Mapefer 1K – Corrosion-Inhibiting Mortar for Reinforcing Steel Protection
- Regular price
- $37.90 AUD
- Sale price
- $37.90 AUD
- Regular price
-
- Unit price
- / per
Prices shown exclusive of GST.
Mapei Mapefer 1K is a one-component, cementitious anti-corrosion mortar designed to protect steel reinforcement in concrete repairs. It provides both a corrosion-inhibiting barrier and a bonding bridge between the reinforcing steel and repair mortar.
Formulated with polymer-modified binders and corrosion inhibitors, Mapefer 1K forms a durable, impermeable coating that prevents rust and chloride attack. The product meets the performance expectations of AS 3600 – Concrete Structures for reinforcement protection and is suitable for use with Mapei’s Mapegrout structural repair systems.
• Provides long-term protection for steel reinforcement in concrete
• Restores alkalinity around corroded steel
• Excellent adhesion to both steel and repair mortars
• Impermeable to water and aggressive gases
• Compatible with all Mapegrout repair mortars
• Easy to apply by brush in two coats
• Suitable for internal, external, and marine concrete structures
• Protective coating for reinforcement before applying repair mortars
• Corrosion treatment for exposed or cleaned steel bars
• Bonding bridge between steel reinforcement and concrete patch repairs
• Structural repairs on balconies, columns, beams, and retaining walls
• Suitable for marine, infrastructure, and commercial concrete repair work
• Type: Cementitious anti-corrosion mortar
• Colour (mixed): Blue
• Mixing ratio: 5 kg powder with 1.0–1.1 L water
• Application temperature: +5°C to +35°C
• Pot life: Approx. 1 hour @ 20°C
• Dry film thickness: 2 mm (two coats)
• Waiting time between coats: ~2 hours
• Wait before repair mortar: 6–24 hours
• Coverage: 100–200 g/m of steel
• Packaging: 4 × 5 kg bags per carton
- anti-corrosion mortar
- concrete repair system
- mapefer
- mapegrout compatible
- Mapei
- rebar coating
- reinforcement primer
- steel protection
Why Choose H2O Supplies?
Preferred by the Trade
Reliable Product Range
Eco-Friendly & Sustainable
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"Product recommendations for concrete repair have been spot-on. Materials hold firm, cure quickly, and help us keep tight schedules without sacrificing quality."

