be applied using a standard pump sprayer
  • Protects against water damage, oil, stains, mold, mildew, de-icing salts, and pool/spa chemicals
  • Water-based and non-toxic formula
  • Does not harm landscape plantings
  • Vapor permeable (breathable) waterproofer
  • Can be used on new wood

10. Ready Seal Exterior Stain And Sealer-1 Gallon Can (Pecan 115)

Achieve a long-lasting wood finish with this Wood Stain and Wood Sealer in one. The specially formulated product ensures that there is no peeling, cracking or chipping even after extended use. With its Goof Proof application process, the product is easy to use and ensures that you get a perfect finish every time. Designed for exterior use only, this wood sealer and stain can provide coverage of approximately 125-150 sq. feet per gallon. Give your wood a protective and stylish finish with this versatile wood sealer and stain.

Protect your wood surfaces from harsh environmental factors with Ready Seal Wood Stain and Wood Sealer. This product can be used on any exterior wood surface, providing a long-lasting finish. The formula is specially designed to prevent peeling, cracking, or chipping, ensuring that your wood looks great even after years of use. The application process is goof-proof, making it easy for anyone to use. With coverage of approximately 125-150 sq. feet per gallon, this wood sealer and stain is a cost-effective solution for your wood finishing needs.

Ready Seal Wood Stain and Wood Sealer is the perfect product for anyone looking to protect their exterior wood surfaces. The product is specially formulated to ensure that there is no peeling, cracking or chipping, providing a long-lasting finish. The application process is easy and goof-proof, making it perfect for both professionals and DIY enthusiasts. The wood sealer and stain provides coverage of approximately 125-150 sq. feet per gallon, making it a cost-effective solution for protecting and finishing your wood surfaces.

Pros

  • Easy to use Goof Proof application process
  • Wood Stain and Wood Sealer in one product
  • No peeling, cracking or chipping even after extended use
  • Designed for exterior use only
  • Provides coverage of approximately 125-150 sq. feet per gallon

Best Sealer For Exterior Wood FAQs

Can I use the same sealer for all types of exterior wood surfaces, such as decks, fences, and siding?

It is not recommended to use the same sealer for all types of exterior wood surfaces such as decks, fences, and siding. The reason being is that each type of wood surface may have different requirements and characteristics that need to be taken into consideration when choosing a sealer. For example, decks are subject to heavy foot traffic and exposure to the elements, so a sealer that is designed for high traffic areas and can withstand UV rays and water damage would work best. On the other hand, fences and siding may require a sealer that is more resistant to mold and mildew. It is important to read the label of the sealer and make sure it is suitable for the specific type of wood surface you are applying it to. By using the appropriate sealer for each surface, you can ensure that the wood is protected and enhances its natural beauty for years to come.

How do I choose the right sealer for my exterior wood project?

Choosing the right sealer for your exterior wood project is crucial to ensure that your wood is protected from harsh weather conditions, UV rays, and other external elements. There are several factors to consider when selecting a sealer, including the type of wood, the location of the project, and the desired level of protection.

Firstly, you need to determine the type of wood you are working with. Different types of wood require different sealers. For example, softwoods like cedar and pine require sealers that penetrate deep into the wood fibers, while hardwoods like oak and teak require sealers that provide a protective layer on the surface.

Secondly, consider the location of the project. If the wood is exposed to direct sunlight, you need a sealer with UV protection. If the wood is in a high moisture area, you need a sealer that repels water.

Lastly, the desired level of protection is also important. Do you want a natural look or a colored finish? Do you want a sealer that requires regular maintenance or one that lasts for several years?

In conclusion, choosing the right sealer for your exterior wood project requires careful consideration of the type of wood, location, and desired level of protection. Consulting with a professional or doing thorough research can help you make an informed decision.

How often should I reapply sealer to my exterior wood surfaces?

It is recommended to reapply sealer to exterior wood surfaces every 1-3 years. This frequency can vary depending on the type of sealer used, the climate in your area, and the amount of exposure the wood receives to the elements. Some sealers may require more frequent reapplication, while others may have longer-lasting protection.

It is important to monitor the condition of your wood surfaces regularly to determine when it's time for reapplication. Signs that your sealer is wearing down include fading color, water absorption, and visible cracks or splits in the wood.

In addition to regular reapplication of sealer, it is also important to properly prepare the surface before applying a new coat. This may include cleaning the wood, sanding any rough areas, and removing any old sealer that may have flaked or peeled. By taking the time to properly maintain and protect your exterior wood surfaces, you can ensure their longevity and beauty for years to come.

What are some common mistakes to avoid when applying sealer to exterior wood surfaces?

Applying sealer to exterior wood surfaces is an important step to protect and enhance the beauty of the wood. However, it is essential to avoid certain common mistakes that can cause damage to the wood and affect the effectiveness of the sealer. One of the most common mistakes is applying too much sealer, which can lead to a buildup of the product and cause the wood to become sticky or discolored. Another mistake is applying the sealer in direct sunlight or when the wood is too hot, which can cause the sealer to dry too quickly and not adhere properly. It is also important to avoid using a sealer that is not suitable for the type of wood or the climate in your area. This can cause the sealer to fail and not provide adequate protection. Finally, it is important to follow the manufacturer's instructions carefully and apply the sealer evenly and in thin coats, allowing sufficient drying time between coats. By avoiding these common mistakes, you can ensure that your exterior wood surfaces are properly protected and look beautiful for years to come.

What are the benefits of using a sealer for exterior wood?

Using a sealer for exterior wood has numerous benefits. Firstly, it helps to protect the wood from weather damage, including rain, snow, and UV rays from the sun. This is important as exposure to the elements can cause wood to warp, rot, or fade over time. A sealer helps to prevent this damage, extending the life of the wood and saving on costly repairs or replacements.

Secondly, a sealer can also enhance the appearance of exterior wood. It can bring out the natural beauty of the wood grain, while also adding a layer of shine or gloss to the surface. This is especially important for decks, fences, and other outdoor structures that are highly visible and add to the overall aesthetic of a property.

Lastly, a sealer can also improve the overall safety of exterior wood. Some sealers contain anti-slip properties, which can help to prevent accidents and injuries caused by slippery surfaces. This is particularly important for areas that are frequently wet or exposed to water, such as pool decks or stairs.

In summary, using a sealer for exterior wood provides protection, enhances appearance, and improves safety. It is an essential step in maintaining the longevity and beauty of outdoor wood structures.

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