10 Best Deck Sealers

Updated November 2024

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DEFY Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon

9.9

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

9.6

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Olympic Stain 421037 Smartguard Concentrated Multi-Surface Sealant, Clear

9.1

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Olympic Stain Waterguard Waterproofing Sealant for Decks, Fences, and Siding, Clear, 1-Gallon

8.8

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SEAL-ONCE MARINE - 1 Gallon Penetrating Wood Sealer, Waterproofer & Stain. Water-Based, Ultra-low

8.5

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KILZ L832211 Exterior Waterproofing Wood Stain, Semi-Transparent, Redwood, 1-Gallon, 1 Gallon, 4 l

8.3

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Serveon Sealants H2Seal H2100 Stone Sealer - Professional Grade for Natural Stone, Grout

Serveon Sealants

8.1

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Eco Advance EAWOD16CON 16-oz Exterior Wood Siloxane Water Repellent Liquid Concentrate, White But

7.8

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Ready Seal 512 5-Gallon Pail Natural Cedar Exterior Wood Stain and Sealer

7.4

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Ready Seal 110 1-Gallon Can Golden Pine Exterior Wood Stain and Sealer

7.1

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