Mapei Mapefer 1K - Corrosion-Inhibiting Primer
Mapei Mapefer 1K - Corrosion-Inhibiting Primer - 4 x 5Kg is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Place your order before 3pm for next working day delivery.
Please note: Additional delivery charges may apply for Northern Ireland, Isle of Wight, Isle of Man, Isles of Scilly, Scottish Highlands & Islands, and Channel Islands. We will contact you to inform you of any additional costs once your order is received, or you can call us on 0800 111 4898 beforehand to confirm.
Description
Description
Corrosion-Inhibiting One-Component Primer for Steel Reinforcement Protection
Mapei Mapefer 1K is a one-component, ready-to-use, anti-corrosion cementitious coating specifically designed for protecting reinforcing steel in concrete repair applications. It forms a durable, flexible barrier against aggressive environmental agents such as chlorides and carbon dioxide, and ensures excellent adhesion between steel and repair mortars. Mapefer 1K complies with EN 1504-7 standards for corrosion protection and is an essential part of long-term concrete remediation systems.
Key Features & Benefits
- Corrosion Protection: Provides a strong barrier against water, chlorides, carbon dioxide, and sulphates.
- EN 1504-7 Certified: Meets European standards for steel reinforcement corrosion protection.
- Excellent Bonding: Promotes adhesion between treated steel and Mapei repair mortars.
- Ready-to-Use: One-component formula for easy mixing and site application.
- Flexible & Crack-Resistant: Remains bonded during steel expansion and contraction cycles.
Product Details
- Type: Cementitious, polymer-modified, anti-corrosion coating
- Form: Grey powder, mixed with water
- Application Method: Brush or spray
- Packaging: 5kg buckets
- Mix Ratio: Approx. 0.17–0.18L water per kg of powder
- Pot Life: Approx. 1 hour at +20°C
- Application Thickness: Two coats, total approx. 2 mm
- SKU: MAPEFER1K5
Application Instructions
- Steel Prep: Mechanically remove all rust, scale, grease, and contaminants from reinforcement bars (minimum to SA 2½).
- Mixing: Slowly add Mapefer 1K powder to water and mix until a smooth, lump-free paste is formed.
- First Coat: Apply the first coat by brush and allow it to dry for at least 2 hours.
- Second Coat: Apply the second coat in the opposite direction. Allow full drying before applying repair mortar.
Limitations
- Do not apply below +5°C or above +35°C ambient temperature.
- Not suitable as a standalone structural repair product — use in combination with Mapei mortars.
Health & Safety
Contains cement — may cause irritation. Avoid skin and eye contact. Wear gloves, goggles, and a dust mask. Refer to the Safety Data Sheet (SDS) for full handling guidance.
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