Structural steel fire protection is one of the most consequential specification decisions on any commercial or industrial project. Get it right, and you have a building that performs as designed under extreme conditions. Get it wrong, and the consequences extend well beyond a compliance deficiency: think project delays, costly remediation and potential liability.
The challenge for specifiers and contractors is that not all fire protection suppliers operate to the same standard. Products vary in their testing rigour, documentation quality, and technical support depth. Asking the right questions before you commit to a supplier can make the difference between a smooth approval process and a last-minute scramble to meet NCC requirements.

Here are the six questions every specifier and contractor should ask.
Are Your Products Tested and Certified Against Australian Standards?
This is the foundation of any credible supplier relationship. Structural steel fire protection products used in Australia must be tested in accordance with AS 1530.4, which sets out the methods for fire resistance testing of elements of construction.
Ask the supplier to provide test evidence that demonstrates their products have been assessed under these standards, not just international equivalents. Some suppliers reference European or North American test data and assume equivalence, but that assumption can create compliance gaps when your certifier or building surveyor reviews the documentation.
Verified, Australian standard-specific test data gives you the confidence to specify with accuracy and protects your project from challenges at the approval stage.
Can You Provide Full Compliance Documentation for NCC 2025 Requirements?
Documentation requirements have become more rigorous under the NCC 2025, and structural fire protection is no exception. Specifiers and contractors now need to demonstrate that the products they specify are fit for purpose and that the evidence of suitability meets the expectations of the relevant authority.
When evaluating a supplier, ask specifically about the evidence of suitability they provide. This includes test reports, assessment reports from accredited bodies, and product-specific fire resistance ratings expressed in the correct format for NCC compliance. Vague or incomplete documentation creates risk at the development application and construction certificate stages.
What Level of Technical Support Do You Offer During Design and Installation?
Fire protection systems for structural steel are technically complex. The correct product, dry film thickness, and application method all depend on variables including the steel section factor (Hp/A), the required fire resistance level (FRL), and the ambient conditions during application.
A supplier with genuine technical depth will offer support across the full project lifecycle. At the design stage, that means helping you determine the correct specification for the structural elements in question. During installation, it means providing clear application guidelines, data sheets calibrated to site conditions, and access to technical representatives who can respond to on-site queries promptly.
Ask whether the supplier provides technical support in Australia (not only offshore), what response times look like for urgent queries, and whether they can offer product-specific application guidance for the intumescent coatings or cementitious systems you intend to use.

Nullifire Intumescent Coating
Can You Demonstrate Experience with Australian Projects and Building Types?
Global product portfolios do not automatically translate to local expertise. Fire protection requirements vary depending on the building class, occupancy type and construction methodology involved. A supplier with a track record of Australian projects will understand the nuances that matter: the expectations of local certifiers, the practical realities of Australian construction programs, and the way local contractors work.
Ask the supplier for references or documented project experience that is relevant to your building type. Whether you are working on a multi-story commercial tower, an industrial facility or a mixed-use development, the supplier's familiarity with comparable projects gives you a reliable indicator of how well they will perform on yours.
Experience with the Australian market also signals that the supplier understands how to work within local supply chains and can reliably deliver products to your project timeline.
How Do You Stay Current with NCC and Standards Updates?
The regulatory landscape governing passive fire protection continues to evolve. The NCC is updated on a regular cycle, and Australian standards are reviewed periodically to reflect new research, testing methodologies, and construction practices. A supplier who does not keep pace with these changes can inadvertently put your project at risk of specifying products that no longer meet current requirements.
Ask how the supplier monitors changes to the NCC and relevant Australian standards. Do they have technical staff who actively engage with standards committees or industry bodies? Do they communicate proactively with their clients when regulatory changes affect product specifications?
A forward-thinking supplier treats regulatory currency as part of their service offering, not an afterthought. That mindset protects you and your clients long after the project is complete.
Does the Supplier Offer a Single Point of Accountability?
This question is often overlooked but carries significant practical weight. On complex projects, accountability can become fragmented when multiple parties are involved in the supply and application of fire protection systems. When a question arises about performance or compliance, a clear chain of responsibility matters.
Ask whether the supplier can provide product supply, technical support, and application guidance under a single relationship. Suppliers who stand fully behind their products with comprehensive documentation and post-installation support reduce the risk of finger-pointing if an issue arises during inspection or certification.
![[55 Pitt Street project completed using Perlifoc HP Eco+]](/TremcoAustralia/media/SiteAssets/Blog%20Assets/Questions%20to%20Ask%20Your%20Structural%20Steel%20Fire/55-Pitt-Street-2.jpg)
[55 Pitt Street project completed using Perlifoc HP Eco+]
Specify with Confidence Using the Nullifire Range
Tremco CPG Australia's Nullifire range of passive fire protection systems is designed to meet the exacting demands of structural steel applications in the Australian market. The Nullifire product range includes intumescent coatings tested to AS 1530.4, supported by comprehensive compliance documentation aligned with NCC requirements.
Tremco CPG Australia's technical team provides specification support from early design through to project completion, with local expertise across commercial, industrial, and infrastructure building types. The team stays current with NCC updates and Australian standards to ensure that the guidance they provide reflects the latest regulatory requirements.
To learn more about the Nullifire range or to speak with a technical specialist about your project, contact Tremco CPG Australia today.