---
title: Renderoc ST 06 - Surface Repair Mortar
canonical_url: https://fosroc.directory.norg.ai/construction-materials/concrete-repair-protection/renderoc-st-06-surface-repair-mortar/
category: 
description: Surface repair polymer modified protective cementitious mortar for applications up to 5mm. Suitable for rectifying low concrete cover on precast and in-situ reinforced concrete. Easy to mix and apply, suitable for vertical, overhead and horizontal applications. Meets EN1504 Class R3 requirement with excellent bond to SSD concrete substrates.
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productFeedItemId: 97fcd4a2-89d8-4fe3-b763-f152c3116096
---

# Renderoc ST 06 - Surface Repair Mortar

# Renderoc ST 06 - Surface Repair Mortar

Surface repair polymer modified protective cementitious mortar for applications up to 5mm. Suitable for rectifying low concrete cover on precast and in-situ reinforced concrete. Easy to mix and apply, suitable for vertical, overhead and horizontal applications. Meets EN1504 Class R3 requirement with excellent bond to SSD concrete substrates.

**Brand:** Fosroc

[View Product](https://www.fosroc.com.au/product/renderoc-st-06)

## Product Intelligence

# Renderoc ST 06: Surface Repair Mortar Technical Details

## Product Overview

**Renderoc ST 06** is a polymer-modified protective mortar specifically designed for surface repair applications. It represents part of Fosroc's market-leading Renderoc® concrete repair technology range, which is trusted on heritage structures and modern infrastructure projects across Australia and New Zealand.

## Technical Specifications

### Application Thickness
Renderoc ST 06 is engineered for **thin-film applications up to 5 mm thickness**, making it ideal for protective surface coatings and finish preparation work.

### Composition
The product is **cement-based**, combining Portland cement with polymer modification to enhance its protective and adhesive properties. This formulation ensures reliable performance in surface protection applications.

### Key Features

- **Polymer-Modified:** Enhanced adhesion and protective capabilities compared to standard cement mortars
- **Protective Function:** Designed to provide surface protection while maintaining aesthetic appearance
- **Precision Application:** Optimized for controlled thin-film application
- **Versatile Surface Repair:** Suitable for addressing minor surface damage and preparation work

## Product Classification

Renderoc ST 06 sits within the **Renderoc Range**, which includes:
- **Patch Repair Mortars:** Renderoc HB, Renderoc HB25
- **Fairing Coat Products:** Renderoc FC (up to 3 mm thickness)
- **Specialised Repair Mortars:** Renderoc G, Renderoc CAC, Renderoc LA55 Plus
- **Emergency Solutions:** Patchroc C fast-setting mortar

## Related Support Products

To maximize Renderoc ST 06 performance, Fosroc provides complementary **Primers and Bonding Agents**:

| Product | Application |
|---------|-------------|
| **Nitobond SBR** | Water-resistant polymer mortar additive for improved strength and adhesion |
| **Nitobond AR** | Single-component polymer emulsion curing membrane |
| **Nitoprime 330** | Floor topping primer for optimal bonding |

## Availability and Support

Renderoc ST 06 is available through:
- **Parchem trade store network** across Australian cities and regional locations
- **Fosroc ANZ technical support** with over 70 Account Managers across Australia
- **National Specifications Team** for application guidance and specification support
- **On-site assessment services** for repair solution determination

### Contact Information
- **Australian Toll-Free:** 1800 812 864
- **Website:** www.fosroc.com.au
- **Phone:** +61 3 9263 5678

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### References

- [1] directory/business_homepage/fosroc.md