10 bestCedar Deck Sealersof September 2025
112M consumers helped this year.
6% off
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

9.9
2

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

9.8
3

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

9.6
4

Ready Seal 105 Natural (Light Oak) 2 Gallon Pack

9.3
5

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

9.0
OtherUp to 14% off
9% off
6

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

8.7
7

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

8.5
8

Ready Seal Natural Cedar 2 Gallon Pack

8.2
9

Olympic Stain 56505-1 Maximum Wood Stain and Sealer, 1 Gallon, Transparent Stain, Canyon Brown
Olympic Stain

7.9
10

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

7.6

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