Wood Whiz

Top outdoor wood sealers

Top Pick

Thompson’s Outdoor WaterSeal - Overall Best Pick

Best Outdoor Wood Sealer

Thompson’s WaterSeal
One of the best wood treatments today, Thompson’s WaterSeal gives pressure treated wood a great finish and is perfect for fences, outdoor furniture, shutters, and decks. Unlike other lower-end finishes, Thompson’s Waterseal is strong enough to protect your outdoor wood surfaces for at least two years, if not more, with just one coat. 

Wood Whiz- Eric Hawkings

Welcome to woodwhiz.com. My name is Eric Hawkins. I love all things wood. After getting a degree in engineering, I followed my passion of working with wood in different capacities like woodworking, staining, polishing, oils, crafts, finishing and much more.
Most of my family and friends call me a wood wizard. Whenever I can help them with their projects I do but I soon realized that the problems they were encountering were not unique. Many people on the internet were having  similar issues. So one day I thought, why not create a space where I can help more people with all wood related issues. So the idea of ‘ woodwhiz.com’ was born!

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Best Quality PRODUCTS

#1

Thompson’s WaterSeal

A product that has been around a while, Thompson’s WaterSeal can only be used on outside structures. One of the best wood treatments today, it gives pressure treated wood a great finish and is perfect for fences, outdoor furniture, shutters, and decks. Unlike other lower-end finishes, Thompson’s Waterseal is strong enough to protect your outdoor wood surfaces for at least two years, in not more.

Single Coat Finish
With just one coat, Thompson’s WaterSeal can give you a gorgeous, replenished look to poorly treated or weathered wood. It comes in five colors including maple brown, Sequoia red, harvest gold, acorn brown, and woodland cedar.

Easy to Use
You can apply Thompson’s WaterSeal to both damp and dry wood. This is a water-based formula that makes clean up easy after you apply it, so all you need is soap and water. With just one-gallon, you can cover up to 200 square feet.

Resistance
Thompson’s WaterSeal also has a strong resistance to mold and mildew while giving wood protection from harmful UV rays. This sealer helps to guarantee the best return for your money by giving you both the original beauty and integrity of the wood.

  • This is a high-quality product that has great waterproofing ability
  • Using just a little goes a long way, and it lasts a few years
  • It has no odor and also gives wood UV protection
  • You can only use it on outside wood products
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#2

Agra-Life TriCoPolymer Wood Sealer – Most Versatile Wood Sealer

Well-known in the industry, Agra-Life TriCoPolymer Wood Sealer is reliable and eco-friendly. Containing no toxins or volatile organic compounds, Agra-Life will cure into a plastic-like coating. With an easy application, you don’t have to worry about risks to plants, pets, or children and can resist insects, mold, rot, rain, and UV rays.

Versatility
Ideal for both internal and external use, Agra-Life wood Sealer adds many extra years to shingle siding, sidings, and fence posts. It works really well on decks thanks to its glossy and thick finish that can be slippery when it is wet. It also works well most water-based stains and paints making it a great choice for gazebos, trellises, and fences.

  • It can last up to three times longer than its competitors
  • You can use it inside and outside
  • It works really well on studs and plywood to protect against water damage
  • Not great for walking surfaces since it can be slippery after being applied
  • It can also discolor with poor application
Agra-Life TriCoPolymer Wood Sealer – Most Versatile Wood Sealer
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#3

Minwax Helmsman Spar Urethane – Best Finish

Among some of the best wood sealer for outdoor furniture, Minwax Helmsman Spar Urethane gives you a bright and protective finish. With a wide variety of applications, you can use it on doors and windows for protection from rain, moisture, and sunlight. Plus, it can help protect against warping when there are temperature changes.

Easy to Maintain
Since it only takes a short time to dry, you can also use Minwax Helmsman Spar Urethane on indoor projects such as cabinets and countertops. With a glass-like finish, you can be guaranteed that it will correctly on wood surfaces that have been stained. It is also easy to clean and convenient to apply with a brush or roller

Easy Application
This is a very thick product that helps to make the application more comfortable. Minwax Helmsman Spar Urethane creates a barrier that protects wood surfaces from deterioration from moisture and rain. It also includes compounds that prevent fading from UV rays as well as other harmful effects exposure to sunlight can cause. ensures it works just right on stained wood surfaces.

  • It is very easy to apply and dries quickly
  • The formula helps to protect the wood from warping due to rain exposure
  • It can stop graying and fading caused by the sun
  • It can turn a little yellow after you apply it
  • It is on the expensive side
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#4

Star Brite Sealer – Best Marine Wood Sealer

Among the top sealers for marine teak, Star Brite Sealer works for all types of wood. Offering a great finish to wood, this is an oil-based product that protects wood from damage from saltwater and harsh weather conditions. It works well on decks and outdoor furniture.

Natural Oils
Using natural oils for ultra-refining, Star Brite Sealer can protect the wood from extreme conditions. Using a blend of various additives, the sealer can stop wood from becoming discolored or gray when exposed to sunlight for long periods of time. Providing a natural and golden appearance, it is easy to apply, dries fast, and woods well on products that spend a lot of time in the water.

  • It’s great for boats as well as teak wood
  • You get a really nice golden glow that also enhances the wood’s appearance
  • It helps to protect the wood from UV rays and saltwater
  • The application process is pretty involved
  • It is on the expensive side
Star Brite Sealer – Best Marine Wood Sealer
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#5

Rainguard Wood Sealer – Most Eco-Friendly Sealer

Containing no toxic chemicals, Rainguard Wood Sealer is an eco-friendly product that protects wood without the risk of harm to plants, animals, and humans. This makes it perfect to use around vegetable gardens and other home uses. Using both siloxanes and silanes, Rainguard Wood Sealer consists of a water-resistance property and can create a hydrophobic barrier.

