Best Deck Sealers Updated May 2025
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Best Deck Sealers
2025 Buyer's GuideUpdated May 2025
Advertiser disclosure About our rankings
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Best Deck Sealer

10.0

1

10.0

Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Clear
Works well
Color
Water repellent
Ease of application
Sealability
Stain removal
Picked by 2091 people this week!
Picked by 2091 people this week!
Picked by 2091 people this week!
Best Deck Sealer

10.0

1
Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Clear
Works well
Color
Water repellent
Ease of application
Sealability
Stain removal
Picked by 2091 people this week!
Popular

9.6

2

9.6

Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood
Color
Ease of application
Product quality
Stain quality
Water resistance
Value for money
Read Full Review
Popular

9.6

2
Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Stain and Sealer for Wood
Color
Ease of application
Product quality
Stain quality
Water resistance
Value for money
Read Full Review

9.1

3

9.1

Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Fle...
Works well
Ease of application
Leakage
Waterproof
Durability
Sealability

9.1

3
Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Fle...
Works well
Ease of application
Leakage
Waterproof
Durability
Sealability
Best Value

9.0

4

9.0

Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
Quality
Ease of application
Best Value

9.0

4
Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
Quality
Ease of application

8.8

5

8.8

Ready Seal Stain & Sealer for Wood, Outdoor Deck and Fence - All-in-One Exterior Wood Stain and Waterproofing Sealant – Easy to...
Color quality
Stain quality
Ease of application
Effectiveness
Protection
Speed

8.8

5
Ready Seal Stain & Sealer for Wood, Outdoor Deck and Fence - All-in-One Exterior Wood Stain and Waterproofing Sealant – Easy to...
Color quality
Stain quality
Ease of application
Effectiveness
Protection
Speed

8.7

6

8.7

Wet Look Natural Stone Sealer. Durable, Long-Lasting Gloss Protection. Interior and Exterior Pavers, Slate, Sandstone, Traverti...
Shine
Functionality
Ease of application
Sealer
Durability
Save 29%
Save 29%

8.7

6
Wet Look Natural Stone Sealer. Durable, Long-Lasting Gloss Protection. Interior and Exterior Pavers, Slate, Sandstone, Traverti...
Shine
Functionality
Ease of application
Sealer
Durability
Save 29%

8.6

7

8.6

DEFY Extreme Crystal Clear Outdoor Wood Stain and Sealer in One – Clear Waterproof Sealant for Wood Decks, Fences, & Siding, 1 ...
Color
Quality
Stain quality
Ease of application
Water resistance
Coverage
Save 10%
Save 10%

8.6

7
DEFY Extreme Crystal Clear Outdoor Wood Stain and Sealer in One – Clear Waterproof Sealant for Wood Decks, Fences, & Siding, 1 ...
Color
Quality
Stain quality
Ease of application
Water resistance
Coverage
Save 10%
Premium Pick

8.4

8

8.4

Armor AR350 Low Gloss Wet Look Concrete Sealer 5 Gallon - Professional Grade Color Enhancing Solvent Based Acrylic Sealer for E...
Look
Product quality
Ease of application
Water resistance
Sealer quality
Color
Premium Pick

8.4

8
Armor AR350 Low Gloss Wet Look Concrete Sealer 5 Gallon - Professional Grade Color Enhancing Solvent Based Acrylic Sealer for E...
Look
Product quality
Ease of application
Water resistance
Sealer quality
Color

8.3

9

8.3

Defy Composite Deck Waterproofing Sealer 1 Gallon
Look
Functionality
Ease of application
Sealer
Dries quickly
Durability
Save 14%
Save 14%

8.3

9
Defy Composite Deck Waterproofing Sealer 1 Gallon
Look
Functionality
Ease of application
Sealer
Dries quickly
Durability
Save 14%

8.2

10

8.2

Seal-Once Nano Penetrating Wood Sealer - Premium Waterproof Sealant - 1 Gallon Clear Wood Sealant
Ease of application
Effectiveness
Ease of cleaning
Value for money
Sealability

8.2

10
Seal-Once Nano Penetrating Wood Sealer - Premium Waterproof Sealant - 1 Gallon Clear Wood Sealant
Ease of application
Effectiveness
Ease of cleaning
Value for money
Sealability

Our Top Choice

Best Deck Sealer

10.0

1

10.0

Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Clear
Works well
Color
Water repellent
Ease of application
Sealability
Stain removal
Picked by 2091 people this week!
Picked by 2091 people this week!
Picked by 2091 people this week!
Best Deck Sealer

10.0

1
Seal-Once Marine Premium Wood Sealer - Waterproof Sealant - Wood Stain and Sealer in One - 1 Gallon & Clear
Works well
Color
Water repellent
Ease of application
Sealability
Stain removal
Picked by 2091 people this week!
Related Categories
Wood Fence SealerWood Deck StainFence StainFence Stain SealerDeck Stain and SealerWater Sealer for Wood
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Related Categories
Wood Fence SealerWood Deck StainFence StainFence Stain SealerDeck Stain and SealerWater Sealer for Wood
Related Categories
Wood Fence SealerWood Deck StainFence StainFence Stain SealerDeck Stain and SealerWater Sealer for Wood