9 bestCedar Deck Sealersof June 2025
112M consumers helped this year.
1

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

9.7
2

Marine Seal Wood Dock Stain & Sealer, Semi-Transparent Stain for Marinas, Boat Docks, & Piers, (Cedar Tone, 2.5 Gallon)
DEFY

9.4
3

Ready Seal 100 Clear, 1-Gallon Exterior Wood Stain and Sealer, 1 gallon (Packaging may vary)
Ready Seal

9.1
4

Thompson's WaterSeal Solid Color Wood Sealer, Natural Cedar, 1 Gallon
Thompson's

8.8
5

#1 Deck Premium Wood Fence Stain and Sealer - Semi-Transparent Fence Sealer - Cedar, 2.5 Gallon
SaverSystems

8.6
6

Thompson’s WaterSeal Transparent Waterproofing Wood Stain and Sealer, Natural Cedar, 1 Gallon
Thompson's Water Seal

8.3
7

Storm Protector Penetrating Sealer & Stain Protector - Deck Protector, Fence Protector, Mahogany Stain, Redwood Stain, 1 Gallon (Sienna)
Storm System

8.0
8

1 gal Ready Seal 145 Burnt Hickory Ready Seal Exterior Stain and Sealer For Wood
Ready Seal

7.7
9

Storm Stain Protector - Hickory, 1 Gallon, Protects Outdoor Wood from Water & UV Rays, Siding, Fence & Deck Stain and Sealer
Storm System

7.4

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