Top 5 Best Deck Sealer: Editor Recommended

The 10 Best Deck Sealer Reviews:

1. Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain

Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain

Ready Seal stain enhances the natural beauty of the wood allowing the texture and grain of the wood to remain visible. This stain is an oil-based, semi transparent stain and sealer in one, suitable for all your exterior wood projects. It is a unique formula that penetrates deeply to protect and preserve wood from the elements such as mold, mildew and damaging UV rays.

Ready Seal stain enhances the natural beauty of the wood allowing the texture and grain of the wood to remain visible. This stain is an oil-based, semi transparent stain and sealer in one, suitable for all your exterior wood projects. It is a unique formula that penetrates deeply to protect and preserve wood from the elements such as mold, mildew and damaging UV rays.

Highlighted 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

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2. SEAL-ONCE MARINE – 1 Gallon Penetrating Wood Sealer

SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer

SEAL-ONCE has been leading the innovation in the use of nanotechnology to create long-lasting, Eco-safe wood sealers, waterproofing & tinted wood stains since 2005. This exclusive MARINE formula is made for use on wood in high-moisture environments near ponds, lakes, rivers & oceans.

MARINE provides superior, long-lasting protection against water damage & decay in these locations. It is a great investment to enhance & extend the useful life of boat docks, piers, retaining walls, wood decks and outdoor furniture.

Highlighted Features:

  • Water-based, Low VOC, Non-toxic; Safe for People, Pets & Plants
  • Product Dimensions ‏ : ‎ 12 x 12 x 12 inches; 9.02 Pounds
  • Item model number ‏ : ‎ 7614
  • Date First Available ‏ : ‎ August 23, 2013
  • Manufacturer ‏ : ‎ New Image Coatings, LLC

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3. DEFY Crystal Clear Composite Deck Waterproofing Sealer

DEFY Crystal Clear Composite Deck Waterproofing Sealer

SaverSystems has manufactured premium quality, water repellents and protective coatings for over 30 years. We make coatings for a variety of surfaces including wood, concrete, masonry. In addition to the DEFY brand, Saver Systems also manufactures Chimney, Masonry Saver, & Chimney Saver branded products.

All of our products are manufactured in our production facilities located in Richmond, Indiana. Every product is produced under strict quality standards and formulated with the highest quality raw materials available. Our innovative solutions and coatings have stood the test of time, and are trusted by industry professionals and homeowners alike.

Highlighted Features:

  • 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.
  • It’s like sunscreen for your wood. Tiny zinc particles dispersed throughout the stain reflect damaging UV rays, preventing premature graying and color loss.
  • 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.
  • 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.
  • When it’s time to do a maintenance coat, there’s no need to strip the surface. Make sure the surface is clean, then apply a single maintenance coat of DEFY Composite Waterproofing Sealer.

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4. THOMPSONS WATERSEAL 21802 VOC Wood Protector

THOMPSONS WATERSEAL 21802 VOC Wood Protector

1. 2 gallon, VOC clear wood protector, VOC Compliant, bonus container, for members in VOC restricted areas.

Highlighted 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

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5. SEAL-ONCE Nano+Poly Penetrating Wood Sealer

SEAL-ONCE Nano+Poly Penetrating Wood Sealer

SEAL-ONCE has been leading the innovation in the use of nanotechnology to create long-lasting, non-toxic wood sealers & tinted wood stains since 2005. Our New & Improved NANO+POLY Penetrating Wood Sealer provides superior protection against water damage, mold, decay and eliminates warping & cupping.

Unlike most top-coat sealers, NANO+POLY deeply penetrates the surface of wood, using proprietary nanotechnology to form a flexible breathable barrier, that coats the wood fibers at the cellular level.

This water-based wood protector combines proprietary nanotechnology with the strength of polyurethane to provide 360° of protection. It is warranted to protect against water accumulation for up to 10 years on vertical surfaces & 6 years on horizontal.

