10 bestCedar Deck Sealersof October 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

10.0
2

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

10.0
3

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

9.8
4

Ready Seal 105 Natural (Light Oak) 2 Gallon Pack

9.5
5

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

9.2
OtherUp to 14% off
10% off
6

Ready Seal Natural Cedar 2 Gallon Pack

8.9
7

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

8.7
8

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

8.4
9

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

8.1
10

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

7.8

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