Basroc’s external wall cladding system has been engineered and tested to perform under pressure. Meeting the  all the fire performance benchmarks that matter in real-world construction.

Below, we outline how Basroc stands up to the core fire safety standards adopted across Australia and  internationally. If you’re comparing systems on fire performance, start here.

1. FRL 90/90/90 – Structural Adequacy.

Basroc maintains structural adequacy for 90 minutes during fire exposure. The wall system continues to bear  load without collapse. This performance confirms the panel’s ability to support structural integrity in high-risk  conditions, including multi-storey construction.

Structural adequacy ensures the wall remains stable during fire, allowing safe evacuation, limiting collapse risk,  and supporting compliance.

2. FRL 90/90/90 – Integrity

Basroc achieves 90 minutes of fire integrity. The system prevents flames and hot gases from passing through to  the non-exposed side. This rating ensures that wall penetrations, joints, and material interfaces maintain their  seal under fire conditions preserving the fire barrier function essential to passive fire protection systems.

Integrity stops fire from breaching compartments, protecting lives and adjacent structures.

3. FRL 90/90/90 – Insulation

The Basroc system limits heat transfer to the non-exposed side of the wall for 90 minutes. This level of thermal  insulation performance supports adjacent space protection and contributes to the delay of secondary ignition  risks.

4. AS 5113 – Facade System Testing

AS 5113 is Australia’s benchmark for assessing the fire performance of external wall systems in large-scale,  real-world conditions. It was introduced to address the limitations of small-scale material tests by evaluating  complete facade assemblies. Basroc has been tested against AS 5113 and demonstrated compliant  performance across all key criteria, including flame spread and system integrity. This standard tests how a full  wall system responds to fire under controlled but realistic conditions, including:

• Assessment of external flame spread across the facade system
• Evaluation of system integrity and resistance to fire penetration
• Measurement of heat flux and total heat release during fire exposure
• Observation of debris shedding and production of flaming particles
• Verification of fire containment across vertical and horizontal planes
• Full-system performance evaluation, including cladding, insulation, substructure, and cavity barriers  under large-scale fire conditions

5. BS 8414 – Large-Scale Fire Performance (UK Standard)

BS 8414 is a full-scale fire test developed in the UK to assess the fire performance of external cladding systems  on multi-storey buildings. A two-storey wall rig is constructed, incorporating the cladding, insulation, cavity  barriers, and fixings. A fire source is ignited at the base, and the system is evaluated for flame spread, structural  integrity, and fire propagation.

Basroc’s performance demonstrates containment, minimal vertical spread, and no system failure, meeting  criteria essential for fire-safe facade design in high-rise environments.

6. ISO 13785-2 – Large-Scale Fire Performance (International Standard)

ISO 13785-2 is the international counterpart to BS 8414, used to assess the fire behaviour of non-loadbearing  external wall assemblies under controlled, realistic fire conditions. The test involves exposing a multi-component  wall system to a gas burner simulating a severe fire at the base of a facade. Key metrics include ignition, flame  spread, and heat release rate. Basroc’s compliance confirms that the system resists fire escalation and meets  the expectations for international facade fire performance testing.

7. AS 1530.1 – Non-Combustibility

The Basroc panel’s core materials are tested in accordance with AS 1530.1, confirming their non-combustibility.  This satisfies key NCC compliance requirements and reduces the need for mitigation strategies.

Basroc’s core materials have been tested in accordance with AS 1530.1, Australia’s benchmark for determining  non-combustibility. Under this standard, the material is exposed to high temperatures to assess whether it  ignites, burns, or contributes to fire growth. Basroc passed these criteria, confirming its suitability for Type A and  B construction requiring non-combustible external wall systems.

8. EN 13501-1 – Class A1

Basroc components are suitable for projects that require Class A1-rated materials under EN 13501-1. This  classification confirms zero contribution to fire development, ignition, or flame spread.

