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10 bestBasement Waterproofingsof December 2025

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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

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

CLARK'S

1

Flex Seal Liquid MAX, Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating for Roofs, Cracks, Gutters, Concrete, Basement, Foundation, WHITE, 2.5 gal (9.46 L)

Flex Seal Liquid MAX, Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating for Roofs, Cracks, Gutters, Concrete, Basement, Foundation, WHITE, 2.5 gal (9.46 L)

Flex Seal Liquid MAX, Waterproof Rubber Seal, Patch Leaks, Repair Multi-Surface Indoor & Outdoor; Thick Coating for Roofs, Cracks, Gutters, Concrete, Basement, Foundation, WHITE, 2.5 gal (9.46 L)

Flex Seal Liquid

9.9

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2

Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon

Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon

Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon

Liquid Rubber

9.8

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3

Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Misty Grey, 4 Gallon, 15.1 Liter

Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Misty Grey, 4 Gallon, 15.1 Liter

Liquid Rubber Smooth Polyurethane Deck Coating - Solar Protection Deck Sealant, Non-Toxic Multi-Surface Waterproofing Membrane, Easy to Apply, Misty Grey, 4 Gallon, 15.1 Liter

Liquid Rubber

9.6

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4

RadonSeal Plus Deep-Penetrating Concrete Sealer (5-Gallon) - Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas

RadonSeal Plus Deep-Penetrating Concrete Sealer (5-Gallon) - Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas

RadonSeal Plus Deep-Penetrating Concrete Sealer (5-Gallon) - Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas

RadonSeal

9.3

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5

RadonSeal® Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent!

RadonSeal® Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent!

RadonSeal® Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent!

RadonSeal

9.1

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OtherRelated 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

Liquid Waterproof Sealant 70oz Clear, TUFINEIN Transparent Waterproof Coating Water-Based Invisible Waterproof Agent Indoor & Outdoor Anti Leakage Agent

Liquid Waterproof Sealant 70oz Clear, TUFINEIN Transparent Waterproof Coating Water-Based Invisible Waterproof Agent Indoor & Outdoor Anti Leakage Agent

SIKA - Foundation repair - SikaFix Kit - Concrete grey - Injection kit to repair and waterproof cracked foundations - 3-part mortar, injection Ts and grout

SIKA - Foundation repair - SikaFix Kit - Concrete grey - Injection kit to repair and waterproof cracked foundations - 3-part mortar, injection Ts and grout

Rexoseal 1000 Waterproofing Sealant - Multi-Purpose Indoor & Outdoor Coating Sealant - Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal - Black, 18.9 litre

Rexoseal 1000 Waterproofing Sealant - Multi-Purpose Indoor & Outdoor Coating Sealant - Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal - Black, 18.9 litre

6

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

Liquid Rubber

8.9

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7

Lithi-Tek 9500 Ultra Concentrate - 1 Gallon (Makes 5 GALLONS) Penetrating Concrete Sealer, Waterproofer Plus Densifier

Lithi-Tek 9500 Ultra Concentrate - 1 Gallon (Makes 5 GALLONS) Penetrating Concrete Sealer, Waterproofer Plus Densifier

Lithi-Tek 9500 Ultra Concentrate - 1 Gallon (Makes 5 GALLONS) Penetrating Concrete Sealer, Waterproofer Plus Densifier

Ghostshield

8.6

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8

Flex Seal – Stop Leaks Fast! Rubberized Waterproof Coating Spray, Ideal for Roofs, Holes, Cracks, DIY Projects, Automotive Fixes, Indoor & Outdoor Repairs, and More – Clear, 14 oz. (397 g) – 2 Pack

Flex Seal – Stop Leaks Fast! Rubberized Waterproof Coating Spray, Ideal for Roofs, Holes, Cracks, DIY Projects, Automotive Fixes, Indoor & Outdoor Repairs, and More – Clear, 14 oz. (397 g) – 2 Pack

Flex Seal – Stop Leaks Fast! Rubberized Waterproof Coating Spray, Ideal for Roofs, Holes, Cracks, DIY Projects, Automotive Fixes, Indoor & Outdoor Repairs, and More – Clear, 14 oz. (397 g) – 2 Pack

Flex Seal

8.3

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9

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

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

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

Liquid Rubber

8.1

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10

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

Liquid Rubber

7.8

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