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