10 Best Liquid Rubber Concrete Foundation of 2025

Tested and Reviewed: Top 10 Liquid Rubber Concrete Foundation deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

Save 21%

AMES

Ames Block & Wall™ Liquid Rubber Waterproofer Multi-Purpose Coating & Sealant - 1 Gallon - Perfect to Use As Concrete Sealer and Waterproofer for Basements and Foundations - Made in The USA, White

21% OffFree Shipping

Editor's bottom line:

“This liquid rubber concrete foundation is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Item Weight: 9.25 lb
Country of Origin: China
Color: White
Brand name: Ames

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Picked by 292 people today

9.5

Save 18%

Liquid Rubber

Liquid Rubber Color Waterproof Sealant - Elastomeric Roofing Coating for Flat or Slope Roofs & Foundations - DIY Paint & Leak Repair Membrane Compatible with Metal & Concrete - Beige, 5 Gallon

18% OffFree Shipping

Main Highlights

WATERPROOF LIQUID RUBBER SEALANT FOR MULTIPLE SURFACES - Seal and protect metal roofs, flat roofs, low slope roofs, gutters, concrete repair, foundations, basement walls, planter boxes & more! Creates a flexible, seamless waterproof membrane that stops leaks and water damage
PROFESSIONAL QUALITY ROOF SEALANT WATERPROOF COATING - This high-performance elastomeric roof coating is the perfect alternative to traditional roofing tar, roof shingles, or house foundation repair. One 5-gallon bucket covers 150-250 sq. ft. (depending on surface), creating a durable rubber cement-like barrier that's 5X more flexible
QUICK & EASY APPLICATION PROCESS - Apply like paint using a brush, roller or sprayer to clean, dry surfaces. No specialized equipment needed! Simply prep surface, detail work areas, 2-3 heavy coats for vertical & sloped surfaces like metal roofs or 3-4 heavy coats for flat roofs. Complete your waterproofing project in just 48 hours. Do not apply in wet conditions, when rain is forecast within 24 hours, or when temperatures fall below 50°F/10°C
WATER-BASED FORMULA WITH NO HARSH CHEMICALS - Unlike competing concrete sealers or liquid waterproofing products, our water-based sealant contains no harmful odors. Perfect for indoor and outdoor use including basement foundation repair, making it the ideal sealant for your waterproofing needs. Product can be tacky after curing - not suitable for walking surfaces such as walkways, patios or decks
SUPERIOR LONG-LASTING PERFORMANCE - With 900% elongation, our roof sealant won't crack or peel like other alternatives. UV resistant and solar reflective, it lasts 4X longer without degrading. Works in temperatures from -40°F to 150°F for durable protection in all climates. With over 1 million gallons sold in our 20 years of experience
CREATE A BULLETPROOF WATERPROOFING SYSTEM - Bridge joints, seams, vents, gaps, protrusions with Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur. For maximum protection, use Liquid Rubber Multi-Purpose Primer to promote adhesion and reduce peeling and flaking before applying this waterproof sealant. Complete your project with our full system of liquid rubber products

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9.5

Tapel

Tapel Liquid Rubber Waterproof Sealant - 3X Stronger - Black 35oz - Professional Grade Roof & Concrete Coating, Indoor/Outdoor Leak Repair, Crack Filler, Weather-Resistant Protection

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Main Highlights

MULTI-SURFACE ARMOR PROTECTION: Tapel's Black liquid rubber forms an impenetrable waterproof membrane for roofs, concrete foundations, metal gutters, wooden sheds, PVC pipes, and more. Bonds instantly to stop active leaks while preventing future cracks even in -40°F to 300°F extremes.
DIY-FRIENDLY INSTANT SEAL TECHNOLOGY: No mixing, no tools apply like thick paint with brush/roller/pour method. Self-leveling formula fills hairline cracks (<1mm) automatically. 90% cure in 2hrs (50°F+), walkable surface in 24hrs.
360° WEATHER WARRIOR DEFENSE: UV-resistant elastomeric coating flexes with seasonal expansion/contraction. Passes 1000hr salt spray test, withstands torrential rains, ice dams, and pool chemical splashes. 10-year waterproof guarantee.
ECO-SAFE & HIGH-YIELD COVERAGE: Low-VOC water-based formula safe for fish ponds and greenhouse use. 35oz covers 21 sq ft (1 coat) 30% more efficient than asphalt-based products. Remains pliable for 5+ years without cracking.
Application Tip: Extended periods of rain and cool weather can delay the curing process of waterproof adhesives. It's advisable to apply the waterproof glue during clear, sunny conditions and in an environment that remains relatively dry both before and after application. For optimal performance, the liquid rubber sealant should be applied in temperatures of 10C/50F or above, including the temperatures overnight.

