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
- 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
- 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 tearing.
- 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
- Item Weight: 9.25 lb
- Country of Origin: China
- Color: White
- Brand name: Ames
- Waterproof, weather resistant seal
- This is highly durable
- This is manufactured in United states
- Contains no flammable or toxic solvents
- Provides a weather-tight seal that stays flexible, prevents ice and water damage and resists cracking
- Clean up before curing can be accomplished with soap and water
- 10.1-Ounce
- Low odor
- Contains no flammable or toxic solvents
- Provides a weather-tight seal that stays flexible, prevents ice and water damage and resists cracking
- Clean up before curing can be accomplished with soap and water
- 10.3-Ounce
- 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
- BASEMENT WATERPROOFING & RADON MITIGATION IN ONE - Internally Seals the Matrix Of Concrete, Blocking The Pores And Capillaries To Prevent Water Seepage, Water Vapor, Efflorescence, & Radon Gas Migration Through Concrete. Ideal For Basement Floors, Interior Basement Walls, Foundation Walls, Slab-On-Grade, Indoor & Outdoor Poured Concrete Slabs, And Walls.
- BUILT-IN CONCRETE DENSIFIER - Chemically Hardens & Strengthens Concrete To Protect And Reduce Concrete Dusting, Crazing, Damage Caused By Salts, De-Icing Chemicals, And Freeze Thaw Cycles.
- PERMANENT RESULTS – No Reapplication Needed, Ever! RadonSeal Reacts Chemically Deep Inside The Pores To Become A Part Of The Concrete Itself. Resistant To Hydrostatic Water Pressure, RadonSeal Will Never, Peel, Crack, Or Fade Away.
- ECO-FRIENDLY & EASY TO APPLY FORMULA – Zero VOCs, No fumes or Noxious Odors, No Solvents, Non-Toxic, Non-Flammable. Water-based. Safe For Use Indoors or Outdoors.
- PAINTABLE & COMPATIBLE WITH ALL COATINGS AND OVERLAYS – Serves As An Excellent Primer For Paints, Epoxies, Stains, And Other Decorative Coatings. Seal Your Basement Walls & Floors Before Finishing Your Basement. Protect Flooring From Warping & Water Damage.
- RadonSeal STANDARD Is For Use On Newer POURED CONCRETE Slabs, Foundation Walls & Retaining Walls. Use RadonSeal PLUS For Older Concrete, Concrete Blocks, and Any Concrete With A History Of Seepage.
- Made In The USA. Money-Back Guarantee - Trusted Concrete Sealer Since 1997
- Transparent Waterproof Coating Features: Waterproof sealant is a water-based coating. High solid content, good film-forming properties, water sealant cured to form a dense colorless transparent waterproof surface
- Waterproof Insulating Sealant Clear Long Lasting and Durable: Anti-leakage waterproof sealant strong adhesion and protective waterproof layer, invisible waterproof agent effectively isolate air, water and moisture
- Outdoor Sealant Waterproof Advantage: Invisible waterproof glue self-leveling performance smoothly cover small gaps and cracks, to achieve the sealing effect, play the role of stopping leaks, leakage prevention
- Clear Waterproof Coating Application: Can be dipped with a brush, roller or poured directly without professional help. Ensure advantous waterproof sealant is evenly applied to the desired surface
- Waterproof Paint Use Scenarios: Widely used on roofs, walls, bathrooms, windowsills, kitchens, sheds, basements, gutters, pipes, corners and other concrete, metal, wood and other scenarios for surface protection and leakage repair sealing
- Penetrates Concrete (up to 4") – Internally Seals the Matrix of Concrete, Blocking the Pores and Capillaries to reduce Water Seepage, Water Vapor, and Radon Gas. Ideal for use on basement floors, 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.
- Easy to Apply Formula – No special tools required. 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.
- This premium, interior/exterior paint is formulated to waterproof and seal porous concrete and masonry surfaces both inside and outside your home.
- Using nanotechnology, this paint forms a barrier to help stop water infiltration while an alkali resistant coating provides a long-lasting, durable and decorative finish.
- Apply this paint on properly prepped and cured above and below grade basement walls, masonry walls, retaining walls, cinder and concrete blocks, stucco and brick. Do not use on floors or on walls with active water leaks. Apply using a high quality 1/2"-3/4" nap roller, 4" nylon/polyester brush or an airless sprayer capable of delivering 2200-3200 PSI or greater using a .023"-.025" spray tip.
- Prime all uncoated, patched, chalky, and adjacent wood and/or metal surfaces with KILZ Premium Primer. For below grade application, fill all holes/cracks with hydraulic cement prior to painting. A minimum of two coats of this product are required for optimal results. Paint dries to touch in one hour and can be re-coated in 4 hours depending on humidity.
- This is a 1-gallon can of Interior/Exterior Basement and Masonry Waterproofing Paint, White, 1-gallon in white. Depending on surface porosity, 1 gallon covers 75 to 125 square feet per.
- INSTANTLY SEALS OUT WATER; AIR; AND MOISTURE: Thick; flexible rubberized sealant paste clings to multiple surfaces to instantly fill large gaps; cracks & holes
- APPLY ON WET & DRY SURFACES: Use to stop and prevent leaks on wet & dry surfaces
- TEMPERATURE AND UV RESISTANT: When dried; the rubberized sealant paste is temperature and UV resistant resulting in lasting repairs
- PAINTABLE: Can be painted to match any color or surface once dried
- GREAT FOR: Roofs; Gutters; Skylights; Flashing; Chimneys*; PVC Pipe Joints; Windows; RVs; DIY Projects and More! (*For exterior use only. Not intended for inside of firebox or chimney stack.)
