Concrete Floor Densifiers and Hardeners

These unique chemicals react with the concrete at the molecular level and work to fill concrete’s natural pores, making the surface more dense. This helps to make the surface resistant to oil and water spills, and it also helps reduce dusting. The denser the concrete, the better the results will be in the concrete floor polishing process.

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  1. PROSOCO Consolideck® LS Premium Sealer, Hardener & Densifier

    Consolideck LS Premium Sealer, Hardener, & Densifier is is a penetrating lithium silicate treatment that produces better initial and ultimate hardness in broom-finished, troweled, and burnished concrete surfaces. Treated surfaces resist damage from water and surface abrasion.

    • Penetrating lithium silicate treatment
    • Works on various types of concrete floors
    • pH: 11.0
    • Easy one-step application
    • Coverage: 500 to 1,000 sq ft per gallon

    Starting at: $45.30

  2. PROSOCO Consolideck® LS/CS Densifier

    Consolideck LS/CS is a penetrating lithium-silicate treatment that reacts with concrete to produce insoluble calcium silicate hydrate within the concrete pores. It densifies and hardens the concrete, and it renders treated floors dustproof.

    • Ideal for concrete dustproofing applications
    • Use on any age concrete
    • Will not contribute to ASR
    • Easy, one-step application
    • Coverage: 400 to 800 sq ft per gallon

    Starting at: $27.33

  3. PROSOCO Consolideck® Blended Densifier

    Consolideck Blended Densifier penetrates deep into steel-troweled or burnished concrete floors to create a harder, denser surface that can be burnished to achieve a quick sheen. After application, most floors can be opened to traffic within an hour, making this a great product for high-traffic areas with no tolerance for downtime.

    • Easy, one-step application
    • Designed for steel troweled, power troweled, or burnished concrete finishes
    • pH: 11.5
    • VOC compliant, nonflammable, non-toxic, low odor
    • Coverage rates: 400–800 sq ft per gallon

    Starting at: $175.68

  4. Ameripolish® 3D HS Densifier

    Combining three different densifiers and with three different sizes of molecule silicates, Ameripolish 3D HS Densifier is a versatile product that penetrates concrete pores, regardless of region or hardness. It helps to prevent liquid staining and etching damage, plus it enhances color, gloss, and clarity.

    • Combines three different sizes of molecule silicates into one formula
    • Hardens deep within concrete slab to improve durability even after grinding
    • Minimizes dust for healthier indoor air quality
    • Coverage: 600–800 square feet per gallon

    Starting at: $207.81

  5. Ameripolish® 3D HSL Densifier

    3D Hybrid Silicate Densifier combines three densifiers with lower solids into one complete formula designed to penetrate even the most dense and difficult surfaces. It improves surface performance and resists the harmful effects of traffic wear and weathering.

    • Combines three molecule silicates with low solids into one formula
    • Hardens deep within concrete slab to improve durability even after grinding
    • Provides superior stain resistance
    • Coverage: 600–800 square feet per gallon

    Starting at: $103.90

  6. Ameripolish® PCA Curing Agent

    Ameripolish PCA Curing Agent is a high-penetrating agent that chemically hardens concrete, resulting in improved abrasion and scratch resistance without forming a coating or film. PCA also reduces efflorescence and minimizes dust, promoting healthier indoor air quality.

    • Chemically hardens and dust-proofs concrete
    • Improves cure by retaining slab moisture
    • High-penetrating, non-film-forming
    • Ideal for use on new concrete
    • Coverage: 1,000–1,500 sq ft per gallon

    Starting at: $199.00

  7. Endurable Concrete Hardener™

    Endurable Concrete Hardener contains nearly 100% colloidal silica sized between 3–8 nanometers. This water-based formula leaves concrete surfaces harder and more moisture- and abrasion-resistant than other silicates.

    • Increases surface hardness and compressive strength
    • 100% silica formula
    • Small particle size: 3–8 nanometers
    • Fast reaction times; dries in under 1 hour
    • Coverage: 300–700 sq ft per gallon, depending on surface porosity

    Starting at: $92.00


    FGS HARDENER PLUS is a proprietary, chemical hardening solution that is formulated to increase the wear resistance and surface strength of concrete floors that have been mechanically ground, smoothed, and polished.

    • Sodium-based silicate hardener and densifier
    • For polished concrete
    • Time-tested performance

    Starting at: $271.91

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