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10 bestWaterproof Sealer For Decksof February 2025

112M consumers helped this year.

1

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

10.0

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2

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

Liquid Rubber

10.0

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3

Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 1 Gallon
Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 1 Gallon

Liquid Rubber

9.9

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4

Liquid Rubber MetalSafe Sealant - Metal Roof Waterproof Membrane Coating and Corrosion Protection, Solar Resistant, Indoor and Outdoor Use, Easy to Apply, 5 Gallon, Black
Liquid Rubber MetalSafe Sealant - Metal Roof Waterproof Membrane Coating and Corrosion Protection, Solar Resistant, Indoor and Outdoor Use, Easy to Apply, 5 Gallon, Black

Liquid Rubber

9.8

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5

Liquid Rubber Multi-Purpose Primer - Use on Concrete and Wood, Water-Based Non-Toxic and Fast Drying, Easy to Apply, 1 Gallon
Liquid Rubber Multi-Purpose Primer - Use on Concrete and Wood, Water-Based Non-Toxic and Fast Drying, Easy to Apply, 1 Gallon

Liquid Rubber

9.7

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Related productsUp to 29% off

Deck Stain Brush Applicator by Magimate - Thick Soft Large Paint Brush Head Threaded for Extension to Apply Stain Sealers on Wood Deck Floor Fence Walls - 7 Inch Wide

Deck Stain Brush Applicator by Magimate - Thick Soft Large Paint Brush Head Threaded for Extension to Apply Stain Sealers on Wood Deck Floor Fence Walls - 7 Inch Wide

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Premium Wood Finish for Outdoor, Water-Based in Gloss Clear, 946 mL

Premium Wood Finish for Outdoor, Water-Based in Gloss Clear, 946 mL

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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.

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DEFY Composite Deck Sealer and Composite Deck Restorer - Premium Waterproof Sealant for Weathered Composite Wood, Transparent Waterproof Coating, 1 Gallon

DEFY Composite Deck Sealer and Composite Deck Restorer - Premium Waterproof Sealant for Weathered Composite Wood, Transparent Waterproof Coating, 1 Gallon

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6

Concrete Sealer Clear Penetrating Waterproofing Spray, The Best Sealant to Seal Your Driveway, Cement Patio Pavers, Brick, Stone Or Any Outdoor Hard Surface.
Concrete Sealer Clear Penetrating Waterproofing Spray, The Best Sealant to Seal Your Driveway, Cement Patio Pavers, Brick, Stone Or Any Outdoor Hard Surface.

Black Diamond Stoneworks

9.5

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7

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

Liquid Rubber

9.4

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8

Flex Seal Liquid - Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating Great for Roofs, Cracks, Gutters, Concrete, Basements, Foundations, WHITE, 32 oz (945 mL)
Flex Seal Liquid - Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating Great for Roofs, Cracks, Gutters, Concrete, Basements, Foundations, WHITE, 32 oz (945 mL)

Flex Seal Liquid

9.1

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9

Magimate Deck Stain Brushes for Wood, Walls, Furniture, Shed and Fence, Block Large and Thick Bristle Paint Brush, 3-inch, 4-inch and 6-inch, Pack of 3
Magimate Deck Stain Brushes for Wood, Walls, Furniture, Shed and Fence, Block Large and Thick Bristle Paint Brush, 3-inch, 4-inch and 6-inch, Pack of 3

Magimate

8.9

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8% off

10

Eco Advance EACON128PD 1 Gallon Concrete/Masonry Siloxane Waterproofer-Ready to Use
Eco Advance EACON128PD 1 Gallon Concrete/Masonry Siloxane Waterproofer-Ready to Use

Eco Advance

8.7

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