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Best Basement Waterproofing Sealers

Name: Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon
Brand: Liquid Rubber
Price: 69.95 USD
Availability: InStock

From leading brands and best sellers available on the web.

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BEEST

14%OFF

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Liquid Rubber

8%OFF

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - 5 Gallon Sealer, 10.2 oz Caulk 4 Pack, Geo Textile 4"x160

10.0

score

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Thompson's Water Seal

10%OFF

Thompson’s WaterSeal Multi-Surface Waterproofer Stain, Clear, 1 Gallon

10.0

score

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AMES

Ames Maximum Stretch - Waterproof Sealant Membrane - Perfect For Roofing, Repairs, Concrete, EPDM & Wood - Liquid Rubber Sealer - Up To 650% Elastic - Made in USA, White, 4.6 Gallon (Pack of 1)

9.9

score

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Wadities

Liquid Waterproof Sealant Clear - 5 Gallon, Wadities Wall Bathroom Roof Water-Based Waterproof Coating, Invisible Repairing Leak Patch & Seal Liquid Rubber Sealant for Indoor and Outdoor

9.8

score

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Liquid Rubber

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black, 1 Gallon

9.7

score

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RadonSeal

RadonSeal Standard Concrete Sealer, Deep-Penetrating Clear Protectant, 5-Gallon – Indoor & Outdoor Waterproofing for Poured Surfaces, Basement Floors, Driveways & Slabs – Radon Gas Mitigation

9.4

score

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KILZ

KILZ Basement and Masonry Waterproofing Paint, Interior/Exterior, White, 1 Gallon

9.2

score

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Drylok

Drylok Masonry Waterproof Clear 5g (DRYLOK - 20915)

RadonSeal

RadonSeal Plus Deep Penetrating Concrete Sealer for Basement Walls and Floors, Seals Concrete Against Water, Vapor and Radon Gas, (2.5 Gallons)

8.7

score

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Buying Guide for the Best Basement Waterproofing Sealers

Choosing the right basement waterproofing sealer is crucial to protect your home from water damage, mold, and mildew. The right sealer will help keep your basement dry and safe, ensuring the longevity of your property. When selecting a sealer, it's important to understand the different types available and their key specifications. This will help you make an informed decision based on your specific needs and the condition of your basement.

Type of SealerThere are several types of basement waterproofing sealers, including penetrating sealers, acrylic sealers, and epoxy sealers. Penetrating sealers soak into the concrete and create a barrier within the material, making them ideal for long-term protection. Acrylic sealers form a protective layer on the surface and are good for preventing surface water damage. Epoxy sealers provide a strong, durable coating that is resistant to chemicals and abrasion. Choose a sealer based on the level of protection you need and the specific conditions of your basement.

Application MethodThe application method of a sealer can vary, including brush, roller, or spray. Brush and roller applications are typically more labor-intensive but can provide a thicker, more even coat. Spray applications are quicker and can cover large areas efficiently but may require more coats for adequate protection. Consider the size of your basement and your comfort level with each method when choosing a sealer.

Drying TimeDrying time refers to how long it takes for the sealer to cure and become effective. This can range from a few hours to several days. Faster drying times are convenient if you need to use the basement soon after application, but longer drying times may indicate a more durable and thorough seal. Assess your timeline and how soon you need the basement to be functional when considering drying time.

Coverage AreaCoverage area indicates how much surface area a given amount of sealer can cover. This is usually measured in square feet per gallon. A higher coverage area means you will need less product to cover your basement, which can be more cost-effective. However, ensure that the sealer provides adequate protection even if it covers a larger area. Measure your basement and calculate the total area to determine how much sealer you will need.

DurabilityDurability refers to how long the sealer will last and how well it will withstand wear and tear over time. More durable sealers will provide longer-lasting protection and may be more resistant to chemicals, abrasion, and UV light. Consider the conditions in your basement, such as foot traffic, potential chemical exposure, and sunlight, to choose a sealer with the appropriate level of durability.

Water ResistanceWater resistance is the sealer's ability to prevent water from penetrating the basement walls and floor. Higher water resistance means better protection against leaks and moisture. Look for sealers with high water resistance ratings if your basement is prone to flooding or high humidity. Assess the water issues in your basement to determine the level of water resistance you need.

Mold and Mildew ResistanceMold and mildew resistance is an important feature for basement sealers, as these areas are often damp and prone to fungal growth. Sealers with mold and mildew resistance will help keep your basement healthier and reduce the risk of respiratory issues. If your basement has a history of mold problems or is in a humid climate, prioritize sealers with strong mold and mildew resistance.

Best Basement Waterproofing Sealers

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Buying Guide for the Best Basement Waterproofing Sealers