Basement waterproofing sealer is the perfect solution for keeping your basement dry and free of water damage. This sealer is designed to keep moisture and water out of your basement by creating a watertight bond between the sealer and your concrete basement walls. It is easy to apply and doesn’t require any special tools or techniques. The sealer is designed to last for many years, and won’t chip or flake off over time. It is also resistant to mold and mildew, and won’t alter the natural color of your concrete walls. Basement waterproofing sealer is the ideal choice for anyone looking for an easy and effective way to keep their basement dry and free of water damage.
The Ultimate Top 10 & Best Basement Waterproofing Sealer, In-Depth Reviews and Comparisons
1#. RadonSeal Standard – Deep Penetrating Concrete Sealer (2.5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Against Water Vapor, Water Seepage, & Radon Gas Permanently!
Features
MONEY BACK GUARANTEE
USER-FRIENDLY – Non-toxic, non-flammable, zero VOC’s.
EASY TO APPLY – Spray or roll-on application.
PERMANENT – No reapplication needed.
PENETRATES – Does not leave a coating. Works by absorbing and reacting inside concrete.
2#. RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) – Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas
Features
Penetrates Concrete (up to 4″) – Internally seals the matrix of concrete, blocking the micro-pores and capillaries to prevent capillary water seepage, water vapor, efflorescence, and radon gas directly through concrete. Ideal for use on basement floors, interior basement walls, foundation walls, slab-on-grade, indoor and outdoor poured concrete slabs and walls.
Hardens & Strengthens Concrete – Helps to protect and reduce Concrete Dusting, Crazing, Damage Caused by Salts, De-Icing Chemicals, and Freeze Thaw. Breathable, does not trap moisture!
ECO-Friendly & Easy to Apply Formula – ZERO VOCs, No fumes or Noxious Odors, No Solvents, Non-Toxic, Non-Flammable. Water-based.
Permanent & Paintable – No Reapplication Needed; the seal becomes integral to the concrete itself. Resistant to Hydrostatic Water Pressure. Penetrating sealer that does not form a surface film; no peeling or fading. Leaves surface Paintable.
Commercial-Grade backed by a Money-Back Guarantee – Trusted Concrete Sealer Since 1997
Includes repairs, parts, labor and Transport
COVERAGE: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use covered for portable products and power surges covered from day one. Malfunctions covered after the manufacturer’s warranty.
EASY CLAIMS PROCESS: File a claim anytime online. Most claims approved within minutes. We will send you an Amazon e-gift card for the purchase price of your covered product. In some cases, we will replace or repair it.
MORE DETAILS: Additional information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase (if you do not see this email, please check your spam folder).
3#. RadonSeal Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent Results!
Features
MONEY BACK GUARANTEE
USER-FRIENDLY – Non-toxic, non-flammable, zero VOC’s.
EASY TO APPLY – Spray or roll-on application.
PERMANENT – No reapplication needed.
PENETRATES – Does not leave a coating. Works by absorbing and reacting inside concrete.
4#. Rain Guard Water Sealers- Concrete Sealer, Penetrating Water Repellent Protection for All Porous Concrete Surfaces, Water-Based Silane/Siloxane Sealant, Ready to Use, 1 Gallon
Features
PREMIUM CONCRETE SEALER: Protect, restore, and extend the life of your home with our water-based, silane/siloxane Concrete Sealer water repellent. Safe for indoor and outdoor use, it absorbs deep into the surface inhibiting moisture damage
LONG-LASTING PROTECTION: Formulated with Micro-Lok, this concrete sealer creates a long-lasting filmless hydrophobic barrier against weathering, salt, dirt, freezing temperatures, wind-driven rain, and other damaging elements
VERSATILE: Protect garage floors, stamped concrete, countertops, driveways, walls, and patios. Even use it as a grout sealer! Concrete Sealer dries down to a transparent, stain-resistant finish that won’t yellow or alter surface texture and appearance
READY TO USE: Our ready-to-use Concrete Sealer absorbs into surfaces and protects up to 200 sq. ft./gallon. Prep surfaces by removing stains with mild soap or Restore-N-Prep (sold separately). Apply with a handheld pump sprayer for optimal results
PROTECT & PRESERVE: This concrete sealer creates a durable barrier that repels water, oil, and other contaminants, preventing weathering, staining, and corrosion while preserving the natural look of the concrete
5#. Concrete Sealer Clear Penetrating Waterproofing Spray, The Best Sealant to Seal Your Driveway, Cement Patio Pavers, Brick, Stone Or Any Outdoor Hard Surface.
