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10 bestWaterproof Deck Sealersof June 2025

112M consumers helped this year.

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CLARK'S Soapstone and Concrete Sealer - Natural Beeswax and Carnauba Wax Blend - Ideal for Countertops and Slate Surfaces - Concrete Countertop Wax - Carnauba Wax Food Grade - Large - 32 oz
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1

Liquid Rubber Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Misty Gray, 4 Gallon
Liquid Rubber Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Misty Gray, 4 Gallon

Liquid Rubber

9.8

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2

Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Stone Gray, 1 Gallon
Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Stone Gray, 1 Gallon

Liquid Rubber

9.6

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3

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 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

9.4

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25% off

4

Liquid Rubber Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 1 Gallon
Liquid Rubber Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 1 Gallon

Liquid Rubber

9.1

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5

SEAL-ONCE NANO Penetrating Wood Sealer & Stain - 1 Gallon. Water-based, Low-VOC waterproofer for fences, siding, beams, outdoor furniture & log homes.
SEAL-ONCE NANO Penetrating Wood Sealer & Stain - 1 Gallon. Water-based, Low-VOC waterproofer for fences, siding, beams, outdoor furniture & log homes.

Seal-Once

8.8

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Related products

CLARK'S Soapstone and Concrete Sealer - Natural Beeswax and Carnauba Wax Blend - Ideal for Countertops and Slate Surfaces - Concrete Countertop Wax - Carnauba Wax Food Grade - Large - 32 oz

CLARK'S Soapstone and Concrete Sealer - Natural Beeswax and Carnauba Wax Blend - Ideal for Countertops and Slate Surfaces - Concrete Countertop Wax - Carnauba Wax Food Grade - Large - 32 oz

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Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Desert Tan, 1 Gallon

Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Desert Tan, 1 Gallon

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

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

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Thompson’s WaterSeal Solid Color Waterproofing Wood Stain and Sealer, Sedona Red, 1 Gallon

Thompson’s WaterSeal Solid Color Waterproofing Wood Stain and Sealer, Sedona Red, 1 Gallon

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10% off

6

Composite Deck Sealer by DEFY Wood Stain
Composite Deck Sealer by DEFY Wood Stain

DEFY

8.5

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7

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

Thompson's

8.2

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8

Thompson's TH.024101-16 Waterseal Clear Multi-Surface Waterproofer, gallon
Thompson's TH.024101-16 Waterseal Clear Multi-Surface Waterproofer, gallon

Thompson's

7.9

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9

Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Chestnut Brown, 1 Gallon
Thompson’s WaterSeal Semi-Transparent Waterproofing Wood Stain and Sealer, Chestnut Brown, 1 Gallon

Thompson's

7.6

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10

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

Ready Seal

7.3

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