10 Best Wood Deck Sealers
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.6
SCORE
STORM SYSTEM Storm Protector Penetrating Sealer & Stain Protector - Deck Protector, Fence Protector, Mahogany Stain, Redwood Stain - 291112-1 Gallon, Hickory

STORM SYSTEM Storm Protector Penetrating Sealer & Stain Protector

Deck Protector, Fence Protector, Mahogany Stain, Redwood Stain, 291112-1 Gallon, Hickory

by Storm System
What We like

Applies easily with brush, roller, or spray application. Lap-Free Application & UV Protection

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Product Features

  • Compatible with any wood species. Great for wood staining Mahogany, as a Mahogany sealer, Cedar sealer, Cedar fence sealer, Redwood, Pine wood stain, Douglas Fir, Spruce Stain, Cyress, and Pressure Treated.
  • Storm Wood Stain Protector is a semi transparent sealer that penetrates deep into the wood for added protection against Mother Nature.
  • Great for Decks, Fences, Siding, and other Wood Substrates. Can be used as a wood fence protector or any other wood substrate protector.
  • Wood deck protector - A true oil-based semi transparent stain and sealer meant to protect and highlight the natural beauty of the wood grain.

Great for decks, fences, siding, and other wood substrates. can be used as a wood fence protector or any other wood substrate protector. Compatible with any wood species. great for wood staining mahogany, as a mahogany sealer, cedar sealer, cedar fence sealer, redwood, pine wood stain, douglas fir, spruce stain, cyress, and pressure treated. Wood deck protector - a true oil-based semi transparent stain and sealer meant to protect and highlight the natural beauty of the wood grain. Storm wood stain protector is a semi transparent sealer that penetrates deep into the wood for added protection against mother nature.

2
9.5
SCORE
SEAL-ONCE Nano+Poly Ready Mix Penetrating Wood Sealer & Stain with Polyurethane (Brown) - Water-Based, Low-VOC, Waterproofing for Decks, Fences, siding & Log Homes. … (1 Gallon)…

SEAL-ONCE Nano+Poly Ready Mix Penetrating Wood Sealer & Stain with Polyurethane (Brown)

Water-Based, Low-VOC, Waterproofing for Decks, Fences, siding & Log Homes. … (1 Gallon)…

by UC COATINGS
What We like

Pre-Mixed

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Product Features

  • Eco-Safe
  • Non-Toxic

Eco-safe Non-toxic

3
9.5
SCORE
#1 Deck Wood Deck Paint and Sealer - Advanced Solid Color Deck Stain for Decks, Fences, Siding - 1 Gallon (Driftwood Gray)

SaverSystems #1 Deck Wood Deck Paint and Sealer

Advanced Solid Color Deck Stain for Decks, Fences, Siding, 1 Gallon (Driftwood Gray)

by SaverSystems
What We like

Opaque Finish Completely Hides Wood Grain & Provides Maximum Protection Against Fading & Graying Caused by Damaging UV Rays

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Product Features

  • Low Odor Stain, Water-Based Cleanup - Low VOCs (
  • Acts as Both a Stain and Sealer for Your Wood - Use Over Top of Existing, Solid Color Wood Stains (that still have good adhesion)
  • Available in 6 Beautiful, Solid Color Finishes That Dry to a Flat, Natural Looking Finish
  • For Use on all Horizontal and Vertical Wood Surfaces Including Pressure Treated Lumber, Pine, Cedar, Fir, Redwood, Mahogany, & More

For use on all horizontal and vertical wood surfaces including pressure treated lumber, pine, cedar, fir, redwood, mahogany, & more Available in 6 beautiful, solid color finishes that dry to a flat, natural looking finish Low odor stain, water-based cleanup - low vocs ( Acts as both a stain and sealer for your wood - use over top of existing, solid color wood stains (that still have good adhesion)

4
9
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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

Quest Chemicals 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

by Quest Chemicals
What We like

EASY TO USE - Mix this one gallon jug with 1-4 gallons water, depending on protection desires. Covers up to 1,000 sq ft.

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Product Features

  • PREVENTS AGAINST MOLD AND MILDEW - 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. It is also stain resistant to oil, gas, and anti-freeze.
  • 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.
  • OUR TOUGH TIMBER PROMISE: We know it works and were putting our money where our mouth is. If you dont like it, just let us know and we will provide a full refund.
  • 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.

Our tough timber promise: we know it works and were putting our money where our mouth is. if you dont like it, just let us know and we will provide a full refund. 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. 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. Prevents against mold and mildew - 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. it is also stain resistant to oil, gas, and anti-freeze.

5
8.7
SCORE
SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls.

