Sikafloor® CureHard-24 Concrete Surface Hardener & Dust Proofer
Product Category: Construction Chemicals / Concrete Surface Treatment
Brand: Sika
Model Code: Sikafloor® CureHard-24
Description
Sikafloor® CureHard-24 is a high-volume solids, one-part, clear sodium silicate-based liquid used to harden, densify and seal fresh or hardened concrete surfaces.
The treatment reduces dust emissions, increases abrasion resistance, and improves the durability of concrete floors. It is suitable for both interior and exterior applications on new or existing concrete.
Usage
Sikafloor® CureHard-24 is used for:
Hardening and densifying concrete surfaces where light to moderate abrasion resistance is required
Dust-proofing prefabricated concrete elements
Suitable substrates
Horizontal old or new concrete surfaces
Prefabricated concrete elements
Typical application areas
Industrial buildings
Commercial buildings
Public buildings
Interior and exterior concrete floors
Advantages
Reduces dust emissions compared to untreated concrete
Increases abrasion resistance
Seals concrete surfaces
Very good yellowing resistance
One-part ready-to-use product
Easy application
High gloss appearance with regular cleaning
Odourless formulation
Packaging
One-part container
15 L container
200 L drum
(Refer to current price list for packaging availability)
Colour
Clear liquid
Product Information
Composition: Sodium silicate water dilution
Shelf Life: 24 months from date of production
Storage Conditions: Store in original unopened packaging in dry conditions between +5°C and +40°C
Density: 1.2 kg/L at +20°C (EN ISO 2811-1)
Solid Content by Mass: 24%
Sustainability & Certifications
Contributes toward LEED® v4 Materials & Resources (MR) Credit — Building Product Disclosure and Optimization
Environmental Product Declaration (EPD) according to EN 15804
CE Marking compliant with EN 1504-2:2004 — Surface protection systems for concrete
Technical Information
Abrasion Resistance:
Treated concrete: 1350 mg (H22 / 1000 g / 1000 cycles)
Untreated concrete: 270 mg
Approx. 81.5% increase in abrasion resistance
Impact Resistance: 60 Nm (Class III ≥ 20 Nm) — EN ISO 6272-1
Tensile Adhesion Strength: 4.8 N/mm² — EN 1542
Penetration Depth: Approx. 5.5 mm