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Best Value

9.2

Save 27%

AMES

Ames Research Laboratories AMES BMX1WRG 1 Gallon Blue Max, White Waterproofer, Regular Use in Interior & Below-Grade Exterior-Concrete Sealer, House Paint and More. Liquid Rubber

27% OffFree Shipping

Main Highlights

Ames Blue Max White is a strong and highly adhesive elastomeric liquid rubber waterproofer with 900% elongation that resists cracking and peeling. Blue Max White is ideal for waterproofing below-grade and insulated concrete foundations, basements, and underlayment.
Blue Max can be used on concrete, wood, metal & more. Brush, roll or spray on vertical or horizontal surfaces.
Blue Max is an elastic membrane that expands & contracts 900% with surface to resist cracking & peeling. Blue Max is a special blend of adhesive, high strength elastomeric liquid rubber for waterproofing basements, wood, metal and more.
Blue Max is non-toxic, eco-friendly & VOC compliant in all 50 states. Made in the USA. Ames is Woman Owned and Veteran Founded.
1 Gallon - New White Ames Blue Max Liquid Rubber Waterproofer is packaged in a 1 gallon pail. Allow 24 hours between coats.

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9.0

Liquid Rubber

Liquid Rubber Caulk - Hybrid Adhesive and Protective Sealant, White, 4 Pack

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Main Highlights

MULTI-PURPOSE CAULK: If you're looking for a DIY tool, our adhesive caulk is exactly what you need. Use this caulking to seal joints on a roof, water seal and more. We believe you can do any job yourself, and starting with our adhesive caulk makes it even easier.
DUAL-ACTING FORMULA: Because this protective sealant acts as a waterproof adhesive and caulk, you can use it to fill small voids and cracks, or use it as a construction adhesive
COVERAGE: With one tube of our caulking tape, you'll get approximately 24 linear feet at ¼ diameter bead of usable white rubber adhesive. Plus, the protective sealant's non-slumping formula means you can use it overhead, too.
PAINTABLE SEALANT: The caulking adhesive is ready to paint after 24 hours. It is also UV resistant if it is not painted over
SEAL IT UP WITH LIQUID RUBBER: Liquid Rubber manufactures a wide range of products for waterproofing, flat roofs, metal roofs, foundations, RV roofs, ponds, planter boxes, corrosion protection, concrete cleaning, and much more. Trust us to get your household job done.

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8.8

Save 5%

Liquid Rubber

Liquid Rubber Foundation and Basement Sealant & Multi-Purpose Primer Kit - 1g Foundation Sealant & 1q Multi-Purpose Primer

5% Off

Main Highlights

FOUNDATION KIT INCLUDES: Basement and Foundation Repair Sealant 1g & Multi-Purpose Primer 1q
SUPERIOR FLEXIBLE SEALANT: Liquid Rubber's foundation sealer creates a permanent waterproof membrane for basement waterproofing, foundation leak repair, shower liners, and planter boxes. This professional-grade sealer delivers unmatched protection with 900% elongation, preventing leaks and water damage more effectively than traditional sealants
VERSATILE CONCRETE CRACK FILLER: The professional-grade rubber coating and rubber waterproofing technology maintains flexibility in all temperatures, preventing future cracks and damage. This liquid rubber waterproof sealant provides superior adhesion to concrete, masonry, wood, metal, and foundation surfaces, making it an ideal choice for your DIY projects
MAXIMUM COVERAGE & PERFORMANCE: This high-build basement sealer goes on like waterproof paint - Interior basement surfaces: 50 sq ft/gallon (requires: 2-3 coats), Exterior concrete sealer outdoor surfaces: 20 sq ft/gallon (requires: 3-4 coats). Apply between 50°F-90°F. For complete protection, use the rubber sealant with Liquid Rubber Geo-Textile on joints and transitions
IMPORTANT USAGE GUIDELINES: The water-based foundation sealer formula contains zero VOCs for safe indoor application. No mixing required! Apply by brush, roller, or professional sprayer as part of your basement waterproofing system. Not suitable for walking surfaces due to tackiness when cured

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8.6

Save 5%

Liquid Rubber

Liquid Rubber Basement & Foundation Sealant - Shower Liner Bundle - Includes 1g Foundation Sealant & Geo-Textile 4inx160ft

5% Off

Main Highlights

FOUNDATION & SHOWER LINER BUNDLE INCLUDES - Liquid Rubber Basement & Foundation Sealant 1g & Geo-Textile 4inx160ft
SUPERIOR FLEXIBLE SEALANT: Liquid Rubber's foundation sealer creates a permanent waterproof membrane for basement waterproofing, foundation leak repair, shower liners, and planter boxes. This professional-grade sealer delivers unmatched protection with 900% elongation, preventing leaks and water damage more effectively than traditional sealants
VERSATILE CONCRETE CRACK FILLER: The professional-grade rubber coating and rubber waterproofing technology maintains flexibility in all temperatures, preventing future cracks and damage. This liquid rubber waterproof sealant provides superior adhesion to concrete, masonry, wood, metal, and foundation surfaces, making it an ideal choice for your DIY projects
MAXIMUM COVERAGE & PERFORMANCE: This high-build basement sealer goes on like waterproof paint - Interior basement surfaces: 50 sq ft/gallon (requires: 2-3 coats), Exterior concrete sealer outdoor surfaces: 20 sq ft/gallon (requires: 3-4 coats). Apply between 50°F-90°F. For complete protection, use the rubber sealant with Liquid Rubber Geo-Textile on joints and transitions
IMPORTANT USAGE GUIDELINES: The water-based foundation sealer formula contains zero VOCs for safe indoor application. No mixing required! Apply by brush, roller, or professional sprayer as part of your basement waterproofing system. Not suitable for walking surfaces due to tackiness when cured

