Mapei

Mapefer 1K – Corrosion-Inhibiting Mortar for Reinforcing Steel Protection

Regular price
$37.90 AUD
Sale price
$37.90 AUD
Regular price

Prices shown exclusive of GST.

2 In Stock
Fast Delivery
Click & Collect

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
H2O SUPPLIES

Why Choose H2O Supplies?

Preferred by the Trade

Queensland’s leading waterproofing supply warehouse, trusted by waterproofers, tilers, and builders. We back our range with industry experience and product knowledge you can rely on.

Reliable Product Range

Stocking high-performance membranes, sealants, primers, and tools — carefully selected for proven results on commercial and residential projects.

Eco-Friendly & Sustainable

We prioritise products with low VOC content, cleaner application, and safer handling to help you maintain a compliant and environmentally conscious job site.
Recommended For You

You May Also Like

These popular picks are often added by trade professionals to complete their project kits.

Need help with Mapefer 1K – Corrosion-Inhibiting Mortar for Reinforcing Steel Protection?

We know the trade.
We know what works.

GET IN TOUCH
Customer Reviews

Experience The H2O Difference

Real feedback from tradies who rely on us every day.
5.00
James
Waterproofer Specialist
5.00
Ben
Project Manager
5.00
Mark
Professional Tiler
5.00
Liam
Flooring Contractor
5.00
Sergio
Project Design Manager
4.00
Harrison
DIY Home Renovator
5.00
Chris
Bathroom Renovator
5.00
Melissa
Contract Administrator
5.00
Mario
Concrete Repair Specialist