Our 10 Best Wood Deck Sealer, Expert’s Top Recommendations

Wood deck sealer is an essential product for any homeowner looking to protect their outdoor wood deck from the harsh elements. This water-based acrylic sealer is designed to help protect your wood deck from the sun’s UV rays, rain, snow, and other forms of precipitation. It also helps to resist fading and discoloration caused by the sun. Wood deck sealer is easy to apply and can be used on a variety of wood types, including cedar, redwood, pine, and hardwood. It offers superior protection for outdoor wood decks, and can be used to seal new wood or to enhance the appearance of aged wood. With repeated applications, wood deck sealer can provide long-lasting protection from the elements, helping to extend the life of your deck.

# Image Product Rating Details
1 Thompson's Water Seal Semi-Transparent Wood Sealer, [...] Thompson’s Water Seal Semi-Transparent […]

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2 Thompson's Water Seal Transparent Wood Sealer, Natural [...] Thompson’s Water Seal Transparent Wood […]

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3 Olympic Stain Smartguard Concentrated Multi-Surface [...] Olympic Stain Smartguard Concentrated […]

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4 Eco Advance Wood Siloxane Waterproofer - 1 Gallon Eco Advance Wood Siloxane Waterproofer […]

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5 Thompsons Water Seal 21801 1-Gallon Clear Waterproofed [...] Thompsons Water Seal 21801 1-Gallon […]

4.5

6 Seal-Once Marine Premium Wood Sealer - Waterproof [...] Seal-Once Marine Premium Wood Sealer – […]

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7 Ready Seal 512 5-Gallon Pail Natural Cedar Exterior [...] Ready Seal 512 5-Gallon Pail Natural […]

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8 THOMPSONS WATERSEAL 21802 VOC Wood Protector, [...] THOMPSONS WATERSEAL 21802 VOC Wood […]

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9 Thompson's Water Seal Thompson's WaterSeal Solid Color [...] Thompson’s Water Seal Thompson’s […]

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10 Deck Stain Brush Applicator by Foxtrot - Fast [...] Deck Stain Brush Applicator by Foxtrot […]

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The Definitive Top 10 Best Wood Deck Sealer, 2023 Top Recommendations

1#. Thompson’s Water Seal Semi-Transparent Wood Sealer, Sedona Red, 1 Gallon

Product image of Thompson's Water Seal Semi-Transparent Wood Sealer, Sedona Red, 1 Gallon
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Features

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 5 Years on Decks, 7 Years on Fences and Siding
  • Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood

  • 2#. Thompson’s Water Seal Transparent Wood Sealer, Natural Cedar, 1 Gallon

    Product image of Thompson's Water Seal Transparent Wood Sealer, Natural Cedar, 1 Gallon
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    Features

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 4 Years on Decks, 5 Years on Fences and Siding
  • Exceeds Industry Standard ASTM D-4446 for Waterproofing Wood

  • 3#. Olympic Stain Smartguard Concentrated Multi-Surface Sealant, Clear, 15oz

    Product image of Olympic Stain Smartguard Concentrated Multi-Surface Sealant, Clear, 15oz
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    Features

  • Stain Your Deck Quickly And Easily – Olympic Smart guard is a patent-pending deck stain product that allows you to simply spray on the sealant eliminating the need for back-brushing your deck.
  • Simple Stain Process – To apply Olympic SmartGuard Deck Sealant simply pour the pouch into a deck sprayer, add 2 gallons of water, and then spray over your deck – it works on traditional wood decks, concrete, and even composite decking!
  • Quick Dry – Dries in 1 hour so you can entertain or spend time outdoors with less hassle and less disruption. Apply this deck sealant quickly and get back to enjoying your day.
  • Use Even After Rain – Can be applied after cleaning or rain ensuring you get to have fun on your deck as quick as possible
  • Durable – Strong durability and waterproofing protection makes Olympic Smart Guard the smart choice for any homeowner who wants to seal their wood or composite deck quickly and still enjoy the outdoors.Multi-Surface Use – While many deck sealants only work on wood, Olympic Smart Guard works as a sealant on Wood Decks, Concrete Patios, Masonry, and even weathered Composite Decks.A Trusted Name In Deck Stain Technology – The Olympic brand has been trusted to provide quality results since 1938. Its history of excellence and expertise has made Olympic Stains a category leader with a reputation for delivering innovation and durability at an affordable price. Gorgeous results are always guaranteed with Olympic Stains. With a full range of exterior stains, resurfaces and wood cleaners, we have the products you need to complete your next wood staining project right.

