Sika MonoTop-4012 is a 1-part, cementitious, fibre reinforced, low shrinkage repair mortar. It contains recycled waste materials and can reduce the carbon footprint application activity calculations.

May only be used by experienced professionals.

Repairs to all types of reinforced concrete structures and components for:

• Buildings
• Civil engineering structures
• Marine structures
• Dams
• Structures requiring a Class R4, R3, R2 or R1 mortar
• Interior and exterior use

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• Features & Benefits
• Environmental Information
• Approvals/Standards
• System Structure

Features & Benefits

• Uses recycled waste materials
• Layer thickness 6–120 mm
• Sulphate resistant
• Hand and machine application (wet spray technique)
• Easy to apply
• Very low shrinkage behaviour
• Does not require a bonding primer
• Low permeability
• A1 fire rating
• Class R4 of EN 1504-3
• Restoration work (Principle 3, method 3,1 and 3,3 of EN 1504-9). Repair of spalling and damaged concrete in infrastructure and superstructure works
• Structural strengthening (Principle 4, method 4,4 pf EN 1504-9). Increasing the bearing capacity of the concrete structure by adding mortar
• Preserving or restoring passivity (Principle 7, method 7,1 and 7,2 of EN 1504-9) - Increasing cover with additional mortar and replacing contaminated or carbonated concrete

Environmental Information

• Conformity with LEED v4 MRc 2 (Option 1): Building Product Disclosure and Optimization – Environmental Product Declarations
• Conformity with LEED v4 MRc 3 (Option 2): Building Product Disclosure and Optimization - Sourcing of Raw Materials
• Conformity with LEED v4 MRc 4 (Option 2): Building Product Disclosure and Optimization - Material Ingredients
• IBU Environmental Product Declaration (EPD)

Approvals/Standards

CE Marking and Declaration of Performance to EN 1504-3 - Concrete repair product for structural repair

System Structure

Bonding primer/ Reinforcement corrosion protection

• Sika MonoTop-1010 (Normal Use)
• SikaTop Armatec 110 EpoCem (Demanding requirements)

Concrete Repair Mortar

• Sika MonoTop-4012 (High strength requirements)

Pore Filler/ Smoothing Coat / Levelling Mortar

• Sika MonoTop-3020 (Normal use)
• Sikagard-720 EpoCem (Demanding requirements)

Limitations

• Avoid application in direct sun and/or strong winds.
• Do not add water over recommended dosage.
• Apply only to stable, prepared substrates.
• Do not add additional water during the surface finishing as this can cause discolouration and cracking.
• Protect freshly applied material from freezing.
• Do not feather edge.