Sika MonoTop-613 IND | FIBRE REINFORCED CEMENTITIOUS REPAIR MORTAR

Product Category: Concrete Repair Mortar Brand: Sika Model Code: Sika MonoTop®-613 IND

Description

Sika MonoTop®-613 IND is a 1-component polymer-modified, fibre-reinforced cementitious repair mortar, designed for repair and refurbishment of damaged concrete, especially in vertical and overhead applications.

Applications

• Repair of damaged and spalled concrete

• Repair of honeycombed concrete

• Structural refurbishment works

• Vertical and overhead concrete repair

• Areas affected by reinforcement corrosion

System Use

• Used together with:

  • Sika MonoTop®-610 (bonding primer & corrosion protection)

Key Features

• Just add water (easy to use)

• Excellent workability and consistency control

• Thixotropic → ideal for vertical & overhead use

• High mechanical strength

• Good frost resistance

• Can be applied up to 40 mm thickness

• Non-toxic and non-corrosive

Product Information

• Type: Fibre-reinforced repair mortar

• Packaging: 25 kg bag

• Appearance: Grey powder

• Shelf Life: 9 months

• Storage: Dry, cool, shaded conditions

• Density: ~2.05 kg/L

Technical Data

Strength Performance

• Compressive Strength:

  • 1 day: ~12 N/mm²

  • 7 days: ~35 N/mm²

  • 28 days: ~45 N/mm²

• Flexural Strength:

  • 1 day: ~5.0 N/mm²

  • 7 days: ~8.0 N/mm²

  • 28 days: ~10.0 N/mm²

• Adhesion Strength:

  • ~1.5 N/mm² (concrete failure)

Mixing Ratio

• Approx. 3.25 L water per 25 kg bag

• (~0.13 L per 1 kg powder)

Consumption

• ~18.5 – 19.5 kg/m² per 10 mm thickness

• (~1.9 kg/m² per 1 mm thickness)

Layer Thickness

• Minimum: 5 mm

• Maximum: 40 mm (vertical)

Application Conditions

• Temperature: +5°C to +35°C

• Pot Life: ~25 minutes (at 30°C)

Surface Preparation

• Substrate must be:

  • Clean

  • Sound

  • Free from dust, oil, grease

• Remove:

  • Weak concrete

  • Cement laitance

• Roughen surface for better bonding

Mixing Instructions

• Add water into container

• Slowly add powder while mixing

• Mix for ~3 minutes

• Use low-speed mixer (≤500 rpm)

Application Method

• Apply on saturated surface (SSD condition)

• Use trowel or spatula

• Apply in layers if thickness >40 mm

• Smooth with float after initial set

Important Notes

• Do NOT add extra water after mixing

• Keep surface moist during curing

• Protect from fast drying (sun/wind)

Recommended System

• Use SikaTop 121 as bonding coat for better adhesion

• Use SikaTop 121 for fine finishing

Cleaning

• Clean tools with water immediately

• Hardened material → mechanical removal

Performance Advantages

• High strength concrete repair

• Excellent bonding to substrate

• Suitable for structural repair

• Crack-resistant due to fiber reinforcement

• Long-lasting durability

Safety & Handling

• Follow Safety Data Sheet (SDS)

• Use proper PPE

• Store in sealed packaging

Additional Notes

• Lab-tested values

• Site conditions may affect performance

• Local regulations may vary

Summary

Sika MonoTop®-613 IND is a high-performance concrete repair mortar, offering strong adhesion, high strength, and excellent workability, making it ideal for repairing damaged concrete in vertical and overhead applications.