Basroc is tested and classified under EN 13501-1, the European standard for assessing fire performance in  construction products. This testing evaluates how the system behaves when exposed to fire, measuring flame  spread, heat release, smoke production, and flaming droplets. Using the Single Burning Item (SBI) method,  Basroc achieved results that meet the strictest criteria. The system’s components align with the requirements for  a Class A1 rating, the highest possible classification, indicating that Basroc does not contribute to fire  development at any stage. It does not ignite, does not release significant heat, and produces minimal smoke or  flaming particles.

This level of compliance is critical for projects where facade and cladding systems must meet the most stringent  fire safety requirements. Basroc’s A1-aligned performance reflects not only material quality, but a deliberate  system-level approach to safety, suited to high-risk, multi-storey, and code-driven construction environments.

Build for Performance. Specify for Compliance.

Basroc isn’t retrofitted to meet these standards it was built with them in mind. If your next project requires proven  performance and certified fire compliance, Basroc delivers from the core out.

Understanding the rating systems.

FRL 90/90/90 Overview

The FRL is a measure of how long a building component can withstand fire, expressed in minutes across  three aspects. An FRL of 90/90/90 indicates that the component maintains all three aspects for 90 minutes.

• Structural Adequacy: The ability of a structure to maintain its load-bearing capacity during a fire. • Integrity: The ability to prevent flames and hot gases from passing through
• Insulation: The ability to limit temperature rise on the unexposed side.

AS 5113 Facade Test Outcome

AS 5113 is the Australian Standard developed to evaluate how an entire external wall system performs when  exposed to fire. Unlike small-scale material tests, AS 5113 assesses a full assembly cladding, insulation,  fixings, and barriers under conditions that replicate real-world fire scenarios. It’s a comprehensive test used  for high-rise and fire-sensitive projects.

The test covers:

• Flame spread across the facade surface
• Internal fire penetration through the system
• Heat release rate and heat flux
• Generation of flaming debris and falling particles
• System containment of vertical and lateral fire spread
• Interaction of all facade components under fire exposure

BS 8414 / ISO 13785-2 – Large-Scale Fire Test Overview

BS 8414 and ISO 13785-2 are international standards designed to assess how complete external wall  systems respond to fire under full-scale conditions. These tests simulate a severe fire at the base of a multi storey facade to evaluate how fire spreads, whether the system stays intact, and how components behave  together. They are widely used for compliance in high-rise and performance-based projects

The tests cover: 

• Vertical and lateral flame spread across the facade
• Structural and mechanical system stability under fire 
• Fire penetration through the cladding and insulation 
• Ignition of system components under thermal stress 
• Heat release rate and burn duration
• Effectiveness of cavity barriers and fire stops within the wall assembly

AS 1530.1 – Non-Combustibility Classification Overview

AS 1530.1 is Australia’s definitive test for determining whether a building material is non-combustible. It  subjects the material to sustained high temperatures in a furnace to observe whether it ignites, sustains  burning, or contributes to fire growth. This test applies to core materials not coatings or assemblies and is  critical for compliance in Type A and B construction.

The test covers:

• Whether the material ignites or sustains combustion
• Heat evolution during exposure
• Physical changes such as cracking, spalling, or deformation
• Flame emission or smoke generation 
• Stability under high thermal load over time
• Suitability for use where non-combustible materials are required by the NCC

EN 13501-1 – Non-Combustibility Classification Overview

EN 13501-1 is the European standard for classifying how construction materials respond to fire. It evaluates  flame spread, heat release, smoke production, and flaming droplets under controlled conditions. Materials are  assigned a fire class from A1 (no contribution to fire) to F (highly combustible). Class A1 is the highest rating  and indicates the product will not ignite or fuel a fire at any stage

The test covers:

• Flame spread across the surface of the material
• Total heat release during exposure
• Smoke production during combustion
• Formation of flaming droplets or particles
• Overall contribution to fire growth
• Suitability for high-risk or multi-storey buildings requiring Class A1-rated materials