Top 10 Best concrete densifier in 2026

Last Updated - 6/9/2026

🏆Best Choice

Ghostshield

Lithi-Tek 9500 Ultra Concentrate - 1 Gallon (Makes 5 GALLONS) Penetrating Concrete Sealer, Waterproofer Plus Densifier

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•An industrial-grade, water-based, proprietary sealer designed to densify, strengthen and waterproof concrete: increasing abrasion resistance while reducing moisture and vapor intrusion
•Prevents 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.

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$99.88

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Ghostshield

Ghostshield 1 gal. Invisible Penetrating Concrete Sealer Plus Densifier and Hardener 4500

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Increases abrasion resistance by up to 50% - Tightly binds together concrete reducing concrete dusting. Provides ease of maintenance to provide long-lasting protection on substrates subject to traffic
•One-time permanent application eliminating the need for re-application
•Increased performance of topcoat sealers when used as a densifying primer
•Does not alter surface appearance - The treated surface is natural, tack-free and slip-resistant
•Water-based - Proprietary, environmentally friendly formula with no odor, no VOC’s

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$79.88

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Serveon Sealants

Serveon Sealants Concrete Driveway Sealer Plus Penetrating Concrete Densifier (Clear Natural Finish) Commercial Grade Outdoor Indoor Waterproof Sealant Protects Pavers Sidewalks Pools (1 Gallon) H2100

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•PENETRATING CONCRETE SEALER: All-purpose concrete driveway sealer, which includes our concrete densifier formula, provides an impenetrable barrier from moisture and saltwater erosion. This deep penetrating sealant is ideal for both indoor and outdoor concrete surfaces such as concrete walkways, sealer for pavers, pool decks and it’s ready to use. No mixing required!
•NATURAL CLEAR FINISH: With a fast dry time of under 2-hours, this sealer for driveway concrete provides a natural look finish and will not change the color of your concrete surface. Our concrete sealers for pools and pavers provide protection for up to 3 years. Easy to apply with roller brush, pump up sprayer or hand brush.
•STRENGTHENS CONCRETE SURFACES: Sidewalk sealer includes our advanced proprietary concrete hardener formula which reacts with concrete to fill vacant pores, strengthening and hardening the surface and improving water-resistant protection. Protection against surface damage, cracks and pitting.
•SAFE WATER-BASED FORMULA: VOC compliant water-based concrete sealer outdoor deeply penetrates surfaces providing powerful protection including preventing unsightly efflorescence, which are the white deposits that can appear on surfaces due to moisture loss.
•MADE IN THE USA: Serveon Sealants designs and manufacturers it’s advanced water sealant products in Houston, Texas. Our concrete sidewalk sealant and driveway sealant products are available in 1-Gallon options, as well as a select offering of 1-quart size bottles for smaller projects. Coverage area estimates 200 – 450 square feet per gallon and 50 – 100 square feet per quart.

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$64.95

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Prosoco

Prosoco LS/CS | Reactive Silicate Hardener/Densifier and Dustproofer for Concrete - Trusted by Professionals

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Easy, one step application. No scrubbing. No f lushing. No caustic wastewater.
•Penetrates and reacts quickly to produce better initial hardness.
•Performance of treated floors improves with traffic and maintenance.
•Cures quickly. Most floors can be opened to traffic within one hour of treatment.
•Gloss and hardness do not reduce slip resistance.