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8.3

Liquid Rubber

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

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Main Highlights

HIGH-PERFORMANCE BONDING AGENT - Liquid Rubber Multi-Purpose Primer improves adhesion and prevents blistering to a variety of substrates, especially to wood and concrete
USE ON - Numerous surfaces including concrete, wood, high-density polyethylene, and more! Our Multi-Purpose Primer is fast drying
EASY TO APPLY - Apply using a conventional brush or roller equipment; may also be sprayed using a delivery system and nozzles appropriate for this material. Apply 1-2 coats depending on the surface and apply top coat within 24 hours when tack free
ENVIRONMENTALLY FRIENDLY - Liquid Rubber Multi-Purpose Primer is water based and non-toxic, containing no solvents and low VOC's. Safe for humans and pets alike
APPLICATION - For best results, apply to a dry surface that is free of dirt, debris, oil, silicone, laitance and efflorescence. Do not apply before the onset of rain or if dew is forecasted

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8.1

Liquid Rubber

Liquid Rubber Basement and Foundation Repair Sealant - Waterproof Concrete Sealer & Crack Filler - Flexible Coating for Indoor & Outdoor Use - Waterproofing Paint - Black, 5 Gallon

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Main Highlights

SUPERIOR FLEXIBLE SEALANT: Liquid Rubber's foundation sealer creates a permanent waterproof membrane for basement waterproofing, foundation leak repair, shower liners, and planter boxes. This professional-grade sealer delivers unmatched protection with 900% elongation, preventing leaks and water damage more effectively than traditional sealants
COMPLETE BASEMENT WATERPROOFING SYSTEM: Surpassing basic concrete paint, concrete sealers, and standard waterproof agents, this waterproofing membrane is designed to seal and protect against active leaks and moisture, making it perfect for basement leak and foundation repair. Seamlessly compatible with self leveling concrete applications
VERSATILE CONCRETE CRACK FILLER: The professional-grade rubber coating and rubber waterproofing technology maintains flexibility in all temperatures, preventing future cracks and damage. This liquid rubber waterproof sealant provides superior adhesion to concrete, masonry, wood, metal, and foundation surfaces, making it an ideal choice for your DIY projects
MAXIMUM COVERAGE & PERFORMANCE: This high-build basement sealer goes on like waterproof paint - Interior basement surfaces: 50 sq ft/gallon (requires: 2-3 coats), Exterior concrete sealer outdoor surfaces: 20 sq ft/gallon (requires: 3-4 coats). Apply between 50°F-90°F. For complete protection, use the rubber sealant with Liquid Rubber Geo-Textile on joints and transitions
IMPORTANT USAGE GUIDELINES: The water-based foundation sealer formula contains zero VOCs for safe indoor application. No mixing required! Apply by brush, roller, or professional sprayer as part of your basement waterproofing system. Not suitable for walking surfaces due to tackiness when cured
FOR A WATERTIGHT SYSTEM - Use rubber sealant with Liquid Rubber Geo-Textile on joints and transitions, fill small cracks with Liquid Rubber Sealant & Adhesive, and bridge joints, seams, vents, and protrusions where movement may occur. Scroll down for full application steps

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8.1

Liquid Rubber

Liquid Rubber Waterproof Sealant - Multi-Surface Leak Repair Indoor and Outdoor Coating, Water-Based, Easy to Apply, Original Black, 5 Gallon

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Main Highlights

PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more. Product remains tacky - not suitable for walking surfaces
HIGHLY FLEXIBLE & DURABLE - Final membrane has over 1000% elongation preventing adhesion failure, and is UV Stable stopping the sun from degrading the product
COVERAGE - Vertical Surfaces - 1 gallon/30 sq ft (2.8 sq m). 3-4 heavy coats to achieve a 30 mil (0.76 mm) membrane. Flat/Ponding Surfaces - 1 gallon/15 sq ft (1.4 sq m). 4-5 heavy coats to achieve a 60-80 mil (1.5-2 mm) membrane
ENVIRONMENTALLY FRIENDLY - Liquid Rubber Waterproof Sealant is water based, containing no solvents, VOC's or harmful odors. Safe for humans and pets alike, can be used indoors and outdoors with no special breathing apparatus
FOR A BULLETPROOF SYSTEM - Bridge joints, seams, vents, gaps, protrusions. With Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile where possible movement may occur

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Our Best Overall Choice

Best Choice

9.7

AMES

Ames Block & Wall™ Liquid Rubber Waterproofer Multi-Purpose Coating & Sealant - 1 Gallon - Perfect to Use As Concrete Sealer and Waterproofer for Basements and Foundations - Made in The USA, White

21% OffFree Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Item Weight: 9.25 lb
Country of Origin: China
Color: White
Brand name: Ames

Show Price

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