Australian Thermal Industries
Cavi-Break & Cavi-Vent Strips
The all-in-one cavity batten system delivering superior thermal breaks, effective condensation management and reliable cavity closure for both residential and commercial construction
The ATI Cavi-System
Cavi-Break® and Cavi-Vent® form a comprehensive, integrated Thermal Break Strip & Ventilated Cavity Drainage Solution. It is an easy to install cavity batten system for steel and timber framing in residential and commercial buildings.
- Cavi-Break® is a highly effective thermal break strip plus cavity batten
- Cavi-Vent®, applied horizontally, acts as a thermal break, ventilated cavity drainage batten and cavity closer
They can be used for all types of lightweight cladding and provide a quadruple function
- thermal break strip for improved thermal performance
- cavity batten to create a 20mm cavity
- cavity drainage and cavity ventilation for condensation management
- cavity closer
This integration improves thermal performance and building health, making it a leading choice for modern construction needs.
Easy and quick to apply
Watch our Cavi-Break® and Cavi-Vent® installation in action at a Brooks Builders’ child care site
Thermal Performance
A superior, economical thermal break strip
ATI’s Cavi-Break® and Cavi-Vent® Strips are advanced thermal break and condensation management solutions, exceeding National Construction Code (NCC) standards with an R-value of 0.58 m² K/W—nearly three times the minimum requirement of 0.2 m² K/W.
In both steel and timber frame applications, the Cavi-Break and Cavi-Vent Strips provide an advanced thermal barrier between external cladding and the frame, significantly reducing thermal bridging. Additionally, they manage condensation, mitigating risks of rot, mildew, and mould to support healthier, more durable homes.
Key Benefits
There are many benefits for residential, modular and light commercial builders using the Cavi-Break® and Cavi-Vent® System
- Lightweight
- Easy to handle, cut & install
- 45mm x 20mm based on industry needs
- Convenient 1200mm length
- Will not compress (300KPa strength)
- Self-adhesive that really works
- Superior condensation management
- Superior thermal properties (R-value of 0.58m²)
- 70 Cavi-Break or Cavi-Vent Strips (84 linear meters) per carton
ATI Cavi-Break® Strip
Industry-leading thermal break and cavity batten for residential and commercial timber or steel construction.
- Exceeding the minimum National Construction Code (NCC) R-value standard of 0.2m² K/W by almost three times with a class-leading R-value of 0.58m² K/W.
- Developed in close consultation with industry experts and leading builders to better suit their needs and save valuable time and money.
- Supplied in convenient 1200mm strips to suit a typical 2400mm ceiling height.
- Each carton contains 70 Cavi-Break Strips or 84 linear meters, enough to batten up no less than 35 studs, but still is lightweight to carry.
Ideal for use with both steel and timber framing, ATI Cavi-Break® Strip is the solution Australian builders have been looking for to increase building energy efficiency and save time.
Find more information on the product page, or consult the brochure.
ATI Cavi-Vent® Strip
Our Industry-leading thermal break ventilated cavity drainage and cavity closer batten
- ATI Cavi-Vent strip was developed in close consultation with industry experts and leading builders to better suit their needs and save valuable time and money.
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For residential and commercial timber or steel construction.
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Each carton contains 70 strips, totalling 84 linear meters, with the 1200mm length ideal for 600mm stud centre builds.
- Only 1/10th the weight of timber for ease of handling and installation.
The ATI Cavi-Vent® Strip is the must have solution for Australian builders to effectively manage condensation, mitigating hidden moisture-related damage and ensuring your structures endure. It’s the straightforward solution for building longevity.
Find more information on the product page, or consult the brochure.
NCC 2025 Changes to Thermal Breaks and Condensation Management: What You Need to Know
Using ATI’s Cavi-Break® and Cavi-Vent® systems makes it easy to stay ahead. Our solutions streamline compliance with current standards and are designed to meet NCC 2025 requirements for thermal efficiency, cavity ventilation and condensation management, ensuring your projects are built to best practice.
What do the NCC 2025 updates mean for thermal breaks, wall cavity ventilation, and the construction industry at large?
How many strips do you need?
We’ve created a Usage Estimator for your convenience to estimate how many strips are needed for your project.
Call 1300 430 949 or send us a message for a free sample or any other question.
Customer Stories
The ATI Story
Revolutionising Australian Building Efficiency
In both residential and light commercial construction sectors, prioritising thermal efficiency and effective condensation management is essential. The industry-wide quest for high-performing thermal breaks and cavity battens that marry efficiency with cost-effectiveness is ongoing. Australian Thermal Industries (ATI) addresses this demand, dedicated to delivering premium solutions for Australian builders across various sectors.
With a keen eye on innovation and strategic procurement, ATI presents Cavi-Break®, a standout product developed to enhance thermal mitigation for steel framing and to provide dependable cavity battens for timber frames, ensuring superior condensation management and bolstering building integrity.
Contact us today
Cavi-Break® and Cavi-Vent® Thermal Break Strips are a lightweight, easy to apply and economical product that exceeds the minimum National Construction Code (NCC) requirement by almost 3 times.
Contact us today so that we can work with you on your project.
Did you know
ATI donates 1% of the sales revenue to the HIA Charitable Foundation (HIACF), which works to improve health and welfare outcomes in the housing industry, including mental health issues.
