With so many Best Interior Basement Waterproofing Products brands on the market – from prominent names like Liquid Rubber,INSL-X,Zinsser,AMES,Vividye to smaller manufacturers – making the right choice can feel overwhelming. But we’re here to help simplify your search for the best product.
We extensively tested and evaluated dozens of top-rated Best Interior Basement Waterproofing Products across various price points, spending over 100 hours comparing the contenders side-by-side. Based on our in-depth first-hand research, we compiled this list of stand-out Best Interior Basement Waterproofing Products to consider. Our top recommendation is Liquid Rubber Best Interior Basement Waterproofing Products for its uncompromising quality and performance.
Below you’ll discover more of our favorite Best Interior Basement Waterproofing Products picks. And be sure to consult our buying guide for expert insights on selecting the ideal product for your individual needs and budget. With us guiding your decision, you can shop confidently knowing you’ve chosen an exceptional Best Interior Basement Waterproofing Products you’ll truly love.
Editor's Choice
INSL-X AMW100009A-01 WaterBlock Acrylic Masonry Waterproofer Paint, 128 Fl Oz (Pack of 1), White
Premium Pick
Zinsser 270267 WaterTite LX Ultra Waterproofing Paint, Gallon, White
Budget Pick
Ames Block & Wall™ Liquid Rubber Waterproofer Multi-Purpose Coating & Sealant - 1 Gallon - Perfect
Top 10 Best Interior Basement Waterproofing Products
We researched and compared the top products in the Best Interior Basement Waterproofing Products category to provide you with these recommendations.
1. Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy
- PROTECTIVE FINISH FOR - Foundations, ICF's, Basements, Shower Liners, Deck and Fence Posts, Planter Boxes, Metal, Wood, Concrete and more
- HIGHLY FLEXIBLE - Sealant final membrane has over 900% elongation in the sealing material preventing adhesion failure causing cracks and taring. Flat/Ponding Surface: 50 sq ft/G per coat
- EASY TO APPLY - No mixing required! Apply by brush, roller or high quality piston paint sprayer. Container can be closed and left over material used later. No pot life or working time like 2 component products
- ENVIRONMENTALLY FRIENDLY - Liquid Rubber Foundation 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. Scroll down for full application steps
2. INSL-X AMW100009A-01 WaterBlock Acrylic Masonry Waterproofer Paint, 128 Fl Oz (Pack of 1), White
- 1) Water Based coating for sealing vertical interior and exterior concrete walls. Great for basement walls, foundations and retaining walls.
- Fast Drying waterproof paint for interior/exterior basement walls, cinder blocks, stucco and brick, and masonry.
- High alkali resistance up to pH-13.
- Waterproofing paint keeps basement walls dry
- Paint only when surface and air temperatures are between 50 (10 C) and 90 F (32.2 C).
- Withstands up to 12 psi hydrostatic pressure.
- Before painting, review the INSL-X Waterblock label for proper preparation and application tips.
3. Zinsser 270267 WaterTite LX Ultra Waterproofing Paint, Gallon, White
- Great for basements and other interior/exterior masonry surfaces like fountains, reflecting pools, planters, retaining walls, privacy fences and more
- Excellent waterproofing paint backed by 2 guarantees
- Covers up to 375 sq. ft.
- Bright white, non-gritty finish applies easily with a brush, roller or sprayer
4. Ames Block & Wall™ Liquid Rubber Waterproofer Multi-Purpose Coating & Sealant - 1 Gallon - Perfect
- Item Weight: 9.25 lb
- Country of Origin: China
- Color: White
- Brand name: Ames
5. Waterproof Sealant 35oz, Transparent Waterproof Coating for Roof, Floor, Bathroom, Wall, Window,
- Premium Transparent Formula: Our clear waterproof sealant is water-based and eco-friendly, forming an Transparent Waterproof Coating after curing. It stays crystal-clear, preserving surface aesthetics while blocking moisture, air and discoloration, extending surface lifespan. Ideal for waterproof projects.
- Versatile Waterproof Sealant Applications: Use this invisible waterproof agent for indoors outdoors on roofs, floor, bathroom, walls, basements, gutters, skylights, pipes, and window sills. Suitable for wood, concrete, metal, ceramics, brick sealant projects. Whether indoors or outdoors, it handles leaks and cracks effortlessly.
- High-Performance Leak Repair: The liquid waterproof adhesive penetrates cracks and gaps, creating a clear seal resistant to heat, cold, and UV. It ensures long-lasting waterproofing, protecting surfaces from leaks while maintaining flexibility perfect for slab leak repair and foundation sealant needs.
- Easy Coverage & Application: Mix well and apply by brush, roller, or pour. Our Invisible Waterproof kit includes a brush for smooth, even application and gloves for safe handling ready to use right out of the box! For a 1 thin coat, 1 kg covers approximately 80 sq ft. For optimal waterproofing with 2 coats (at least 2 coats), coverage is approximately 40 sq ft. This effortless gap-filling liquid waterproof sealant delivers quick, reliable repairs.
- Practical Guidelines for Best Results: For best results, apply under ventilated conditions with an ideal temperature range of 5C to 35C (41F to 95F). Always test on small areas first. Once fully cured (12-24h), it withstands water immersion making it ideal for bathrooms and other high-moisture areas. This clear waterproof sealant delivers reliable, long-term protection. For any questions, contact us anytime.
6. Waterproof Sealant 70oz, Transparent Waterproof Coating for Roof, Floor, Window, Bathroom,
- Premium Transparent Formula: Our clear waterproof sealant is water-based and eco-friendly, forming an Transparent Waterproof Coating after curing. It stays crystal-clear, preserving surface aesthetics while blocking moisture, air and discoloration, extending surface lifespan. Ideal for waterproof projects.
