10 Best Basement Sealer of December 2025

• 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

L R

• PROTECTIVE FINISH FOR - Flat roofs, metal roofs, sloped roofs, planter boxes, foundations, ponds, 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/Coating 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

L R

• Split Face Block ✓ Stucco ✓ Decorative Block
• ✓ Galvanized Metal ✓ Adobe ✓ Fluted Block
• ✓ EIFS ✓ Concrete Walls ✓ Vinyl/Aluminum Siding
• Stops Water Penetration Hi-Solids Formula for Use on Split-Face, Fluted & Decorative Block
• Binds Chalky Surfaces & Strengthens Mortar Joints Above Grade Use

Seal Krete

• Liquid Rubber Waterproofing and Protective Coatings Product
• Insulating, Ceramic Properties Great for Roofs and RV Roofs
• EPA Energy Star Rated, Resistant to Aging and UV Exposure
• Low VOC, Excellent Elongation
• Spread Rate: 60 sq ft/gal at 20 imperial mils

Rubberseal

• BEST VALUE ON AMAZON – The Essential Values 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!

Essential Values

• GUARANTEED to stop water - withstands 10 pounds of hydrostatic pressure (PSI), equivalent to a wall of water 22 feet high
• Fully transferable 10 Year Warranty
• Helps protect against radon gas penetration by reducing vapor transfer
• Low-odor formula complies with all current VOC requirements
• Breathable film will not trap moisture in the masonry
• No pre-mixing or pre-wetting necessary
• Withstands 10 pounds of hydrostatic pressure, greater than a wall of water 22 feet high
• A breathable film - does not trap moisture in masonry. Applies easily with brush and/or roller and cleans up with soap and water
• Complies with all current VOC and/or VOS
• 10-year warranty. Tintable

Drylok

• 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

RadonSeal

• 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

RadonSeal

• 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.

RadonSeal

• Use a CONCRETE SEALER designed for Commercial applications to keep a clean, NATURAL APPEARANCE and improve the DURABILITY of YOUR concrete driveway, patio pavers, unglazed cement tiles, concrete block retaining wall, cast concrete or your garage floor.
• PROTECTS AGAINST mold, mildew, concrete spalling, freeze thaw, pitting, salt damage after sealing with AQUA-X 11 Concrete Sealer
• BREATHE EASY when applying AQUA-X 11 Concrete Sealer due to NO FOUL ODOR and LOW VOCs as so many reviews have noted
• Your money goes farther with AQUA-X 11 Concrete Sealer with TWICE THE COVERAGE RATE - up to 600 square feet per gallon, and up to 5 years before resealing
• EASY ONE COAT SPRAY ON APPLICATION using our included Application Guide and available Application Videos

AQUA-X