- Liquid Sealer Waterproof Isolate Water, Air and Moisture: Waterproof glue sealant 2-4 hours fast drying, can be applied on wet surfaces. Rubber sealant with elasticity and ductility, effective resistance to deformation of the substrate
- Roof Sealant Waterproof Multi Surface Leak Repair: Rubber sealant coating is suitable for waterproofing concrete materials, metal materials, and other materials. Walls, basements, chimneys, roofs, sheds, colored steel tiles, skylights, balconies, etc
- Waterproof Paint Sealer Easy to Apply: Rubber coating can be applied with a brush, roller, trowel or pour. Liquid roof coating is self-leveling and smoothly covers small gaps and cracks, ensuring a watertight seal
- Roof Leak Repair Sealant Excellent Water Repellent Properties: Waterproofing sealant cures in static water and does not react with water. For regular surfaces, a thick coat is sufficient. Highly absorbent surface, apply twice with a 6-hour interval
- Metal Roof Sealant Waterproof & Protection: With good adhesion, forming a dense waterproof membrane, wear-resistant, resistant to high and low temperature. Roof sealer waterproof need to make sure that the surface is free of grease and dust
- 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
- Waterproof Glue Clear Material: Clear waterproof sealant is a water-based coating. Waterproof coating is semi-transparent before use, after application and curing for the transparent waterproof sealing membrane
- Waterproof Agent Use Scenario: Waterproof adhesive can be used indoors and outdoors. Roofs, walls, basements, sheds, gardens, gutters, skylights, pipes, bathrooms, chimneys, window sills. Waterproof glue is suitable for Wood, indoor and outdoor concrete structures, brick walls, metal, ceramics and so on
- Waterproof Insulated Sealant Performance: Liquid waterproof sealant forms a dense waterproof coating, insulating air, water and moisture. roof sealant waterproof is resistant to high and low temperatures, to achieve a durable seal, waterproof, protect items, and maintain aesthetic
- Transparent Waterproof Adhesive Usable Area: 2-3 even coats per 1kg of invisible waterproof glue, covering approximately 14 square feet, 1.3 square meters. Waterproof glue can be applied by brush, roller, pouring, etc. Cross-apply, 24 hours between coats, for a long-lasting waterproof sealing membrane
- Clear Waterproof Seal Liquid Tips: Sealer outdoor waterproof for use in sunny, dry weather at 5˚C/41˚F or higher. Invisible waterproof sealant is applied over a width of greater than 15cm at the correct point
- PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete and more
- 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
- 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 protects up to 200 sq. ft./gallon. First, prep the surface by removing stains with mild soap or Restore-N-Prep (sold separately). Then, simply apply the sealer using the 16oz spray for optimal results
- PROTECTS & PRESERVES: 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 concrete
- SEALS OUT WATER; AIR AND MOISTURE: Flexible; rubberized coating seals out water; air and moisture to stop and prevent leaks
- EASY TO APPLY: It can be applied by brush; roll; trowel; dip or pouring. Once applied; the self leveling formula smoothly covers small gaps and cracks ensuring a watertight seal
- TEMPERATURE AND UV RESISTANT: When dried; the rubberized coating is temperature and UV resistant resulting in lasting repairs
- PAINTABLE: Works with both latex and oil based paint; When coating with oil based paint; use a primer first before painting
- GREAT FOR: Roofs; Gutters; Skylights; Flashing; Chimneys*; PVC Pipe Joints; Windows; RVs; DIY Projects and More! *For exterior use only. Not intended for inside of firebox or chimney stack.
- 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
- WATERPROOFING STAIN – Bring out the beauty of your outdoors with Thompson’s WaterSeal Clear Multi-Purpose Waterproof Stain. Proven to waterproof concrete, brick, exterior wood and other exterior surfaces.
- CLEAR STAIN – This outdoor wood stain and sealer provides a clear finish. It will hide the grain, but still allow the texture to show. It provides complete protection while adding enhancing the natural color.
- FADE RESISTANT FINISH – The advanced polymers in this outdoor wood and deck stain deliver fade-resistant color so it stays looking great year-round. The coating resists UV damage, so you can apply with confidence.
- EASY TO USE – Whether you’re refinishing an existing fence or putting the finishing touches on a new patio, this concrete, brick, wood sealer is easy to apply. Clean the surface thoroughly prior to use for best results.
- THOMPSON’S – Protecting & maintaining all your exterior surfaces, can easily be simplified if you know where to start. Thompson’s WaterSeal is here to take the edge off, thanks to our one-coat products, informative how-to guides & decades of expertise.
- Siloxa-Tek 8500 is a water-based, silane/siloxane engineered to reduce water and moisture intrusion. Will not change the aesthetics, leaving your concrete, pavers, brick and stone with its original natural appearance. This low VOC formula is 100% breathable and non film forming (meaning it will never peel flake or delaminate).
- Siloxa-Tek 8500 is D.O.T (Department of Transportation) approved and resists surface damage caused by chlorides and deicing salts. It mitigates cracking, spalling and pitting and protects against surface degradation from freeze thaw damage.
- Siloxa-Tek 8500 is a supercharged penetrating sealer with 6x higher actives than any other water based concrete sealer on the market for long lasting protection that actually last. Resists wind driven rain.
- Siloxa-Tek 8500 is a commercial grade, impregnating sealer for commercial and residential applications. Its high actives formula is UV stable and will not break down from direct sunlight. There is no change to the surface profile ensuring a non slick surface. Siloxa-Tek 8500 is the next generation of impregnating sealers with smaller active particles for even deeper penetration for unrivaled protection.
- Excellent water beading effect, easy application with sprayer, roller or brush. Use on driveways, garages, basements, patios, pool decks. Covers up to 250 square feet per gallon per coat. If installed by certified applicator vertical applications can last up to 10 years before reapplication is required.
- 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
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.
