Best Water Sealer For Decks

Peter | 13-12-2023

With so many Best Water Sealer For Decks brands on the market – from prominent names like Thompson’s Water Seal,Eco Advance,DEFY to smaller manufacturers – making the right choice can feel overwhelming. But we’re here to help simplify your search for the best product.

We extensively tested and evaluated dozens of top-rated Best Water Sealer For Decks across various price points, spending over 100 hours comparing the contenders side-by-side. Based on our in-depth first-hand research, we compiled this list of stand-out Best Water Sealer For Decks to consider. Our top recommendation is Thompson’s Water Seal Best Water Sealer For Decks for its uncompromising quality and performance.

Below you’ll discover more of our favorite Best Water Sealer For Decks picks. And be sure to consult our buying guide for expert insights on selecting the ideal product for your individual needs and budget. With us guiding your decision, you can shop confidently knowing you’ve chosen an exceptional Best Water Sealer For Decks you’ll truly love.

Editor's Choice
Thompsons Water Seal 24101 Clear Multi-Surface Waterproofer, 1-Gallon
Thompsons Water Seal 24101 Clear Multi-Surface Waterproofer, 1-Gallon
Premium Pick
Storm Stain Protector - Cedartone, 1 Gallon, Protects Outdoor Wood from Water & UV Rays, Siding,
Storm Stain Protector - Cedartone, 1 Gallon, Protects Outdoor Wood from Water & UV Rays, Siding,
Budget Pick
Eco Advance Wood Siloxane Waterproofer - 1 Gallon
Eco Advance Wood Siloxane Waterproofer - 1 Gallon

Top 10 Best Water Sealer For Decks

We researched and compared the top products in the Best Water Sealer For Decks category to provide you with these recommendations.

1. Thompsons Water Seal 24101 Clear Multi-Surface Waterproofer, 1-Gallon

Thompsons Water Seal 24101 Clear Multi-Surface Waterproofer, 1-Gallon
9.8

Thompson's Water Seal

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  • California formulation
  • Waterproofer product
  • Use on decks, fences, brick patios, concrete driveways and exterior surfaces
  • Prevents water damage
  • Allows wood to gray naturally

2. Eco Advance Wood Siloxane Waterproofer - 1 Gallon

Eco Advance Wood Siloxane Waterproofer - 1 Gallon
9.5

Eco Advance

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  • 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

3. Thompsons Water Seal 24111 1.2-Gallon Clear Low VOC Water Sealer for Exterior Use

Thompsons Water Seal 24111 1.2-Gallon Clear Low VOC Water Sealer for Exterior Use
9.1

Thompson's Water Seal

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  • Prevents water damage
  • Beads and waterproofs a variety of surfaces
  • Works on masonry, brick, concrete, decks, fences, etc
  • Exterior use only
  • VOC compliant

4. DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon

  • WATER-BASED, CLEAR COMPOSITE DECK SEALER This water based, clear wood and deck sealer protects composite wood from the harmful effects of the sun, while adding little to no change to the natural look of your composite deck.
  • FORTIFIED WITH ZINC NANO-PARTICLE TECHNOLOGY Its like sunscreen for your wood. Tiny zinc particles dispersed throughout the stain reflect damaging UV rays, preventing premature graying and color loss.
  • EXTREMELY DURABLE, HIGH QUALITY RESINS DEFY Composite Deck Sealer is made with the highest quality resins available that have better resistance to fading and darkening. The result is a quality sealer that typically lasts a season or two longer than competitive products.
  • QUALITY THAT LASTS DEFY Extreme Composite Deck Sealer is a premium-grade, clear deck sealer that is built to last. Keep your weathered composite deck, or fence looking great for longer by using DEFY.
  • EASY TO MAINTAIN When its time to do a maintenance coat, theres no need to strip the surface. Make sure the surface is clean, then apply a single maintenance coat of DEFY Composite Waterproofing Sealer.

