Main Roads WA Approved Frangible Post Systems
Signfix & Optimast MASH TL3 Frangible Post Systems
Certified Safe. Proven Performance. Australian Made.
Signfix & Optimast MASH TL3 Approved Frangible Poles are industry-leading frangible post systems, rigorously tested and approved for use by Main Roads WA.
Main Roads WA Approved
Download the Signfix and Optimast technical documentation below, including footing details, Main Roads WA approvals, annexures and terrain category selection information.
Signfix WA Calculator
Try the new Signfix Frangible Post Calculator for WA — our free calculator can help you quickly and easily specify the right post to suit your region and sign dimensions.
Main Roads WA Approved – Signfix MASH TL3 Aluminium Frangible Posts
Engineered for Performance & Safety
Signfix Aluminium Frangible Posts are designed to provide maximum safety in roadside environments. Manufactured from high-strength, lightweight aluminium, Signfix poles are ideal for traffic signs, ensuring reliable breakaway performance under impact.
- Fully compliant with MASH TL3 requirements
- Lightweight, corrosion-resistant aluminium construction
- Designed for easy installation and long-term durability
- Longstanding performance on Australian roads
Learn more about Signfix MASH TL3 Approved Frangible Sign Support Structures
Main Roads WA Approved – Optimast MASH TL3 Aluminium Frangible Posts
Structurally Designed for Superior Reliability
Optimast Aluminium Frangible Posts deliver next-level safety and performance for roadside signage up to 40m2. With a unique, patented design, Optimast posts are engineered to perform under demanding conditions while meeting road safety criteria.
- MASH TL3 certified for optimal safety compliance
- Robust, lightweight aluminium for easy installation
- Patented frangible technology for controlled breakaway
- Suitable for a wider range of signage applications
Learn more about Optimast MASH TL3 Approved Frangible Sign Support Structures
What is MASH TL3 Approved?
MASH TL3 refers to roadside safety hardware tested to safely break away on impact, helping protect road users and infrastructure.
Why Choose a Frangible Post System?
Frangible poles are engineered to break away safely on impact, reducing the risk of injury and damage. Choosing an approved frangible post system supports road safety, compliance and reliable performance.
Why Trust Signfix Frangible Post Systems?
- Government Approved Products: Certified to meet Main Roads WA standards for use on the WA road network.
- Proven Track Record: Trusted by the road industry across Australia.
- Expert Support: Our team can help you choose the right frangible post system for your project.
WA Frangible Pole Installations
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