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$40.10

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Sakrete

Sakrete Concrete Bonder & Fortifier - 1 gal. (1)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Improves tensile, flexural, and compressive strength in cementitious mixes
•Increases resistance to freeze-thaw cycles, salt, and chemical damage
•Increases bond strength to concrete, brick, block, terrazzo, metal, wood, glass, and many substrates
•Creates more durable cement-based materials

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$38.99

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Foundation Armor

Armor S2000 Sodium Silicate Concrete Densifier and Surface Hardener - 1 Gallon - Ready to Use

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•PROFESSIONAL GRADE SODIUM SILICATE SEALER: The Armor S2000 chemically reacts with the free lime and calcium in the concrete to form a permanent Calcium Silicate Hydrate crystalline structure within the pores.
•INCREASES STRENGTH UP TO 45%: The CSH crystals formed during the chemical reaction will help to increase the strength of concrete by up to 45%.
•REDUCES DUSTING AND DETERIORATION: The increased strength and density gained by the formation of the CSH crystals in the pores will help to reduce dusting and deterioration caused by surface abrasion.
•WON’T CHANGE THE LOOK OR COLOR: The Armor S2000 works entirely below the surface and won’t leave behind a visible film or coating. The concrete will look and feel natural.
•LONG LASTING: The CSH crystals left in the pores of the concrete are permanent and can only be removed by means of mechanical grinding.
•READY TO USE: The Armor S2000 is ready to use. Simply add to a sprayer and apply! One gallon covers up to 200 square feet per gallon. Smooth, absorbent surfaces can get up to 400 square feet per gallon.
•EASY TO MAINTAIN: There is no maintenance with the Armor S2000. Once applied, you don’t need to apply it again unless you desire an even stronger surface.
•VERSATILE: The Armor S2000 is great for use on existing concrete. It is also used by many concrete professionals on new concrete pours to help increase the strength and density during the curing process.

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$74.99

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Prosoco

PROSOCO LS | Premium Concrete Sealer, Hardener & Densifier - Trusted by Professionals

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Easy, one step application. No scrubbing. No f lushing. No caustic wastewater.
•May be applied to broom finished, steel troweled, power troweled or burnished concrete finishes.
•Provides better abrasion resistance than conventional hardeners.
•Produces a fast surface gloss which improves with traffic and maintenance.
•Cures quickly. Most floors can be opened to traffic within one hour of treatment.

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$63.36

$67.85

-7%

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Rainguard International

Rain Guard Water Sealers CR-0801 Micro-Seal Concrete Densifier LS Covering up to 800 Sq. Ft. on Horizontal Surfaces. Can Produce a Gloss Finish. 1 Gallon 100% Lithium Silicate Professional Grade

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•One coat application with sprayer or microfiber pad
•Converts calcium hydroxide to calcium hydrate
•Creates a much harder surface and prevents chalking
•Does not generate hazardous wastewater
•Better abrasion resistance than other types of sealers.

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$50.55

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Generic

Concrete Densifier A5000 Sodium Silicate Hardener, Ready to Use, 1 Gallon

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Effective Densifier: This sodium silicate hardener penetrates and reacts with concrete to densify and harden the surface. it penetrates in to the concrete and does not leave a surface film.
•Ready to Use: Conveniently comes pre-mixed and ready for application, saving time and effort. Can be applied using a low-pressure sprayer, roller, or brush for versatile and efficient application.
•Large Coverage: The 5-gallon package covers 1500-2000sf in total or 750-1000sf twice. We recommend two applications for even coverage.
•Durable Protection: Enhances concrete's strength, increases abrasion resistance, reduces moisture penetration, and chemical attack for long-lasting performance.
•Odorless, 0% VOC, Breathable and UV resistant. Made in USA.

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$68.99

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Walttools

Sodium Tru Hard | Sodium Silicate Concrete Densifier & Hardener (1 gal)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Fills the pores of the concrete just below the surface and deeply into the concrete and provides a positive seal that resists deicing chemicals, water, grease and oil
•Prevents “dusting” of new and old concrete floors and will seal the concrete to significantly reduce the level of radon gas
•Highly effective in making concrete physically stronger and denser protecting it against frost and salt while increasing its resistance to stains, acids, alkali, moisture, mold and mildew
•Used as an economical polishing aid in floor and concrete countertop diamond polishing
•Generally used on interior or exterior concrete for sealing and dust-proofing in one operation on warehouse floors food storage areas educational and medical facilities

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$21.00

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