5. THOMPSONS WATERSEAL TH.042851-16 Semi-Transparent Waterproofing Stain, Woodland Cedar

THOMPSONS WATERSEAL TH.042851-16 Semi-Transparent Waterproofing Stain, Woodland Cedar
7.7

Thompson's Water Seal

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  • Color: Woodland Cedar
  • Semi-Transparent
  • Wood sealer and stain, all in 1
  • Prevents water damage, applies to freshly cleaned damp or dry wood
  • Use on decks and fences, outdoor furniture, exterior wood

6. Thompson'S Waterseal Wood Protector 6 Gl Low Voc

Thompson'S Waterseal Wood Protector 6 Gl Low Voc
8.3

Thompson's Water Seal

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7. RAIN GUARD PRO - Micro-Seal - Penetrating Water Repellent Protection for All Porous Wood and Masonry

RAIN GUARD PRO - Micro-Seal - Penetrating Water Repellent Protection for All Porous Wood and Masonry
8.5

Rain Guard Pro

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  • PROFESSIONAL WATER REPELLENT: Protect, restore, and extend the life of your project with RainguardPro MICRO-SEAL! Formulated to penetrate deep into the surface, MICRO-SEAL is a breathable silane/siloxane water repellent that helps inhibit efflorescence, lime, spalling, and other moisture damage. This pro-grade multisurface sealant is safe to use indoors or outdoors. It dries to an invisible stain resistant finish that won't yellow or alter surface texture or appearance.
  • LONG LASTING PROTECTION: Engineered with Micro-Lok! This proprietary ingredient ensures sealer absorption and creates a long-lasting filmless hydrophobic barrier against weathering, salt, dirt, freezing temperatures, UV light, wind-driven rain, and other damaging elements. RainguardPro MICRO-SEAL is the ideal weatherproof sealer for all porous wood and masonry surfaces including, concrete, brick, pavers, wood, stone, unglazed/unpainted tile, and color integrated or unpainted stucco.
  • PREMIXED FORMULATION: Ready to use right out of the bottle! RainguardPro MICRO-SEAL is premixed for easy and convenient application. Before use, shake bottle lightly to disperse any settled material. Perfect for small, medium, and large surfaces, one gallon of this impregnating wood and masonry waterproofer coats, seals, and protects up to 300 square feet. Try RainguardPro's concentrated and super concentrated formulations for a more cost-effective solution.
  • EASY APPLICATION: Seamlessly seal wood and masonry surfaces! Prior to applying RainguardPro MICRO-SEAL, protect anything you don't want to be sealed by moving or covering with a tarp. Prep surface by removing dirt, oil, stains, etc., and filling cracks for best results. Using a foam brush, hand-pump sprayer, or airless sprayer, apply the sealer to dry surface (coats vary per substrate) and let MICRO-SEAL coating cure. Clean up any overspray with a clean damp cloth.
  • RAIN GUARD PRO: Where innovation meets sustainability! Since 1969, Rainguard has been manufacturing architectural and industrial coatings designed to wrap the exterior of buildings and structures. RainguardPro now brings this same technology to consumers in our ready-to-use and concentrated professional formulations, providing a variety of high-performance sealers for your business. Eco-friendly, all our pro-grade waterproofing solutions are safe for the applicator, end-user, and environment.

8. Storm Stain Protector - Cedartone, 1 Gallon, Protects Outdoor Wood from Water & UV Rays, Siding,

Storm Stain Protector - Cedartone, 1 Gallon, Protects Outdoor Wood from Water & UV Rays, Siding,
9.8

Storm System

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  • STORM PROTECTOR: Storm Protector is a penetrating, semi-transparent stain and sealer that highlights the natural beauty of the wood grain while providing protection from Mother Nature.
  • PROTECT YOUR EXTERIOR WOOD SURFACES: This siding, deck and fence stain and sealer offers superior waterproofing and UV protection to help prevent color fading.
  • FOR A VARIETY OF WOOD SUBSTRATES: Storm Protector exterior wood stain and sealer can be applied to any exterior wood, including redwood, cedar, pine, douglas fir, spruce, cypress, mahogany and pressure treated lumber.
  • EASY TO APPLY: Storm Protector features a ready-to-use formula that's easy to apply. Mix thoroughly and apply to a prepared wood surface with a brush, roller, or sprayer. Packaged in a 1-gallon container.
  • PROTECTION TO WEATHER WHATEVER: From clear finishes that protect wood and highlight its natural beauty to more dramatic solid color stains, Storm Stain offers the look you want as well as the protection to weather whatever.

