10 Best Penetrating Concrete Sealer of August 2025

• Penetrating (2") Solvent Based Silane/Siloxane Water Repellent. Interior/Exterior.
• Superior efflorescence and strong alkali resistance. Stops concrete dusting.
• Resists damage cause by de-icing salts and freeze/thaw cycles.
• Lasts up to 10 years and won't change the look of the concrete.
• Provides excellent resistance to mold, mildew, and fungus.

Foundation Armor

• CLEAR PROTECTION – Provides a long-lasting, non-glossy invisible coat to concrete surfaces. Will never leave any residue or alter the color or appearance of your concrete driveway, sidewalk, or patio. Masonry waterproofer that will last for up to 5 years
• WATER REPELLENT – Water-based eco-friendly silane/siloxane rain guard penetrating concrete sealer that bonds with the minerals in concrete and masonry to provide with you long-lasting water protection. The breathable sealer causes the water to bead instead of seeping into the concrete
• POWERFUL CONCRETE SEALER – Keep your driveway looking new and protect it or other concrete surfaces from pitting or cracking. Best suited to protect against ice melt salts or chloride ions, freeze thaw damage, efflorescence stains, and more.
• EASY TO APPLY – First step is to ensure your concrete surface is fully cleaned and clear of dirt, dust, grease, oil, efflorescence, etc. Use a low-pressure pump-up garden sprayer to evenly coat your driveway. Avoid puddling or ponding. 1 gallon will give 90-150 sq.ft. of coverage
• 3 YEAR WARRANTY – MasonryDefender offers a 3 Year Limited Warranty on Horizontal Concrete Surfaces

MasonryDefender

• An industrial-grade, water-based, proprietary sealer designed to densify, strengthen and waterproof concrete: increasing abrasion resistance while reducing moisture and vapor intrusion
• Prevents the growth of mold, mildew, efflorescence
• Reduces hydrostatic pressure, water vapor transmission, moisture intrusion and ASR
• Increases concrete’s abrasion resistance and strengthens concrete up to 50%
• Available in an industry first ultra-concentrate, 1 gallon of Lithi-Tek 9500 mixes with 4 gallons of water to make 5 gallons of sealer that will treat up to 1000 sq. ft. of concrete per coat.

Ghostshield

• Low VOC, Water Based Sealer & Curing Agent for All Rough Concrete & Masonry.
• Combats Freeze/ Thaw, Repels Water & Moisture.
• Limits Dirt Buildup, Retards Mold & Mildew.
• Resists Salts & Deicing Chemicals, Decreases Efflorescence & Dusting.
• Reduces Scaling & Spalling, Makes Easier to Clean.

Concrete Sealers USA

• Clear, Water Repellent Protection for All Exterior, Porous Masonry & Concrete Surfaces Including Concrete, Brick, Natural Stone, Sandstone, Limestone, Cultured Stone (Stone Veneer/Manufactured Stone), Granite, and More
• Waterproofs and Protects Masonry & Concrete Surfaces from Water Damage & Freeze/Thaw Damage
• 100% Breathable - Doesn't Form a Film, Allows Trapped Moisture to Escape Which Prevents Pitting, Cracking & Delaminating
• Water-Based/Eco-Friendly - Soap & Water Cleanup, Low Odor
• 5 Year Warranty on Vertical Concrete & Masonry Surfaces

MasonryDefender

• 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, mold, mildew, efflorescence
• 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.

Ghostshield

• Water based, breathable, high solids Silane Siloxane sealer that can be used on interior and exterior, vertical and horizontal concrete, brick, pavers, flagstone, and slate.
• The Armor SX5000 is approved by the Department of Transportation in several states as a water repellent sealer. Not only is it DOT approved, but it has been used by the DOT in several states to protect roadways and bridges against deterioration caused by freeze thaw cycles, staining, and the growth of mold and mildew.
• The Armor SX5000 will not change the look or color of the substrate, and it will not leave behind a visible surface film. It works entirely below the surface and will maintain the natural unsealed look of the substrate.
• The Armor SX5000 is manufactured in the USA! We do not use recycled or imported resins in our formulas.

Foundation Armor

• The Armor AR350 is a breathable, non-yellowing solvent based acrylic that will darken concrete and pavers to make them look wet, and provide a long lasting, durable low gloss finish.
• The Armor AR350 is manufactured in the US and made from non-recycled resins.
• The Armor AR350 is self-priming and can be applied to unsealed concrete and paver surfaces, as well as surfaces previously sealed with a solvent based acrylic sealer.
• The Armor AR350 will help to reduce damage and deterioration caused by surface abrasion such as dustring, cracking, spalling, and pitting.
• The Armor AR350 can last up to 1-3 years on exterior surfaces and up to 3-7 years on interior surfaces before the need for a recoat.

Foundation Armor

• 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

• 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

RadonSeal