Rank Product Name Score
1 KILZ Interior/Exterior Basement and Masonry Waterproofing Paint, White, 1-gallon KILZ Interior/Exterior Basement and Masonry Waterproofing Paint, White, 1-gallon
Masterchem Industries LLC (Drop Ship)
9.6 GET ON AMAZON
2 RadonSeal Plus Deep-Penetrating Concrete Sealer, Basement Waterproofing & Radon Mitigation in One | Seals Concrete Against Water, Vapor, and Radon Gas (5-Gallon) RadonSeal Plus Deep-Penetrating Concrete Sealer, Basement Waterproofing & Radon Mitigation in One | Seals Concrete Against Water, Vapor, and Radon Gas (5-Gallon)
Novion
9.2 GET ON AMAZON
3 A-Tech Hydra-Block Concrete Basement Wall and Floor Sealer -5 Gallon Pail-Seals Basements Against Water Vapor, Water and Radon A-Tech Hydra-Block Concrete Basement Wall and Floor Sealer -5 Gallon Pail-Seals Basements Against Water Vapor, Water and Radon
Applied Technologies
8.9 GET ON AMAZON
4 10 10′ Fast Set Concrete Foundation Crack Repair Kit-Polyurethane Foam Stops Water from Leaking Through a Basement Crack-Our Most Popular DIY Concrete Crack Repair Kit
Applied Technologies
8.9 GET ON AMAZON
5 RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) - Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) – Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas
Novion
8.9 GET ON AMAZON
6 RadonSeal Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent Results! RadonSeal Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent Results!
Novion
8.6 GET ON AMAZON
7 Siloxa-Tek 8500 Ready to Use - 1 Gallon Penetrating Concrete Sealer, Water and Salt Repellent Siloxa-Tek 8500 Ready to Use – 1 Gallon Penetrating Concrete Sealer, Water and Salt Repellent
Kretetek Industries, Inc.
8.5 GET ON AMAZON
8 RadonSeal Standard – Deep Penetrating Concrete Sealer (2.5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Against Water Vapor, Water Seepage, & Radon Gas Permanently! RadonSeal Standard – Deep Penetrating Concrete Sealer (2.5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Against Water Vapor, Water Seepage, & Radon Gas Permanently!
Novion
8.3 GET ON AMAZON
9 40′ Contractor Polyurethane Foundation Crack Repair Kit-Seal and Stop Water Leaks Through Concrete Wall Cracks. for use on Concrete Basement Cracks 40′ Contractor Polyurethane Foundation Crack Repair Kit-Seal and Stop Water Leaks Through Concrete Wall Cracks. for use on Concrete Basement Cracks
Applied Technologies
8.1 GET ON AMAZON
10 Rexoseal 1000 Waterproofing Sealant - Multi-Purpose Indoor & Outdoor Coating Sealant - Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal - Black, 1 Quart Rexoseal 1000 Waterproofing Sealant – Multi-Purpose Indoor & Outdoor Coating Sealant – Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal – Black, 1 Quart
Infinite Polymer Solutions inc.
8.0 GET ON AMAZON

KILZ Interior/Exterior Basement and Masonry Waterproofing Paint, White, 1-gallon

KILZ Interior/Exterior Basement and Masonry Waterproofing Paint, White, 1-gallon

    Features:

  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • KILZ has been making premium primers and paints for 40 years. KILZ was named Paint Brand of the Year in 2015 in the Harris Poll EquiTrend  Rankings.

RadonSeal Plus Deep-Penetrating Concrete Sealer, Basement Waterproofing & Radon Mitigation in One | Seals Concrete Against Water, Vapor, and Radon Gas (5-Gallon)

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

A-Tech Hydra-Block Concrete Basement Wall and Floor Sealer -5 Gallon Pail-Seals Basements Against Water Vapor, Water and Radon

A-Tech Hydra-Block Concrete Basement Wall and Floor Sealer -5 Gallon Pail-Seals Basements Against Water Vapor, Water and Radon

    Features:

  • Apply on Interior Basement Concrete Walls and Floors to Prevent Water and Water Vapor Transmission Through Concrete
  • Stops Radon, Methane and Other Soil Gasses From Entering a Basement
  • Hardens Concrete To Reduce Dusting, Paintable and Soaks Into Concrete Leaving a Natural Look
  • Low VOC
  • No Odor

10′ Fast Set Concrete Foundation Crack Repair Kit-Polyurethane Foam Stops Water from Leaking Through a Basement Crack-Our Most Popular DIY Concrete Crack Repair Kit

10

    Features:

  • Stops Water Leaks Through Concrete Foundation Cracks
  • Fast Curing Surface Sealer and Injection Polyurethane Foam
  • How-To Video Included
  • Same materials our Pro Customers Use
  • Poxy Paste Tightly Bonds to the Concrete for a Better Injection Process

RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) – Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas

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

RadonSeal Standard – Deep Penetrating Concrete Sealer (5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Water Vapor, and Radon Gas | Permanent Results!

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.

Siloxa-Tek 8500 Ready to Use – 1 Gallon Penetrating Concrete Sealer, Water and Salt Repellent

Siloxa-Tek 8500 Ready to Use - 1 Gallon Penetrating Concrete Sealer, Water and Salt Repellent

    Features:

  • An industrial-grade, water-based, silane/siloxane engineered to reduce water and moisture intrusion, while protecting concrete or masonry substrates from chlorides and deicing salts.
  • Resists deicing salt/chloride damage, freeze thaw damage, spalling, pitting, cracking
  • Reduces water ingress, moisture intrusion and ASR
  • Excellent water beading effect, excellent penetration, easy application with sprayer, roller or brush, no appearance change – dries clear, Low VOCs
  • Use on driveways, garages, basements, patios, pool decks. Covers up to 250 sqaure feet per gallon per coat.

RadonSeal Standard – Deep Penetrating Concrete Sealer (2.5-gal) | Basement Waterproofing & Radon Mitigation Sealer | Seals Against Water Vapor, Water Seepage, & Radon Gas Permanently!

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.

40′ Contractor Polyurethane Foundation Crack Repair Kit-Seal and Stop Water Leaks Through Concrete Wall Cracks. for use on Concrete Basement Cracks

40′ Contractor Polyurethane Foundation Crack Repair Kit-Seal and Stop Water Leaks Through Concrete Wall Cracks. for use on Concrete Basement Cracks

    Features:

  • Stop Leaks in up to 40′ of Concrete Basement Wall Cracks
  • Fast Curing Poxy Paste Surface Sealer and Port Adhesive Bonds tightly to Concrete
  • Works on Brick Patterned Concrete Walls Also
  • Hydra Stop 300 Hydrophobic Polyurethane Foam Fills the Crack

Rexoseal 1000 Waterproofing Sealant – Multi-Purpose Indoor & Outdoor Coating Sealant – Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal – Black, 1 Quart

Rexoseal 1000 Waterproofing Sealant - Multi-Purpose Indoor & Outdoor Coating Sealant - Foundations & Basements, Flat & Low Slope Roofs, Concrete, Wood & Metal - Black, 1 Quart

    Features:

  • Multi-Purpose Rubberized Waterproofing 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 Rexoseal 1000 is approximately 25 sq. ft. and includes 5″ x 25′ of Reinforcing Membrane.

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