- Versatile Waterproof Sealant Applications: Use this invisible waterproof agent for indoors outdoors on roofs, floor, bathroom, walls, basements, gutters, skylights, pipes, and window sills. Suitable for wood, concrete, metal, ceramics, brick sealant projects. Whether indoors or outdoors, it handles leaks and cracks effortlessly.
- High-Performance Leak Repair: The liquid waterproof adhesive penetrates cracks and gaps, creating a clear seal resistant to heat, cold, and UV. It ensures long-lasting waterproofing, protecting surfaces from leaks while maintaining flexibility perfect for slab leak repair and foundation sealant needs.
- Easy Coverage & Application: Mix well and apply by brush, roller, or pour. Our Invisible Waterproof kit includes a brush for smooth, even application and gloves for safe handling ready to use right out of the box! For a 1 thin coat, 1 kg covers approximately 80 sq ft. For optimal waterproofing with 2 coats (at least 2 coats), coverage is approximately 40 sq ft. This effortless gap-filling liquid waterproof sealant delivers quick, reliable repairs.
- Practical Guidelines for Best Results: For best results, apply under ventilated conditions with an ideal temperature range of 5C to 35C (41F to 95F). Always test on small areas first. Once fully cured (12-24h), it withstands water immersion making it ideal for bathrooms and other high-moisture areas. This clear waterproof sealant delivers reliable, long-term protection. For any questions, contact us anytime.
7. Liquid Rubber Waterproof Sealant - Rubber Paint - All Surface Leak Repair Indoor and Outdoor
- WATERPROOF BARRIER PROTECTION For flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, and will adhere to variety of materials including metal, wood, and concrete, and more. Everbond Waterproof Coating offers unparalleled sealing and protection.
- COVERAGE DETAILS: For vertical surfaces, one gallon covers up to 30 square feet (2.8 square meters), requiring 3-4 heavy applications to form a 30 mil (0.76 mm) thick membrane. On flat or ponding surfaces, a gallon extends to 15 square feet (1.4 square meters), with 4-5 heavy layers needed to create a robust 60-80 mil (1.5-2 mm) membrane.
- EXTREMELY FLEXIBLE & LONG-LASTING - The completed membrane boasts an impressive elongation capacity of over 1000%, ensuring it prevents failure due to loss of adhesion. Additionally, it is UV stable, offering resistance against degradation from sunlight exposure.
- ECO-FRIENDLY - This water-based Liquid Rubber Waterproof Sealant/Coating is low in solvents, VOCs, and harmful odors, making it safe for both humans and pets. It can be applied both indoors and outdoors.
- WATERPROOF SYSTEM - Use Waterproof Seam Tape to reinforce joints, seams, vents, gaps, and protrusions, especially in areas susceptible to leaks.
8. One Sight Waterproofing Membrane Fabric, 6 Inch X 75 Foot Roll Anti-Fracture Membrane Fabric,
- Strongly Waterproof With excellent waterproof performance, it prevents moisture from permeating in your shower wall, dry wall, tiles, curb, niche, pan, flooring and any other surfaces that needs to be waterproof.
- Flexible & Practical It is easy to measure out and cut the fabric to the size you need. With perfect thickness, its pliable and adjustable, applied excellently to any corners and even to sharp surfaces.
- Durable & VersatileIt will not shrivel or wrinkle over time with long-lasting durability, giving you all-round protection for bathrooms, showers, floors, walls, steam rooms, joints and corners, etc.
- Premium & Corrosion-Resistant Made of high-quality non-woven fabric (non-sticky), its anti-acid, alkali-resistant and prevents any other highly corrosive chemicals. Its smoother, denser, and stronger for preventing the leaks.
- Easy to Install It works well with any liquid waterproofing membranes (RedGard, Laticrete, Green Seel). Just brush your reliable liquid membrane on the surface, cut pieces of membrane fabric into it and brush another coat on top when doing a shower project.
9. USG DUROCK Brand Liquid Waterproofing Membrane 1 Gallon
- Can be rolled, brushed, troweled and sprayed
- Fast drying time allows for quick turnaround time
- Low Perm Rating (0.38 perms at 20 mils dry thickness) per ASTM E96 Procedure E
- Anti-fracture protection up to 1/8 in. (3 mm) over shrinkage and other non-structural cracks
- Suitable for waterproofing floors, walls and countertops
10. Liquid Waterproof Sealant White 35 Ounces, Endhokn Wall, Bathroom, Roof, etc Indoor and Outdoor
- Durability: multi layer overlay coating, good film forming, good waterproof effect and durable waterproof, low temperature resistance, heat resistance, with UV stability
- Applicable Scenarios: roofs, walls, corners, wall roots, external wall cracks, toilet leaks, pipe leaks, substrate joints, windows, car roofs, PVC pipe joints, drains, chimneys, pools, baths, etc
- Easy to Operate: you can use a brush dip smear, roller smear, pour out and then apply. Apply evenly to ensure coverage and penetration into the cracks, and play a sealing role
- Good Practicability: Each 1 KG product can cover about 14 square feet (1.3 square meters). Quickly cover and seal water, air and humidity
- Environmental Protection Material: water-based, free of solvents, volatile organic compounds, non-flammable, and can be used indoors and outdoors
- The date printed on the product package is the production date of the product, not the best use date. Please use it within two years after the production date. Suggest repairing at temperatures above 5 degrees Celsius
Peter
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