Powerful Barrier
Using propriety ingredient in micro-lok, Rainguard Wood Sealer creates a powerful barrier that can sustain the cohesion of a wood structure in harsh conditions. With a thin hydrophobic barrier, it stops UV rays, water penetration, and freezing. This provides guaranteed protection from mildew and rotting.

Durable and Sturdy
This is a sturdy and durable finish that has a natural, bright look that won’t change the texture or appearance of wood. Rainguard Wood Sealer is a great choice for horizontal and vertical wood surfaces, and too much spraying during application won’t cause harmful effects on either glass or other areas of a building.

  • It is eco-friendly and doesn’t contain harmful toxins
  • The formula creates a great water-resistant barrier
  • It doesn’t change the appearance of wood
  • It is rather thin, and you may need to put on several coats
Rainguard Wood Sealer – Most Eco-Friendly Sealer
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#6

Anchorseal 2 Green – Best Sealer for Green Wood

Great at sealing green wood planks, Anchorseal 2 Green will help to reduce cracking in your wood. It also helps to seal end grain checking or the flakes that you see on the end of wood planks after it has been cut. Used by professional contractors, this is a reliable product that has been around for 30 years.

Splintering
All it takes is a few coats and you can solve any splintering problem on your wood. Anchorseal 2 Green helps to keep wood firmly together and is best when used right after you cut the wood.

  • This is a great product to use on greenwood
  • It helps seal end grain checking
  • It is very affordable and doesn’t need touch-ups after application
  • It takes a while to dry
  • Not the best products for a huge project
Anchorseal 2 Green – Best Sealer for Green Wood
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#7

Ready Seal Stain and Sealer – Best Stain and Sealer Combination

A great combination of sealer and stain, this product will help you save money and time. Ready Seal Stain and Sealer is an oil-based product that offers a somewhat transparent appearance. Available in nine different colors, it is great at protecting and sealing wood structure outdoors.

Appearance

While it preserves wood, it also can enhance the natural appearance of wood. It allows the grain of the wood to show while keeping the texture of the wood visible. Forming a thick layer over the wood’s surface, Ready Seal Stain and Sealer can be applied at any temperature and gives you a streak-free finish.

  • You can choose from nine different colors to match the wood you are working on
  • It is great at waterproofing and protecting wood
  • It won’t streak or run when applied
  • It doesn’t have a great coverage area
  • It is on the expensive side
Ready Seal Stain and Sealer – Best Stain and Sealer Combination
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#8

DEFY Waterproofing Sealer – Best Water-Resistant Protection

This water-based sealer is eco-friendly and won’t contain toxic fumes or other emissions. DEFHY Waterproofing Sealer is easy to clean up and dries with a clear protective layer. It can stop discoloration on composite wood while also sealing and protecting it.

Protection

This sealer contains zinc which is known to coat steel and can provide a great coating thanks to its chemical properties. The zinc oxide helps to protect the wood from damage from UV rays, which can also wood to rot and degrade. DEFY Waterproofing Sealer gives your wood a longer lifespan lasting one to two years longer than its competitors.

  • It is easy to clean and safe for the environment
  • The formula contains zinc that makes it resistant to UV rays
  • It has a really long lifespan
  • It is on the expensive side
  • You need to put on several coats
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#9

Waterlox Marine Sealer – Most Natural Product

Typically, marine sealers are just used on boats, but Waterlox Marine Sealer is designed for general use. However, it does have a great waterproofing quality that is different from other marine sealers that are just used above the waterline.

Flexibility

Using a natural substance called Tung oil, Waterlox Marine Sealer will dry forming a tough finish and a gorgeous shine. This is a flexible product that will move with the wood, so it won’t chip. Waterlox Marine Sealer is very easy to maintain and is water-resistant making it safe to use in sleet, snow, salt water, and water. Plus, it protects wood from fading due to exposure to UV rays.

  • It gives you a lot of resistance protection to water
  • The sealer gives you a really nice shine
  • It has a great coverage area
  • It may need to be buffed after drying
  • It is on the expensive side
Waterlox Marine Sealer – Most Natural Product
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#10

EcoProCote Acri-Soy Wood Sealer – Best Concrete Sealer

With the ability to penetrate eco-friendly, clear concrete, the EcoProCote Acri-Soy Wood Sealer uses high-end technology featuring soy ester dispersion resins to offer lasting protection to wood and concrete. Providing very effective penetration, soy yester can protect a porous surface by creating a molecule bond whose seal is highly repellant. This product is mixed together with modified water-based acrylics to create an effective sealer for fiber cement, tile grout, plaster, stucco, natural stone, wood trim, masonry block, wood decks, brick pavers, and garage floors.

Lasting Protection

Performing better than other water-based sealers, it gives you lasting protection against marring, dusting, stains, and moisture. EcoProCote Acri-Soy has a great spread rate and only evaporates once it has entered the pores of the substrate. If you are doing Green Building, this product will not affect the air quality when it is applied.

Resistance

Resistant to bad weather conditions and UV rays, this is a fast-drying product that will improve the life of the wood substrate. Once you have applied the product, it is easy to clean up with water and soap. EcoProCote Acri-Soy won’t flake, film, or peel and has a soy milk type of odor.

  • There are no toxic chemicals used in this product
  • It is easy to clean up and dries quickly
  • You can use it on lots of different products
  • It does change the color of some types of wood
EcoProCote Acri-Soy Wood Sealer – Best Concrete Sealer
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