SEAL-ONCE MARINE

1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low VOC formula for high-moisture areas to protect wood docks, decks, piers & retaining walls.

by New Image Coatings, LLC
What We like

Creates a Flexible, Breathable Barrier that Enhances, Stabilizes & Protects Wood

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Product Features

  • Performs like an Oil-Based Sealer Without any Harmful Chemicals or Side Effects
  • Superior Nanotechnology Penetrates Deep, Coating Wood Fibers at the Cellular Level
  • Specially Formulated to be Applied Around & Over Fresh or Salt Water
  • Water-based, Low VOC, Non-toxic; Safe for People, Pets, Plants & Marine Life

Performs like an oil-based sealer without any harmful chemicals or side effects Water-based, low voc, non-toxic; safe for people, pets, plants & marine life Superior nanotechnology penetrates deep, coating wood fibers at the cellular level Specially formulated to be applied around & over fresh or salt water

6
8.6
SCORE
SEAL-ONCE NANO Penetrating Wood Sealer & Stain - 1 Gallon. Water-based, Low-VOC waterproofer for fences, siding, beams, outdoor furniture & log homes.

SEAL-ONCE NANO Penetrating Wood Sealer & Stain

1 Gallon. Water-based, Low-VOC waterproofer for fences, siding, beams, outdoor furniture & log homes.

by U-C Coatings
What We like

When used as a wood stain creates a UV barrier to prevent fading. Rich color palette available in 11 different color tints. Clear formula allows wood to turn gray naturally.

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Product Features

  • Water-based sealer with advanced penetrating nanotechnology. This premium wood sealer performs like an Oil-based product, without any noxious solvents or toxic chemicals.
  • Prevents warping, cupping, wood rot, mold, mildew, staining, decay & will not peel.
  • Ultra Low-VOC wood sealer safe for people, pets, plants or marine life. Easy to apply with soap & water clean-up. Save time with wet on damp application.
  • Great investment to enhance and extend the natural life of wood. Protects against water damage for up to 10 years on vertical surfaces & 6 years on horizontal.

Water-based sealer with advanced penetrating nanotechnology. this premium wood sealer performs like an oil-based product, without any noxious solvents or toxic chemicals. Prevents warping, cupping, wood rot, mold, mildew, staining, decay & will not peel. Great investment to enhance and extend the natural life of wood. protects against water damage for up to 10 years on vertical surfaces & 6 years on horizontal. Ultra low-voc wood sealer safe for people, pets, plants or marine life. easy to apply with soap & water clean-up. save time with wet on damp application.

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7.6
SCORE
DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon

DEFY Crystal Clear Composite Deck Waterproofing Sealer

1 Gallon

by SaverSystems
What We like

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.

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Product Features

  • 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.
  • 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.
  • 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.
  • 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. 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. 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. 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.

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7.4
SCORE
Olympic Stain 79551 Maximum Wood Stain and Sealer, 1 Gallon, Semi-Transparent Stain, Cedar

Olympic Stain 79551 Maximum Wood Stain and Sealer

1 Gallon, Semi-Transparent Stain, Cedar

by PPG
What We like

Enhanced waterproofing protection to help make sure your wood is protected from cracking due to water

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9
7.4
SCORE
SEAL-ONCE EXOTIC Premium wood sealer, waterproofer & stain 1-Gallon. Enhanced formula for denser Brazilian hardwoods like Ipe, Teak & Mahagony. Water-based, ultra-low VOC, non-toxic, 11 color tints.

SEAL-ONCE EXOTIC Premium wood sealer

waterproofer & stain 1-Gallon. Enhanced formula for denser Brazilian hardwoods like Ipe, Teak & Mahagony. Water-based, ultra-low VOC, non-toxic, 11 color tints.

by New Image Coatings, LLC
What We like

One Coat Application with Clear Formula, Easy Soap & Water Clean-up

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Product Features

  • Prevents Warping, Cupping, Wood Rot, Mold, Mildew, Staining & Decay
  • Creates a UV Barrier to Prevent Fading & Will Not Peel
  • Specially Formulated for Dense Tropical Hardwoods like IPE, Teak & Mahagony
  • Water-based, Eco-friendly. Non-toxic; Will Not Harm Pets, Plants or People

Specially formulated for dense tropical hardwoods like ipe, teak & mahagony Water-based, eco-friendly. non-toxic; will not harm pets, plants or people Creates a uv barrier to prevent fading & will not peel Prevents warping, cupping, wood rot, mold, mildew, staining & decay

10
7.4
SCORE
Rain Guard Water Sealers SP-8002 Wood Sealer Concentrate - Water Repellent for Interior or Exterior Wood - 32 oz Makes 2 gallons, Invisible Clear

Rain Guard Water Sealers SP-8002 Wood Sealer Concentrate

Water Repellent for Interior or Exterior Wood, 32 oz Makes 2 gallons, Invisible Clear

by Rainguard International
What We like

Apply a flood coat with a sprayer, brush or roller, no maintenance required and safe for People, Pets and Plants

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Product Features

  • Contains advanced UV stabilizers to ensure long lasting non-yellowing performance
  • Concentrate formula - easily mixed, save money and great for the environment
  • Does not alter surface appearance, does not leave a surface film and helps prevent efflorescence

Concentrate formula - easily mixed, save money and great for the environment Does not alter surface appearance, does not leave a surface film and helps prevent efflorescence Contains advanced uv stabilizers to ensure long lasting non-yellowing performance

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