Concrete Repair Render System
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Concrete Repair Render System

Concrete Repair Silicone or Acrylic Finish
System Build-Up

Layer-by-layer system specification

The Concrete Repair Render System combines Licata's concrete repair products with a full render system, treating the concrete substrate before overcoating with a decorative render finish. BetonFIP Passivante is applied first to passivate exposed reinforcement, followed by Repair 250 N structural repair mortar to restore the concrete profile.

Once the concrete repair is complete and cured, the render system continues with a Raso R140 or Raso W160 basecoat, fibreglass mesh, Isolante LG primer and a Siloxan Color or Lerici decorative finish.

Concrete Repair Render System Build-Up
System Layers

Products

1
Layer 1: Iron Protection
BetonFIP Passivante
Corrosion-inhibiting primer for exposed reinforcement bars, applied directly to cleaned, de-rusted steel before the concrete repair mortar is placed. BetonFIP Passivante re-establishes the alkaline environment around the reinforcement, inhibiting further corrosion and ensuring long-term bond between the steel and the repair mortar.
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2
Layer 2: Concrete Repair
Repair 250 N
Structural concrete repair mortar, applied over the passivated reinforcement to restore the concrete profile and cover depth. Repair 250 N is a polymer-modified, cementitious repair mortar compliant with EN 1504-3. Apply in layers as required to restore the full profile. Allow to cure fully before applying the render basecoat.
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3
Layer 3: Basecoat
Raso R140 or Raso W160
Raso R140 is a polymer-modified cementitious basecoat suited to concrete and repair substrates. Raso W160 is a lightweight polymer-modified alternative. Apply to the required thickness and embed the fibreglass mesh whilst still fresh.
Raso R140 Raso W160
4
Layer 4: Reinforcement
Fibreglass Mesh
Alkali-resistant fibreglass reinforcement mesh, embedded into the fresh basecoat. Minimum 100mm laps at all joints. Apply additional diagonal mesh at all openings and corners to prevent cracking.
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5
Layer 5: Topcoat Primer
Isolante LG
Silicone-based topcoat primer, applied over the fully cured basecoat to consolidate the surface and provide uniform, controlled absorption for the render finish.
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6
Layer 6: Render Finish
Siloxan Color or Lerici
Siloxan Color silicone render: highly water-repellent, breathable, anti-mould, with a wide colour range. Lerici acrylic render: cost-effective and durable, with a wide range of textures and colours.
Siloxan Color Lerici
Products in This System

Full system, supplied by Licata

BetonFIP Passivante

BetonFIP Passivante

Corrosion-inhibiting primer. Layer 1, applied to exposed reinforcement before repair mortar.

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Repair 250 N

Repair 250 N

EN 1504-3 structural repair mortar. Layer 2, restores concrete profile and cover depth.

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Raso R140

Raso R140

Polymer-modified basecoat. Layer 3 option for concrete and repair substrates.

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Raso W160

Raso W160

Lightweight polymer-modified basecoat. Layer 3 alternative option.

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Isolante LG

Isolante LG

Silicone topcoat primer. Layer 5, consolidates the basecoat and controls absorption for the render finish.

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Siloxan Color

Siloxan Color

Silicone render finish. Layer 6 option, water-repellent, breathable and anti-mould.

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Lerici

Lerici

Acrylic render finish. Layer 6 option, cost-effective, with a wide colour and texture range.

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Specify this render system

Contact our technical team for product quantities, NBS specification clauses and project-specific advice.

Contact Technical Team All Render Systems