Concrete Render System
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Concrete Render System

Concrete Substrate Silicone or Acrylic Finish
System Build-Up

Layer-by-layer system specification

The Concrete Render System is Licata's render specification for direct application over concrete substrates. Aggrappante LG bonding primer is required to provide adhesion over the dense, low-absorption concrete surface. Raso R140 or Raso W160 can be specified as the basecoat.

The finish can be Siloxan Color silicone render or Lerici acrylic render depending on performance and budget requirements.

Concrete Render System Build-Up
System Layers

Products

1
Layer 1: Substrate Primer
Aggrappante LG
Spatterdash bonding primer, required on concrete substrates to provide mechanical adhesion for the basecoat. Concrete is dense and low-absorption; Aggrappante LG keys the surface and ensures a reliable bond throughout the render system. Apply a full even coat and allow to dry before the basecoat is applied.
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2
Layer 2: Basecoat
Raso R140 or Raso W160
Raso R140 is a polymer-modified cementitious basecoat well suited to concrete 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
3
Layer 3: 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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4
Layer 4: 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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5
Layer 5: 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

Aggrappante LG

Aggrappante LG

Spatterdash bonding primer. Layer 1, required on concrete for mechanical adhesion.

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Raso R140

Raso R140

Polymer-modified basecoat. Layer 2 option for concrete substrates.

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Raso W160

Raso W160

Lightweight polymer-modified basecoat. Layer 2 alternative option.

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Isolante LG

Isolante LG

Silicone topcoat primer. Layer 4, consolidates the basecoat and controls absorption for the render finish.

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Siloxan Color

Siloxan Color

Silicone render finish. Layer 5 option, water-repellent, breathable and anti-mould.

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Lerici

Lerici

Acrylic render finish. Layer 5 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