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The 8 Best water sealer for basement of 2024

Are you trying to find water sealer for basement among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling water sealer for basement on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 17 hours of research and did 33 water sealer for basement tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best water sealer for basement you can buy today

No. 2
RadonSeal Plus Deep-Penetrating Concrete Sealer, Basement Waterproofing & Radon Mitigation in One | Seals Concrete Against Water, Vapor, and Radon Gas (5-Gallon)
  • 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 – Protects Against and Reduces 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 – No Reapplication Needed. Resistant to Hydrostatic Water Pressure. Does Not Form a Surface Film. No Peeling or Fading.
  • Commercial-Grade Backed by a Money-Back Guarantee - Trusted Since 1997
  • Leaves Surfaces Paintable. Great Primer for Epoxies, Tiles, and Overlay Flooring.
No. 3
Liquid Rubber Concrete Foundation and Basement Sealant - Indoor & Outdoor Waterproof Coating, Easy to Apply, Black, 5 Gallon
  • 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
No. 4
RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) - Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas
  • 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
No. 5
RadonSeal Standard – Deep Penetrating Concrete Sealer (2.5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Against Water Vapor, Water Seepage, & Radon Gas Permanently!
  • 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.
No. 6
Quikrete Waterproofing Sealer 5 gal
  • Use for sealing: concrete, brick, pavers and stucco
  • Repels water and protects from oil, gasoline, grease and salts
  • Apply at 100-200 sq ft. per gallon (9.3-18.6 m2) coverage will depend on porosity of the surface.
  • Water-based
  • Use on vertical and horizontal surfaces
No. 7
Rexoseal 1000 Waterproofing Sealant - Multi-Purpose Indoor & Outdoor Coating Sealant - Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal - Black, 1 Quart
  • 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 Quart of Black Rexoseal 1000 is approximately 25 square feet and includes 5" x 25' of Reinforcing Membrane.
No. 8
TRX Compressed Swell Plug - Basement Tie Rod Hole Sealing Device - 4 Count
  • The TRX stops water instantly!
  • Easy to use. Save on expensive contractor repairs by doing it yourself.
  • A simple one time application to permanently stop 5/8” tie rod hole leaks in poured concrete walls.
  • Water activated shaft that co-exist in wet environments more effectively that hydraulic cement, caulks, or epoxies.
No. 9
5 Gallon Concrete Sealer (Covers 7500 Sq Ft) – Made in USA - Excellent Clear & Wet Sealant Designed for Indoor/Outdoor Surfaces - for Concrete, Driveways, Garages, Basements, Patio
  • EST VALUE ON AMAZON – The Essential Values 5 Gallon Concrete & Stone Sealer Finish is The Best Concrete Sealer for Protecting and Finishing Driveways, Sidewalks, Garage Floors, Patios, and Other Concrete Surfaces! Not Limited to Outdoors Alone, Safe for Use Indoors: Pavers, Cinder Blocks, Bricks, Chimney’s and Fireplaces!
  • IMPRESS YOUR NEIGBORS – Not like Other Cheap Acrylic Sealers That Do Not Provide a Full Seal! With Essential Values Concrete & Stone Sealer Finish, Become the Driveway of the Neighborhood for Years to Come While Safe & Eco-Friendly ***Approved by the DOT***. Made from the Markets Highest Quality of Siloxane Ingredients, You Will Not Be Disappointed!
  • KEEPS MOSITURE OUT – Keep Your Driveway Looking New and Protect it and other Concrete & Stone Finishes from Spalling, Degrading, Pitting or Cracking! Protect your Investment and Save More with Your Essential Values Protectant Seal – Designed to Tolerate and Protect Surface from Salts, Ions, Stains, Mildew, Fungus, & Freezing and Thawing
  • EASY TO APPLY – Simple to Use with A Beautifully Attractive Clear Finish! Covers up to 1500 SQUARE FOOT for Standard Care! If WET LOOK / HIGH GLOSS Desired, Apply 3 Coats and Allow 1 Hr To Dry Between Coats! ****For Best Results, Surfaces Need to Be Fully Cleaned from Dirt, Dust, Grease, Oil & Efflorescence****
  • PROUDLY MADE IN USA – To Us, Quality Is Everything! That Is Why We Have Engineered, Tested, And Manufactured Our Concrete Sealer Right Here in The USA. If You Are Not Happy with Our Product, NO PROBLEM – Get Your Money Back Guaranteed!
No. 10
DryWay Water-Repellent Concrete Sealer - Penetrating Silane & Siloxane for Driveways, Garages, Patios, Pool Decks, Concrete, Brick & Pavers, Flat Finish, Interior/Exterior (5-Gallons)
  • Water-Based Silane & Siloxane for Concrete, Brick, Block, Pavers, and other Porous Masonry.
  • Non-Film Forming. Clear/Matte Finish. Non-Slip. For Indoor or Outdoor Use
  • Unbeatable Service Life. Up to 7-Years of Protection.
  • Excellent Water-Repellency. Prevents Damage Caused by Salts and De-Icing Chemicals.
  • For Patios, Driveways, Pool Decks, Garages, Shop Floors, Sidewalks and Walkways

How to choose a good water sealer for basement

Does the idea of finding a fantastic water sealer for basement make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in water sealer for basement. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top water sealer for basement products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top water sealer for basement on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top water sealer for basement brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top water sealer for basement based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the water sealer for basement were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good water sealer for basement, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your water sealer for basement.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting water sealer for basement for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our water sealer for basement. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what water sealer for basement should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on water sealer for basement.