zerobound®
Fire Rated Boundary Wall System
Zerobound® is a CodeMark certified fire rated external boundary wall system designed for Australian zero allotment construction and providing a simplified alternative to conventional AAC and masonry boundary wall systems.
FRL60/60/60 & 90/90/90
Fire Resistance Level
CodeMark Certified
NCC compliance pathway
NCC Vol 1, Vol 2 & HP
Lightweight Construction
Only 14 mm or 22 mm thick!
Zero Lot Applications
Designed for boundary walls
A simpler way to build boundary walls
Zerobound® simplifies fire-rated boundary wall construction through a lightweight, low-component design. Its shiplap panel arrangement and documented installation details help Australian builders efficiently construct approved external walls, particularly on zero-lot developments and sites with restricted working space.
High-performance system
Zerobound achieves FRL 60/60/60 or FRL 90/90/90 in specified wall assemblies, providing fire rated external wall solutions for residential and commercial developments.
Supported by CodeMark certification, independent testing and detailed construction documentation, Zerobound provides a defined compliance pathway for approved boundary wall applications.
Simplified installation
Zerobound’s innovative panel arrangement reduces the need for additional space, fire-rated insulation batts and specialist installation equipment required by some conventional boundary wall systems.
Designed for installation by standard building trades, Zerobound helps reduce installation complexity, labour requirements and potential construction delays.
Easier estimating and supply
Zerobound makes estimating and ordering straightforward. With a simple wall m2, Builders can determine material quantities from the required wall area quickly, with standard system accessories supplied to suit panel quantities.
This reduces estimating complexity, improves material planning and helps builders prepare project costs without relying on lengthy third-party estimating processes.
Trusted system
Zerobound is supported by CBMA’s national distribution network, with supply available through major building material resellers and channels.
Builders, developers and designers can access CodeMark certification, technical documentation, construction details and support for approved boundary wall applications throughout Australia.
Why Choose Zerobound for Fire-Rated Boundary Walls?
External boundary walls must meet the required fire resistance and weatherproofing performance while remaining practical to construct, especially where working space is limited. Zerobound® combines lightweight panels, simplified components and approved construction details to provide a practical alternative to conventional AAC and masonry boundary wall systems.
Simplified System Components
Zerobound uses a shiplap panel arrangement and a minimal set of standard components to simplify fire-rated boundary wall construction.
Unlike some conventional systems that rely on large, heavy products, specialist components or fire-rated insulation batts, Zerobound has been designed to reduce unnecessary components and simplify installation.
This helps minimise missing materials, additional ordering, construction delays and unnecessary installation costs.
The applicable fixings, flashing, sealants, wall wraps and junction requirements are detailed in the current Zerobound Installation Guide.
Moisture & Mould Resistance
Zerobound panels provide a lightweight alternative to conventional boundary wall construction, with 14 mm and 22 mm panel options for approved fire-rated wall systems.
The panels are designed for external wall applications, providing moisture resistance and tested weatherproofing performance within specified wall assemblies.
Their lightweight design makes handling and installation easier, particularly on narrow allotments, multi-residential developments and projects with restricted access.
All weatherproofing details, cavity ventilation and wall-wrap requirements must follow the approved system documentation.
Easier Estimating & Supply
Zerobound has been designed to simplify the estimation and ordering process. With minimal components and standard accessories supplied to suit the required panel quantities, builders can estimate their materials using the total wall area in a matter of minutes, not weeks.
This provides greater time saving when preparing project estimates and reduces the risk of missing deadlines.
For more detailed projects, builders can submit architectural drawings to CBMA for a material take-off, helping confirm panel quantities and prepare orders before construction.
Designed for Australia’s builders and developers.
Zerobound combines fire resistance, weatherproofing performance, lightweight construction and simplified installation requirements in a documented boundary wall system. Refer to the current Installation Guide, Technical Data Sheet and CodeMark Certificate for approved construction details.
What do you need today?
Quickly access the tools and technical information you need for your Zerobound boundary wall project.
CodeMark Certification
Download the latest CodeMark Certification Certificate.
Installation Guide
Download the latest Zerobound
installation guide and
approved construction details.
CBMAZONE
Access Zerobound DWG drawings
and construction details
through our secure portal.
