Sika MonoTop-4200 Multi Flow – Repair Mortar – 25 kg – Grey

Here’s an overview of the characteristics and benefits of this product:

Main Characteristics

1. Versatility: Sika MonoTop-4200 Multi Flow can be used for both structural repairs and for re-profiling concrete surfaces.
2. Easy Application: The mortar can be applied manually or by spraying, making it suitable for various types of projects.
3. Excellent Fluidity: Its formulation allows for an easy pourable application, ensuring good coverage even on complex surfaces.
4. Adjustable Setting Time: The mortar sets quickly but can be adjusted based on the project requirements.
5. Durability: Formulated to resist harsh weather and aggressive environments, this mortar is durable and protects concrete against chemical agents.

Advantages

• Convenience: The product is ready to use; it only needs to be mixed with water for application.
• Suitable for Repairs of All Sizes: Whether for small cracks or larger damaged areas, Sika MonoTop-4200 Multi Flow provides a fast and effective solution.
• Excellent Adhesion: It ensures strong adhesion to concrete substrates, guaranteeing a solid, long-lasting repair.
• Compliance with Standards: This product meets international standards for structural concrete repairs, making it reliable for large-scale or sensitive projects.

Application Areas

Sika MonoTop-4200 Multi Flow is suitable for:

• Repairing damaged concrete surfaces.
• Strengthening and protecting concrete structures exposed to harsh conditions (such as moisture, salts, or chemical agents).
• Re-profiling of floors and concrete surfaces.

Usage Tips

• Surface Preparation: The concrete surface should be clean, free from dust, grease, and any other substances that could affect adhesion.
• Mixing: Mix the product with the recommended amount of water according to the manufacturer’s instructions.
• Application: Apply the mortar by pouring or spraying, depending on the project’s requirements.

Conclusion

Sika MonoTop-4200 Multi Flow is a professional repair mortar, ideal for construction companies or contractors looking for an efficient and durable solution for both structural and aesthetic concrete repairs.

Technical Characteristics of Sika MonoTop-4200 Multi Flow

Below are the main technical characteristics of Sika MonoTop-4200 Multi Flow, making it an especially effective product for concrete repair and re-profiling jobs:

1. Composition

• Type: Single-component repair mortar based on cement.
• Composition: A mixture of cement, specific additives, and selected aggregates.

2. Mechanical Properties

• Compressive Strength:
  • 1 day: approx. 20 MPa
  • 7 days: approx. 45 MPa
  • 28 days: approx. 60 MPa
• Flexural Strength:
  • 1 day: approx. 4 MPa
  • 28 days: approx. 8 MPa

3. Setting Time

• Working Time: 20 to 30 minutes, depending on temperature and humidity conditions.
• Initial Setting Time: approx. 2 hours.
• Full Curing: 28 days for maximum strength.

4. Application

• Application Thickness: From 5 mm to 100 mm per layer.
• Density: 2.2 kg/L (density of fresh mortar).
• Consumption: Approx. 1.9 kg per m² per mm of thickness.

5. Physical and Chemical Properties

• Adhesion: Excellent adhesion to concrete, exceeding 2 MPa after 28 days (according to EN 1542).
• Shrinkage: Very low, minimizing the risk of cracking.
• Durability: Resistant to freeze/thaw cycles and salt exposure (tested according to EN 1504 standards).

6. Application Conditions

• Ambient Temperature: 5 °C to 35 °C.
• Substrate Moisture: The concrete should be saturated at the surface, but without standing water, to ensure good adhesion.

7. Certification

• Compliance: Meets the EN 1504-3 standard (class R4), ensuring high strength and durability for structural concrete repairs.

8. Other Properties

• Fluidity: Excellent fluidity, allowing for application by pouring or spraying.
• Color: Gray, suitable for blending naturally with concrete.

Summary

Sika MonoTop-4200 Multi Flow is a high-performance mortar combining strong mechanical strength, good workability, and durability under extreme conditions (humidity, freeze/thaw cycles, and chemical exposure).