Product Facts
- Product Name
- Renderoc HB25 - High Build Repair Mortar
- Price
- Available
- Availability
- In Stock
- Condition
- New
- Category
- Construction Materials > Concrete Repair Products
- Seller
- Fosroc Workspace
- MPN
- FC387080-20KG
Renderoc HB25 - High Build Repair Mortar
Renderoc HB25 is a high build, shrinkage compensated concrete repair mortar for patching up to 1m² sections in concrete up to 30 MPa. It can be applied to vertical concrete patches up to 80mm deep. Suitable for use with Galvashield anode protection systems. Features polymer-modification for extremely low permeability to water, carbon dioxide and chlorides, with exceptional shrinkage compensation for long-term dimensional stability.
Product Data (OpenAI Spec)
View Full JSON Spec ↗Specifications
| Condition | new |
|---|---|
| Category | Construction Materials > Concrete Repair Products |
Product Intelligence
Renderoc HB25 - Technical Details, Specifications, and Features
Product Overview
Renderoc HB25 is a vertical patch repair mortar manufactured by Fosroc, designed specifically for localised and small to medium section concrete repairs on vertical surfaces. It represents a key product within the Renderoc® concrete repair range, which is market-leading concrete repair technology trusted across heritage structures and modern infrastructure projects.
Technical Specifications
Thickness and Application
| Specification | Details |
|---|---|
| Thickness Range | 10–80 mm |
| Application Orientation | Vertical patches (vertical surfaces) |
| Coverage Type | Localised and vertical patch repairs |
Compressive Strength
| Specification | Details |
|---|---|
| Compressive Strength | 23 MPa |
| Classification | Cement-based repair mortar |
Key Features
Renderoc HB25 is characterised by the following features:
- Shrinkage Compensation: The product includes shrinkage compensation features, which help minimise cracking and reduce the risk of bond failure over time
- Cement-Based Formulation: A traditional cement-based repair mortar providing reliable performance and proven durability
- Vertical Surface Capability: Specifically engineered to perform on vertical and overhead surfaces with thicknesses up to 80 mm when applied vertically
- Localised Repair Focus: Designed for patch repairs of concrete damage including spalling, deterioration, and structural concrete defects on vertical faces
Related Product Context
Renderoc HB25 sits within the broader Patch Repair Mortars category of the Renderoc® range, which includes other specialised products:
| Product | Application | Thickness | Strength |
|---|---|---|---|
| Renderoc HB | Large area and localised patch repairs | Up to 80 mm vertical | 28 MPa |
| Renderoc HB25 | Vertical patches | 10–80 mm | 23 MPa |
| Renderoc FC | Fairing coat | Up to 3 mm | N/A |
| Renderoc ST 06 | Surface repair | Up to 5 mm | N/A |
Manufacturer Information
Renderoc HB25 is manufactured by Fosroc, a construction chemicals company with over 80 years of heritage. In Australia and New Zealand, Fosroc products are manufactured and distributed by Parchem Construction Supplies Pty Ltd under licence.
Fosroc Company Details
- Founded: 1934 in the United Kingdom
- Global Presence: Operates in 76 countries with approximately 3,000 employees
- Manufacturing: 20 manufacturing plants worldwide
- Australian Headquarters: Lucca Road, Wyong, NSW, Australia
- Acquisition: Saint-Gobain completed its acquisition of Fosroc International on 10 February 2025
Application Suitability
Renderoc HB25 is recommended for:
- Concrete Repair Solutions: Designed for localised vertical patch repairs within comprehensive concrete repair solutions
- Infrastructure Applications: Suitable for repairing spalled concrete on bridges and infrastructure projects
- Heritage Structures: Trusted on heritage structure repairs across Australia and New Zealand
- Vertical Surface Repairs: Optimal for repairs on vertical and overhead concrete surfaces
Technical Support
Fosroc provides comprehensive technical support for Renderoc HB25 through:
- National Specifications Team: Expert support for architects, engineers, and specifiers
- Product Recommendations: Tailored product and application guidance
- On-site Training: Hands-on product application training
- Account Manager Network: Over 70 account managers across Australia for technical problem-solving
References
- [1] directory/business_homepage/fosroc.md