Sika MonoTop 612

MonoTop 612 Features

Sika MonoTop-612 is a single-component, fibre-reinforced structural repair mortar containing silica fume, complying with EN 1504-3 Class R3 (structural repair grade). Simply add water and mix. Suitable for thick-layer vertical and overhead repairs with high mechanical strength, excellent bond and durability. Generally no primer needed for hand application; also compatible with mechanical wet-spray equipment.

• EN 1504-3 Class R3 structural repair compliance
• Fibre-reinforced — excellent crack resistance
• Silica fume enhanced — dense microstructure, high durability
• No primer for hand application
• Hand or mechanical spray application
• Fire rating A1 (non-combustible)
• WRAS approved for drinking water contact
• Single-component, just add water

Applications

• Concrete spalling repair on structures
• Thick-layer vertical and overhead repairs
• Bridge, tunnel and infrastructure structural restoration
• Drinking water facility concrete repair
• Building facade, column and beam concrete repair

Why Choose MonoTop 612?

• R3 structural grade: Meets structural repair requirements with high mechanical strength
• No primer needed: Hand application without additional priming saves steps and time
• Thick single-layer application: Reduces number of application layers for efficiency
• Drinking water certified: WRAS approved for concrete facilities in contact with potable water
• Flexible application: Hand trowel or mechanical spray — both effective

Packaging

Bag supply, contact for specific weights.

Notes

• Substrate must be clean and sound; remove all loose and deteriorated concrete
• Exposed reinforcement must be derusted; consider applying anti-corrosion primer
• Water addition must follow specified ratio precisely
• Proper curing required after application to prevent rapid drying
• Low temperatures extend setting time

For detailed application methods, coverage rates and technical parameters, please refer to the official product data sheet.