Submit Plans
Upload your project plans
for a Zerobound material
take-off.
Zerobound System Overview
A lightweight, high performing, fire-rated external boundary wall system featuring minimal components, simplified installation and documented construction details for approved Australian building applications.
FRL60/60/60 & 90/90/90
Fire resistance performance for approved system configurations.
CodeMark Certified
Independently certified system for specified NCC requirements.
Timber & Steel Framing
Suitable for approved timber and light-gauge steel framed construction.
Weatherproofing Performance
Tested external wall configurations with documented weatherproofing requirements.
Simple Installation
Minimal components and detailed construction methods help save installation time.
Where Zerobound Is Used
Zerobound® is designed for approved fire-rated external boundary wall applications in Australian construction, including townhouses, duplexes and multi-residential developments. The lightweight system is particularly suited to zero-allotment construction, narrow building sites and projects requiring fire-rated external walls near property boundaries.
Townhouses & Duplexes
Fire-rated external boundary walls for townhouses, duplexes and attached residential developments requiring compliant zero-lot construction.
Multi-Residential Developments
Approved external boundary wall configurations for medium-density housing, apartments and urban infill developments where boundary fire resistance is required.
Commercial and Residential
Zerobound system configurations can be used in applicable commercial and residential developments where fire-rated external boundary walls are required, subject to the approved system design and project requirements.
Performance and Compliance
Zerobound® is independently tested and CodeMark certified for specified external boundary wall applications. The system provides fire resistance, weatherproofing and other performance characteristics when installed in accordance with the approved construction details.
| Panel Dimensions | 2700x600 (standard) |
|---|---|
| Panel Thickness | 14mm / 22mm |
| Panel Colour | Pink |
| Panel Profile | Shiplap all sides |
| Panel orientation | Horizontal and/or vertical, as approved |
| Fire rating (FRL) | 60/60/60 or 90/90/90 - as per AS1530.4 |
| Combustibility | Non combustible - as per AS1530.1 |
| Weatherproofing | NCC Verificiaton Methods F3V1/H2V2 |
| Wind Classifications | N1, N2 and N3 |
| Acoustic Performance | Rw 43 dB, specified tested assembly |
| Minimum wall Thickness | 114mm from plaster to external (90mm studs / frl60/60/60) |
| Weather resistance | up to 6 months exposed (general conditions) |
| Components | Only 4 standard components to install (standard wall) |
| NCC Pathway | CodeMark Certified - CM40322 |
| NCC Volumes | NCC Vol. 1, NCC Vol.2 and NCC HP |
For full installation and compliance, view the current Installation guide and CodeMark Certificate.
Technical Documents
Access Zerobound technical resources, installation guides, certification documents and construction details for specification, project planning and installation.
Installation Guide
Complete Zerobound installation requirements and approved construction details.
Installation Checklist
Installation checklist for Zerobound fire-rated boundary wall systems.
CodeMark Certification
Certification documents outlining the applicable NCC compliance pathway.
Zerobound TDS
Technical Data Sheet with panel specifications and tested performance information.
DWG Drawings
Register to access construction drawings and specification details through CBMAZONE.
FAQ
Answers to common questions about Zerobound fire-rated boundary walls, zero-lot construction, installation and compliance.
What is a fire-rated boundary wall?
What is a zero-lot boundary wall?
What fire rating does Zerobound achieve?
Is Zerobound CodeMark certified?
Yes. Zerobound is supported by CodeMark certification for specified fire-rated boundary wall systems. The certification provides an NCC compliance pathway when the system is installed within its approved scope, limitations and conditions.
Can Zerobound replace Hebel or AAC boundary walls?
Does Zerobound require specialist installers?
Is Zerobound suitable for townhouse and duplex developments?
Is Zerobound weather resistant?
Does Zerobound require a ventilated cavity?
How do I estimate Zerobound materials?
Is Zerobound corrosive?
Zerobound does not use the magnesium chloride formulation associated with these issues, making it suitable for approved fire-rated external boundary wall applications when installed in accordance with CBMA’s specifications.
Ready to build with Zerobound?
Calculate your materials, submit your architectural plans for a take-off, or speak with our team about your next fire-rated boundary wall project.
