Top 10 Sun Deck Sealers
for August 2021

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

1
9.6
SCORE
SEAL-ONCE MARINE - 5 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

5 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 U-C Coatings
What We like

Creates Flexible Barrier that prevents warping, cupping, rot, mold & algae growth

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Product Features

  • 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
  • Superior Nanotechnology Penetrates Deep, Coating Wood Fibers at the Cellular Level

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 Specially formulated to be applied around & over fresh or salt water Superior nanotechnology penetrates deep, coating wood fibers at the cellular level

2
9.5
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.
  • 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.

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. 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. 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.

3
9.5
SCORE
SEAL-ONCE Nano+Poly Ready Mix Penetrating Wood Sealer & Stain with Polyurethane (Light 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 (Light 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

  • Non-Toxic
  • Eco-Safe

Eco-safe Non-toxic

4
9
SCORE
Seal It Green® Extreme Total Wood Cedar is A Plant Based, Non-Toxic Wood Sealer That Helps Protect All Wood Types from Water Damage, Cupping, Cracking and The Sun. Protection Lasts 15+ Years.

SEAL IT GREEN SEALANTS WOOD PROTECTION TO THE CORE XTREME Seal It Green® Extreme Total Wood Cedar is A Plant Based

Non-Toxic Wood Sealer That Helps Protect All Wood Types from Water Damage, Cupping, Cracking and The Sun. Protection Lasts 15+ Years.

by OneSource Organics, Inc.
What We like

NEW TO AMAZON! Get The Results The Pros Get. Contains No Mineral Oils, Cedar Oil Or Petroleum Oils. Covers Up To 400 Square Feet

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Product Features

  • SEALS, WATERPROOFS & PRESERVES Exotic Wood, Bamboo, IPE Pressure Treated Wood And Everything In Between
  • XTREME PROTECTION From UV, Water And Naturally Caused Damage. No More Constant Replacing Of Rotted Deck Boards. SIG Custom Stains Use High Performance Pigments To Keep Your Wood Looking Great
  • LIFETIME WOOD CORE PROTECTION. Eco Friendly Plant Based Oils & Catalyzed Copper Penetrate Deep Within The Wood To Form A Permanent Bond With Wood Fibers
  • GREEN WOOD PROTECTION From Cupping, Curling, Cracking And End Grain Checking And Splitting

Seals, waterproofs & preserves exotic wood, bamboo, ipe pressure treated wood and everything in between Xtreme protection from uv, water and naturally caused damage. no more constant replacing of rotted deck boards. sig custom stains use high performance pigments to keep your wood looking great Green wood protection from cupping, curling, cracking and end grain checking and splitting Lifetime wood core protection. eco friendly plant based oils & catalyzed copper penetrate deep within the wood to form a permanent bond with wood fibers

5
8.9
SCORE
Ready Seal 535 Exterior Stain and Sealer for Wood, 5-Gallon, Mission Brown

Ready Seal 535 Exterior Stain and Sealer for Wood

5-Gallon, Mission Brown

by Ready Seal
What We like

Subject to or will include a PaintCare recycling fee in the following states: CT, orVT. Not available in CA.

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Product Features

  • Requires no diluting or thinning prior to spray applications.
  • Requires no back brushing and will nerver leave runs, laps, or streaks.
  • 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.
  • Requires no wet-line application, the product will blend itself and can be applied in any temperature range for proper application.
  • May be applied using sprayer, roller or brush onto the woods surface.

Requires no wet-line application, the product will blend itself and can be applied in any temperature range for proper application. Requires no back brushing and will nerver leave runs, laps, or streaks. Requires no diluting or thinning prior to spray applications. May be applied using sprayer, roller or brush onto the woods surface. 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.

6
8.7
SCORE
AMTECO DIVISION OF GEMINI INDUSTRIE TWP-1511-1 Gallon California Redwood VOC Stain

AMTECO DIVISION OF GEMINI INDUSTRIE TWP-1511-1 Gallon California Redwood VOC Stain

by AMTECO DIVISION OF GEMINI INDUSTRIE
What We like

Renews and refreshes exterior wood surfaces

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Product Features

  • Superior application results
  • Smooth, even coverage

Smooth, even coverage Superior application results

7
8.7
SCORE
Liquid Rubber Color Waterproof Sealant - Indoor & Outdoor Coating - Easy to Apply - Water Based - White, 5 Gallon

