Fire Collar Installation Guide Australia (2026)

Date Posted:2 July 2026 

Complete Step-by-Step Compliance Guide for Passive Fire Protection

Fire collars are one of the most critical components in passive fire protection systems across Australia. When installed correctly, they help maintain the fire resistance of walls and floors by sealing pipe penetrations during a fire event.

In this comprehensive guide, we break down how to install fire collars in Australia, including compliance requirements, best practices, and common mistakes to avoid.

What Is a Fire Collar?

A fire collar is a passive fire protection device designed to maintain the integrity of a fire-rated wall or floor when penetrated by plastic pipes such as PVC, HDPE, or PP.

During a fire:

  • The plastic pipe melts

  • The intumescent material inside the collar expands

  • The opening is sealed to prevent fire and smoke spread

This ensures compliance with Australian fire standards and helps maintain the required Fire Resistance Level (FRL).

Australian Standards for Fire Collar Installation

Fire collar installation in Australia must comply with:

  • AS 1530.4 – Fire resistance tests of elements of construction

  • AS 4072.1 – Components for the protection of openings in fire-resistant separating elements

These standards define:

  • Approved systems and configurations

  • Installation methods

  • Required fire ratings (FRL)

⚠️ Important: Fire collars must be installed exactly as tested and certified. Deviating from tested systems can result in non-compliance and failed inspections.

Tools & Materials Required

Before installation, ensure you have:

  • Fire-rated collar (correct size for pipe diameter)

  • Approved fire-rated anchors or masonry screws

  • Drill and appropriate drill bits

  • Fire-rated sealant (if required by system)

  • Measuring tape

  • Marker

  • PPE (gloves, eye protection)

Step-by-Step Fire Collar Installation Guide

1. Confirm the System Design

  • Check the fire-rated wall or floor system

  • Confirm the required FRL (e.g., 60/60/60, 90/90/90, 120/120/120)

  • Ensure the fire collar is tested for:

    • Pipe type (PVC, HDPE, etc.)

    • Pipe size

    • Installation orientation (wall or slab)

2. Prepare the Penetration

  • Ensure the penetration hole size matches the tested system

  • Remove debris, dust, or loose material

  • Confirm correct annular gap (space between pipe and substrate)

Oversized holes are a common compliance failure

3. Position the Fire Collar

  • Wrap the collar around the pipe at the penetration point

  • Ensure the collar sits flush against the wall or slab

  • Confirm correct side:

    • Wall installations typically require collars on both sides

    • Slabs typically require collars on the underside only

4. Fix the Collar to the Substrate

  • Mark fixing points using the collar tabs

  • Drill holes into concrete, masonry, or plasterboard framing

  • Secure using approved fire-rated anchors

Do NOT substitute fixings unless approved in the tested system

5. Seal (If Required)

Some systems require additional fire-rated sealant:

  • Apply around the pipe penetration

  • Ensure full coverage with no gaps

  • Use only tested and approved sealants

6. Final Inspection

Check the installation:

  • Collar is tight and flush

  • All fixings installed correctly

  • No visible gaps or defects

  • Matches tested system exactly

Common Fire Collar Installation Mistakes

Avoid these critical errors:

❌ Installing only one collar where two are required
❌ Using incorrect pipe size or collar size
❌ Not following tested system details
❌ Missing or incorrect fixings
❌ Oversized penetrations
❌ Using non-compliant sealants

These issues can result in failed building inspections and non-compliance with NCC requirements

Fire Collar Installation for Different Applications

Wall Installations

  • Typically require collars on both sides

  • Must align with wall FRL rating

  • Often used in plasterboard or masonry walls

Floor (Slab) Installations

  • Usually installed on the underside

  • Must account for gravity and fire direction

  • Common in concrete slabs

Plastic Pipe Applications

Fire collars are specifically designed for:

  • PVC pipes

  • HDPE pipes

  • Polypropylene pipes

Not required for metal pipes (different fire stopping systems apply)

Why Fire Collars Are Critical for Compliance

Fire collars play a key role in:

  • Preventing fire spread between compartments

  • Maintaining building compliance

  • Protecting life and property

  • Meeting NCC (National Construction Code) requirements

Without proper installation, a building’s passive fire system is compromised.

 

Final Thoughts

Correct fire collar installation in Australia is not just about fitting a product—it’s about ensuring the entire fire-rated system performs as tested.

By following the correct standards, using approved systems, and avoiding common mistakes, you ensure:

  • Full compliance with Australian Standards

  • Successful inspections

  • Long-term fire protection performance

 

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