Top 10

Best Deck Sealants

of August 2022
Rank Product Rating
1
Olympic Stain Smartguard Concentrated Multi-Surface Sealant, Clear, 15oz
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Product Highlights
  • 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

$22.98 $18.99
2
Seal-Once Nano+Poly Penetrating Wood Sealer with Polyurethane - Premium Waterproof Sealant -1 Gallon & Clear
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Product Highlights
  • WATER-BASED POLYURETHANE WOOD FINISH: Our sealant provides top-notch protection against wear and tear in high traffic areas. It's odorless and ideal for use on wood siding, log homes, swing sets, outdoor furniture, wooden deck and fence, and more.
  • WOOD SEALANT: Unlike many sealers that only form a topcoat, our protector penetrates below the surface to create a long-lasting, water-resistant shield around the wood.
  • FLOOR SEALER APPLICATOR: Our premium gloss is ultra-low VOC and great for enhancing the extended life of your exterior flooring. The sealant can be safely applied around your home, landscaping, vegetation, or over any water area.
  • WATERPROOF SEALER: Ditch the oil-based sealers and choose a UV-stable coating option. Our fast-drying liquid creates a flexible, breathable barrier and provides a no-fuss, easy clean-up with soap and water, as it allows the wood to grey naturally.

$63.98
3
ToughTimber (Covers Up to 1,000 SqFt) Waterproof Deck Sealer, Wood Sealer, Cedar Roof Sealer - Great for Porous Wood As Waterproof Sealer and Water Repellent - 1 Gal Concentrate Silane/Siloxane Blend
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Product Highlights
  • TOUGH TIMBER PREMIUM WOOD SEALER - High End/Industrial Grade Wood, Roof, and Deck Sealer proving protection for years to come! Making your Deck, Wood, Cedar Roof, Cedar Shingles, and Wood Fences water repellent. ToughTimber penetrates deep within the wood for BEST protection.
  • PROTECTION - Silane/Siloxane penetrates deep into the wood reducing wood water up-take by 95% protecting it against the elements and preserves the wood for longer periods of time.
  • COVERS UP TO 1,000 SQFT (MAKES 5 GALLONS) - Same day, one coat application. Goes on cloudy and dries clear with a slight gloss sheen.
  • EASY TO USE - Mix this one gallon jug with 1-4 gallons water, depending on protection desires. Covers up to 1,000 sq ft.

$49.99
4
Liquid Rubber Textured Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Stone Gray, 1 Gallon
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Product Highlights
  • INNOVATIVE PROTECTIVE DECK COATINGS - Liquid Rubber Polyurethane Deck Coating is a high-performance polyurethane coating with a hard, durable & waterproof surface with excellent UV stability
  • INNOVATIVE PROTECTIVE DECK COATINGS - Liquid Rubber Polyurethane Deck Coating is a high-performance polyurethane coating with a hard, durable & waterproof surface with excellent UV stability
  • POLYURETHANE COATING FOR - Deck protection, on concrete or wood walkways, non-corroded metal structures, pool decks, indoor/outdoor floors, fences, baseboards, plywood surfaces, and more
  • POLYURETHANE COATING FOR - Deck & dock protection, on concrete or wood walkways, non-corroded metal structures, pool decks, indoor/outdoor floors, fences, baseboards, plywood surfaces, and more

$84.95
5
Liquid Rubber Cool Foot Deck Coating - Solar Protection Deck Paint, Non-Toxic Multi-Surface Decking Sealant, Easy to Apply, Neutral Beige, 5 Gallon
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Product Highlights
  • UV RESISTANCE - Our Deck and Dock Coating has excellent solar reflectivity and UV stability; reduces heat transfer by up to 35% compared to regular paint
  • UV RESISTANCE - Our Deck Coating has excellent solar reflectivity and UV stability; reduces heat transfer by up to 35% compared to regular paint
  • PROTECTIVE FINISH FOR - Wood, concrete, decks, walls, fences and more for a seamless membrane!
  • EASY TO APPLY - 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

$299.95
6
DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon
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Product Highlights
  • 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– It’s 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.

$53.52
7
Rain Guard Water Sealers - Wood Sealer - Penetrating Water Repellent Protection for All Porous Wood Surfaces - Water-Based Silane/Siloxane Sealant - Clear Natural Finish - Concentrate Makes 2 Gal
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Product Highlights
  • 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.

$35.99 $30.34
8
Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Neutral Beige, 1 Gallon
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Product Highlights
  • INNOVATIVE PROTECTIVE DECK COATINGS - Liquid Rubber Polyurethane Deck Coating is a high-performance polyurethane coating with a hard, durable & waterproof surface with excellent UV stability
  • POLYURETHANE COATING FOR - Deck protection, on concrete or wood walkways, non-corroded metal structures, pool decks, indoor/outdoor floors, fences, baseboards, plywood surfaces, and more
  • EASY TO APPLY - Apply using a conventional brush, roller, or single component sprayer; no mixing required
  • COVERAGE - 40 square feet per gallon, final coverage after 3-4 generous coats. 30 square feet per gallon for high traffic areas (4-5 generous coats)

$84.95
9
Serveon Sealants H2Seal Outdoor Stone Sealer with Stain Guard - Water Based Professional Grade for Natural Stone, Concrete, Unglazed Tile, Brick - Protection for Patios, Pool Decks, Driveways (1 Gal)
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Product Highlights
  • Seals and Resists Outdoor Stains: H2Seal's natural stone sealer for outdoor provides an impenetrable barrier from moisture, salt water, and oil while discouraging many common stains and preventing efflorescence. It does not change surface color. You will definitely be proud of a well-maintained facade, outdoor entertainment areas, and your outside kitchen; keeps surfaces free from greases, cooking oils, and vehicle oils.
  • All Purpose Concrete Sealer: This water-based sealer is oil resistant, designed to keep surfaces looking new; it can be applied on natural stones, brick, concrete, pavers, and artificial stone. All thanks to Serveon's advanced technology formulation!
  • Convenient and Economical: Unequaled in the market H2900 outdoor stain guard sealer will save you time and money while providing powerful protection. Fast-acting, it makes a treated surface ready for foot traffic in only two hours. Above all, it provides 2 to 3 years of protection in-between applications. Unlike many other sealers, 1 gallon can yield up to 400 square feet.
  • Trouble-Free and Low Maintenance: H2900 makes cleaning much easier while keeping treated surfaces looking new and it is easy to apply. Whether your application is a patio, a driveway or an outdoor cooking area, H2900 is the perfect sealer to give you long lasting protection and peace of mind.

$67.00
10
ChemLink NovaLink SL Pool Deck Joint Sealant - Color Gray - Replacement for DECK O SEAL - 68 oz
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Product Highlights
  • Gray

$78.98