  • 4#. Eco Advance Wood Siloxane Waterproofer – 1 Gallon

    Product image of Eco Advance Wood Siloxane Waterproofer - 1 Gallon
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    Features

  • Ready to use commercial grade formula can be applied using a standard garden pump sprayer
  • Ideal for use on wood decking, wood fences, plywood, wood shingles, wood siding and much more
  • Protects against water damage, oil, stains, mold, mildew, de-icing salts, and pool/spa chemicals
  • Water-based, non-toxic, non-flammable formula does not harm landscape plantings
  • Vapor permeable (breathable) water proofer can be used on new wood

  • 5#. Thompsons Water Seal 21801 1-Gallon Clear Waterproofed Plus Clear Wood Protector

    Product image of Thompsons Water Seal 21801 1-Gallon Clear Waterproofed Plus Clear Wood Protector
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    Features


    6#. Seal-Once Marine Premium Wood Sealer – Waterproof Sealant – Wood Stain and Sealer in One – 1 Gallon & Clear

    Product image of Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Clear
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    Features

  • MARINE SEALANT: Our liquid formula creates a UV-stable coating for protection against the elements, saltwater spray, and water damage. Marine is a great protector for outdoor furniture, thermally modified wood, and boat docks. Marine is safe for use over open water and is non-hazardous to aquatic life.
  • DECK STAIN: It’s water-based, ultra-low VOC, great for enhancing the extended life of your flooring, siding, and porch. The paint forms a water-resistant shield around wood fibers at the cellular level to help preserve the natural color.
  • WATERPROOF WOOD SEALER: The wood used on boat docks, decks, and retaining walls near rivers, lakes, oceans, and ponds is subjected to constant moisture. We crafted a sealer, remove stain, and finish all in one, specifically for these installations.
  • WOOD SEALANT: Our fast-drying protector penetrates wood below the surface, coating the wood fibers at the cellular level, which creates a long-lasting, flexible, breathable barrier. It provides a no-fuss, easy clean-up with soap and water.
  • SEAL-ONCE: Our user-friendly wood sealers and stains are an effective way to protect your lumber or concrete against water damage. When you use Seal-Once, you have the satisfaction of knowing our products will not harm pets, plants, or people.

  • 7#. Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood

    Product image of Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood
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    Features

  • Requires no primer. Ready Seal is darkest when first applied. It reaches its true color in approximately 14 days. Do not apply Ready Seal over painted or newly stained surfaces. Sealed surfaces inhibit penetration.
  • May be applied using sprayer, roller or brush onto the woods surface.
  • Requires no back brushing and will nerver leave runs, laps, or streaks.
  • Requires no wet-line application, the product will blend itself and can be applied in any temperature range for proper application.
  • Requires no diluting or thinning prior to spray applications.
  • Subject to or will include a PaintCare recycling fee in the following states: CT, or VT. Not available in CA.
  • Easy maintenance – no sanding or stripping required for re-application
  • NO ADDITIONAL COST: You pay $0 for repairs – parts, labor and shipping included.
  • COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
  • EASY CLAIMS PROCESS: File a claim anytime online at www.Asurion.com/Amazon or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
  • MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder). Contact us if you cannot locate your plan confirmation and Terms & Conditions via email at [email protected].

  • 8#. THOMPSONS WATERSEAL 21802 VOC Wood Protector, 1.2-Gallon, Clear

    Product image of THOMPSONS WATERSEAL 21802 VOC Wood Protector, 1.2-Gallon, Clear
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    Features

  • Item Weight: 9.65 lb
  • Country of Origin: China
  • Brand name: Thompson’s Water Seal
  • Item Dimensions: 4.1″L x 6.6″W x 11.0″H

  • 9#. Thompson’s Water Seal Thompson’s WaterSeal Solid Color Wood Sealer, Natural Cedar, 1 Gallon

    Product image of Thompson's Water Seal Thompson's WaterSeal Solid Color Wood Sealer, Natural Cedar, 1 Gallon
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    Features

  • Durable Protection from Water & Sun Damage
  • Year-Round Protection in Just One Coat
  • Enhances Wood Grain
  • Guaranteed 6 Years on Decks, 15 Years on Fences and Siding
  • Meets Industry Standard ASTM D-4446 for Waterproofing Wood

  • 10#. Deck Stain Brush Applicator by Foxtrot – Fast Application for Stain, Paint and Sealers – Professional Grade – 7 Inch Brush Head

    Product image of Deck Stain Brush Applicator by Foxtrot - Fast Application for Stain, Paint and Sealers – Professional Grade – 7 Inch Brush Head
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    Features

  • FAST APPLICATION WITH PROFESSIONAL RESULTS – Deck Stain Applicator Brush Works Perfect With Both Smooth and Rough Surfaces Such As Wood and Concrete.
  • LARGE SIZE BRUSH MAKES IT EASIER TO COAT – Save Time With Less Effort When You Use the Giant 7” Brush Head. Easy To Load Up and Cover More Space, Coat More Cracks All With Leaving Behind a Great Finish.
  • 7 INCH BRUSH HEAD HAS UNIVERSAL POLE INSERT THREADS – (Pole Not Included) – Fits Most American Standard Pole Threads.
  • WORKS WITH ALL OIL/WATER BASED PAINTS, SEALERS, AND STAINS – Smooth and Rough Surfaces – Concrete, Wood and More
  • LIFETIME QUALITY, STRONG VALUE, ALL WITH PROFESSIONAL GRADE MATERIALS – 100 % Satisfaction Guaranteed With a No-Hassle Return Policy

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