Highlighted Features:

  • eliminate line
  • When used as a wood stain creates a UV barrier to prevent fading. Rich color palette available in 9 different color tints. Clear formula allows wood to turn gray naturally

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6. Eco Advance Wood Siloxane Waterproofer Concentrate

Eco Advance Wood Siloxane Waterproofer Concentrate

16 ounce concentrate makes 1 gallon of commercial-grade water Repellent when mixed with clean water.  this easy-to-use spray-on formula provides long-lasting protection for your exterior wood projects including:  decking, wood fence, gondolas/pergolas, plywood, wood siding, wood shingles, etc.

This product differs from most water repellents because of its vapor transmission abilities which allow for long-term product and substrate performance.  this allows substrates to still cure and prevents moisture from being trapped which can lead to a rapid degradation of the substrate. .

Highlighted Features:

  • Liquid concentrate formula makes 1 gallon of commercial grade water proofer
  • 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

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7. Seal-Once Marine 5 Gallon

Seal-Once Marine 5 Gallon

MARINE allows wood to age naturally, and can be used to preserve old or new wood, extending its natural life. It is non-film forming and will not alter the natural beauty of the wood. It will not harm people, pets or plants & can be applied around or over open water, without harming marine life.

MARINE can also be used as a wood stain and is available in 9 color tints that can be added to the clear formula to enhance the natural grain of wood. The tinted wood stains provide additional UV protection from harmful UV sunlight. MARINE preserves the integrity of the wood by protecting against the elements.

Highlighted Features:

  • Special formulation for wood docks & decks near open water
  • Extends useful life of boat docks, pool decks & resists salt water spray
  • Non-film forming – will not cause surface to become slippery
  • Approximate coverage: 250-350 sq. ft./gallon per coat. Based on surface porosity

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8. Ready Seal 500 Clear, 5-Gallon Exterior Wood Stain

Ready Seal 500 Clear, 5-Gallon Exterior Wood Stain

Ready Seal wood stain and sealer products provide a quality coating and professional grade sealant for exterior wood projects such as fencing, decking, siding, gazebos and patio covers. The oil-based, semi transparent stain is available in range of colors and is especially formulated to ensure ease of application, and minimizes maintenance by providing UV blocking, water-proofing and mildew resistance properties.

Highlighted Features:

  • Requires no primer
  • May be applied using sprayer, roller or brush
  • Requires no back brushing or wet-line application
  • Can be applied in any temperature range

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9. Valspar/Cabot 210211 140.0002101.007 Clear Wood Protector

Valspar/Cabot 210211 140.0002101.007 Clear Wood Protector

This item is a Cabot Clear Wood Protector GAL. Purpose of use for Painting Supplies, household-wood-stains. This product is manufactured in United States.

Highlighted Features:

  • Dual Action UV protection
  • Deep Penetrating waterproofer
  • Mildew & Algae resistant coating
  • Also suitable for stone, masonry, brick and concrete

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10. Liquid Rubber Cool Foot Deck

Liquid Rubber Cool Foot Deck

Established in the early 2000’s, Liquid Rubber believes everyone should have a choice to do their own projects with high quality, nature-friendly products and all while saving money.

We provide a wide range of water based, VOC (volatile organic compounds) and solvent free products that cure to provide a seamless, fully adhered flexible membrane which prevents water ingress and resists damage from water, UV, salt, thermal cycling and harmful chemicals. Available for Commercial, Industrial and Residential markets.

Highlighted Features:

  • Our Deck and Dock Coating has excellent solar reflectivity and UV stability; reduces heat transfer by up to 35% compared to regular paint
  • Wood, concrete, decks, docks, walls, fences and more for a seamless membrane!
  • Use a brush, roller, or paint sprayer for a seamless and fully adhered membrane. Designed as a stand-alone coating but can also be used with Liquid Rubber Seam Tape
  • Liquid Rubber Deck and Dock Coating is water based, non-flammable, and non-toxic, containing no solvents or VOC’s. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
  • Apply a minimum final thickness of 1 gallon/40 square feet (3.7 sq m). This should require 3-4 heavy coats. Heavy traffic areas require 1 gallon/30 square feet (2.8 sq m)

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