9. Storm Stain Protector - Golden Oak, 5 Gallons, Protects Outdoor Wood from Water & UV Rays, Siding,

Storm Stain Protector - Golden Oak, 5 Gallons, Protects Outdoor Wood from Water & UV Rays, Siding,
8.7

Strom System

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  • STORM PROTECTOR: Storm Protector is a penetrating, semi-transparent stain and sealer that highlights the natural beauty of the wood grain while providing protection from Mother Nature.
  • PROTECT YOUR EXTERIOR WOOD SURFACES: This siding, deck and fence stain and sealer offers superior waterproofing and UV protection to help prevent color fading.
  • FOR A VARIETY OF WOOD SUBSTRATES: Storm Protector exterior wood stain and sealer can be applied to any exterior wood, including redwood, cedar, pine, douglas fir, spruce, cypress, mahogany and pressure treated lumber.
  • EASY TO APPLY: Storm Protector features a ready-to-use formula that's easy to apply. Mix thoroughly and apply to a prepared wood surface with a brush, roller, or sprayer. Packaged in a 5-gallon container.
  • PROTECTION TO WEATHER WHATEVER: From clear finishes that protect wood and highlight its natural beauty to more dramatic solid color stains, Storm Stain offers the look you want as well as the protection to weather whatever.

10. Rain Guard Water Sealers - Wood Sealer - Penetrating Water Repellent Protection for All Porous Wood

Rain Guard Water Sealers - Wood Sealer - Penetrating Water Repellent Protection for All Porous Wood
8.9

Rain Guard Water Sealers

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  • PREMIUM WOOD SEALER: Protect, restore, and extend the life of your home with Rainguard Water Sealers Wood Sealer! Formulated to penetrate deep into the surface, Wood Sealer is a water-based silane/siloxane water repellent that helps inhibit moisture damage. This premium-grade water sealer for wood is safe to use indoors or outdoors. It dries to an invisible stain resistant finish that won't yellow or alter surface texture or appearance.
  • LONG LASTING PROTECTION: Engineered with Micro-Lok! This proprietary ingredient ensures sealer absorption and creates a long-lasting filmless hydrophobic barrier against weathering, salt, dirt, freezing temperatures, UV light, wind-driven rain, and other damaging elements. Rainguard Wood Sealer is the ideal weatherproof sealant for all non-treated and unpainted wood surfaces including, wooden floors, decks, walkways, outdoor furniture, and fences.
  • CONCENTRATED FORMULATION: Cost-effective, concentrated sealing solutions! Rainguard Water Sealers Wood Sealer Concentrate offers the best value and simple mixing. Pour the quart of concentrate into a 5-gallon pail and add clean water to the 2-gallon mark. Mix lightly to disperse the material. Two gallons of this impregnating wood waterproofer coats, seals, and protects up to 400 square feet. Try Rainguard Water Sealers' ready-to-use formulations for ease and convenience.
  • EASY APPLICATION: Seamlessly seal wood surfaces! Prior to applying Rainguard Wood Sealer, protect anything you don't want to be sealed by moving or covering with a tarp. Prep surface by gently removing any stains with a mild soap or Restore-N-Prep (sold separately) for best results. Using a hand-pump garden sprayer, apply at least two heavy coats of sealer to the surface, allowing it to dry to the touch between coats. Clean up any overspray with a clean damp cloth.
  • RAIN GUARD: Where innovation meets sustainability! Since 1969, Rainguard Water Sealers has been manufacturing architectural and industrial coatings designed to wrap the exterior of buildings and structures. Rainguard now brings this same technology to consumers in our ready-to-use and concentrated DIY formulations, providing a variety of high-performance sealers for your home. Eco-friendly and non-toxic, all our waterproofing solutions are safe to use around people, pets, and plants.

Peter

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