Features
COMMERCIAL GRADE impregnating sealer- Now available to everyone! An industrial-grade, water-based, silane/siloxane waterproof sealant engineered to reduce water and moisture intrusion, while protecting concrete or masonry substrates from chlorides and deicing salts.
EXTENDS THE LIFESPAN of your concrete by reducing cracks, spalling, and efflorescence. Your Concrete will stay looking new and become easy to clean.
SEALS AND PROTECTS OTHER HARD SURFACES including, cement, grout, stucco, split-faced block, brick, pavers, and natural stone surfaces from the damaging effects of water penetration, from snow, ice, salt, rain, salt water, or water from a pool.
REPELS WATER, PREVENT CRACKS, FIGHTS SALT – silane/siloxane water-based emulsion designed to repel water and salts from concrete surfaces which extends the lifespan of your concrete by reducing cracking.WATER-BASED, Safer to use, easier cleanup, safer for your plants and pets. Low odor non-flammable waterproofing spray.
LASTS UP TO 10 YEARS on some applications but we recommend re-applying between 5-7 years to ensure the best results.
6#. RadonSeal Plus Deep-Penetrating Concrete Sealer, Basement Waterproofing & Radon Mitigation in One | Seals Concrete Against Water, Vapor, and Radon Gas (5-Gallon)
Features
Penetrates Concrete (up to 4″) – Internally Seals the Matrix of Concrete, Blocking the Pores and Capillaries to Prevent Water Seepage, Water Vapor, and Radon Gas. Ideal for use on basement floors, interior basement walls, foundation walls, slab-on-grade, indoor and outdoor poured concrete slabs and walls.
Hardens & Strengthens Concrete – Helps to Protect Against and Reduce Concrete Dusting, Efflorescence, Damage Caused by Salts, De-Icing Chemicals, and Freeze Thaw. Does Not Trap Moisture.
ECO-Friendly & Easy to Apply Formula – ZERO VOCs, No Odors, No Solvents, Non-Toxic, Non-Flammable. Water-based.
Permanent & Paintable – No Reapplication Needed. Resistant to Hydrostatic Water Pressure. Does Not Form a Surface Film. No Peeling or Fading. Leaves Surface Paintable. Great Primer for Epoxies, Tiles, and Overlay Flooring.
Commercial-Grade Backed by a Money-Back Guarantee – Trusted Since 1997
7#. Eco Advance Concrete/Masonry Siloxane Waterproofer – 1 Gallon
Features
Ready to use commercial grade formula can be applied using a standard garden pump sprayer
Ideal for use on concrete, brick, stucco, stone (natural and synthetic), EIFS, pavers and more
Protects against water damage, oil, stains, mold, mildew, de-icing salts, and pool/spa chemicals
Water-based, non-toxic, non-flammable formula does not harm landscape plantings
Vapor permeable (breathable) water proofer can be used on new concrete and masonry
8#. Liquid Rubber Concrete Foundation and Basement Sealant – Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 1 Gallon
Features
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
9#. Flex Seal Liquid, 32 oz, Gray, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry
Features
Flex Seal Liquid is liquid rubber in a can! Now you can brush, roll, dip or pour it on!
Use anywhere you need a watertight, flexible rubberized coating
Goes on smooth and covers fast, sealing out water, air and moisture
UV-resistant
Prevents rust and corrosion. Chemical resistant
10#. Rexoseal 1000 Waterproofing Sealant – Multi-Purpose Indoor & Outdoor Coating Sealant – Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal – Black, 1 Gallon
Features
Multi-Purpose Rubberized Waterproofing Black Sealant used for Interior and Exterior Applications!
Rexoseal 1000 is Extremely Tough & Durable and maintains Flexibility in extreme hot and cold conditions.
Used For Flat & Low Sloped Roofs, Metal Roofs, Asphalt Shingle Roofs, Foundations, Basements, Concrete, Wood, Metal & much more…
Easily Apply it by Brush, Roller or Industrial Sprayer!
Coverage of 1 Gallon of Black Rexoseal 1000 is approximately 100 square feet. For added reinforcement use Rexoseal’s Reinforcing Membrane over seams, cracks, large patches and a whole roof. For added protection use Rexoseal 2000 white topcoat.