L R Liquid Rubber Color Waterproof Sealant

Indoor & Outdoor Coating, Easy to Apply, Water Based, White, 5 Gallon

by Liquid Rubber USA
What We like

HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product

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Product Features

  • COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
  • PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more
  • ENVIRONMENTALLY FRIENDLY - Liquid Rubber Waterproof Sealant/Coating is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
  • FOR A BULLETPROOF SYSTEM - Bridge joints, seams, vents, gaps, protrusions. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur

Coverage - vertical surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. flat/ponding surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane Protective finish for - flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more For a bulletproof system - bridge joints, seams, vents, gaps, protrusions. with liquid rubber seam tape or liquid rubber geo-textile where possible movement may occur Environmentally friendly - liquid rubber waterproof sealant/coating is water based, containing no solvents, voc's or harmful odors. safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus

8
8.7
SCORE
SEAL-ONCE NANO Penetrating Wood Sealer & Stain - 1 Quart. Water-based, Low-VOC waterproofer for fences, siding, beams, outdoor furniture & log homes.

SEAL-ONCE NANO Penetrating Wood Sealer & Stain

1 Quart. 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

  • Prevents warping, cupping, wood rot, mold, mildew, staining, decay & will not peel like many topical sealers that only form a top-coat.
  • 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.
  • Water-based sealer with advanced penetrating nanotechnology. This premium wood sealer performs like an Oil-based product, without any noxious solvents or toxic chemicals.

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. Water-based sealer with advanced penetrating nanotechnology. this premium wood sealer performs like an oil-based product, without any noxious solvents or toxic chemicals. 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. Prevents warping, cupping, wood rot, mold, mildew, staining, decay & will not peel like many topical sealers that only form a top-coat.

9
8.7
SCORE
Armor WL550 Matte Wet Look Enhancer Sealer Concrete, Brick, Pavers, Stone, and Slate

Foundation Armor Armor WL550 Matte Wet Look Enhancer Sealer Concrete

Brick, Pavers, Stone, and Slate

by Foundation Armor
What We like

Breathable, low VOC, single coat application.

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Product Features

  • Water repellent characteristics help to reduce deterioration caused by water absorption and freeze-thaw cycles
  • Will last for up to 3-5 years before the need to reseal

Will last for up to 3-5 years before the need to reseal Water repellent characteristics help to reduce deterioration caused by water absorption and freeze-thaw cycles

10
8.6
SCORE
DEFY 5 Gallon Semi-Transparent Deck Stain for Hardwoods, Light Walnut

DEFY 5 Gallon Semi-Transparent Deck Stain for Hardwoods

Light Walnut

by SaverSystems
What We like

EASY TO MAINTAIN When its time to do a maintenance coat, theres no need to sand or strip the surface again. Simply brighten the wood with DEFY Wood Brightener and apply a single maintenance coat of DEFY Deck Stain for Hardwoods.

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Product Features

  • RESISTS FLAKING AND PEELING - Penetrates deep into wood fibers and helps eliminate surface buildup and peeling.
  • EXTREMELY DURABLE, HIGH QUALITY RESINS DEFY Deck Stain for Hardwoods is made with the highest quality resins available that have better resistance to fading and darkening. The result is a quality wood stain that typically lasts a season or two longer than competitive products.
  • FORMULATED FOR USE ON HARDWOODS This environmentally friendly, water based deck stain is formulated with smaller resin particles that absorb easier into hard or oily wood types, including smooth cedar, redwood, mahogany, and other dense, or difficult to penetrate woods. The result is a better penetrating deck stain that lasts longer.
  • WATER-BASED, SEMI-TRANSPARENT FINISH - This environmentally friendly, low VOC deck stain protects wood surfaces from fading, graying and damage caused by UV rays. It allows the wood grain to show through with a beautiful semi-transparent, natural matte finish.

Resists flaking and peeling - penetrates deep into wood fibers and helps eliminate surface buildup and peeling. Water-based, semi-transparent finish - this environmentally friendly, low voc deck stain protects wood surfaces from fading, graying and damage caused by uv rays. it allows the wood grain to show through with a beautiful semi-transparent, natural matte finish. Formulated for use on hardwoods this environmentally friendly, water based deck stain is formulated with smaller resin particles that absorb easier into hard or oily wood types, including smooth cedar, redwood, mahogany, and other dense, or difficult to penetrate woods. the result is a better penetrating deck stain that lasts longer. Extremely durable, high quality resins defy deck stain for hardwoods is made with the highest quality resins available that have better resistance to fading and darkening. the result is a quality wood stain that typically lasts a season or two longer than competitive products.

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