Fire Rated Ventilation Solutions You Can Rely On
AV Metals’ Cavity Guard range delivers high-performance fire-rated ventilation solutions for modern construction. Engineered for cavity wall and façade applications, our range of solutions combine airbricks, carriers, duct sleeves, and plenums to ensure complete compliance without compromising airflow or aesthetics.
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Whether you’re specifying for residential or commercial applications, Cavity Guard provides durable, and installation-friendly protection - keeping your designs safe, compliant, and built to last.
Protecting buildings.
Preserving performance.
Offering solutions Fire Rated to standards of A1-s1, d0 to A2 solutions.
Delivering exceptional fire resistance and seamless adjustability for your projects.
Our cavity barrier solutions are designed to help you deliver safer, higher-performing buildings with confidence. Engineered to meet the stringent requirements of A1 and A2-s1,d0 classifications, they offer exceptional fire resistance while providing the adjustability needed to accommodate real-world site tolerances. The result is reliable protection, smoother installation, and peace of mind that your project aligns with the highest standards in modern construction.
​FIRE PROTECTANT
High resistance to fire, designed to comply with A1 or A2-s1 depending on your needs. Constructed from sheet steel (A1) and polyester powder coated for durability.
CUSTOM SOLUTIONS
Available in bespoke sizes and designs to meet specific project needs. Rapid prototyping for tailored solutions.
OPTIMISED VENTILATION
Designed for low resistance to airflow while maintaining fire protection. Ensures energy Efficient performance in various building environments.
Bespoke Products to fit Standard Connections
Plenums & Reducers
Plenums and reducers that fit seamlessly into your system solution. Standard sizes or bespoke available, built to spec and ready to install.
Rigid Carriers for secure duct support and alignment. To hold various style of grilles and airbricks.
Carriers
​​​We offer a complete selection of fire rated products to fit industry standard connections. Designed for cavity wall applications, with a combination of airbricks, carriers, duct sleeves, and plenums. Cavity Guard offers versatile and A1 compliant solutions for modern ventilation needs.​
Grilles & Airbricks
Control airflow with durable, precision made grilles and airbricks. Built for ventilation efficiency and long lasting performance.
Multiple solutions available to connect your systems. Reliable joints to connect duct sections with accuracy. Built to spec for airtight, secure links.
Joints
Standard Sleeves for clean duct connections. Designed to fit industry standard connections at bespoke lengths.
Sleeves
Our expert design team will work with you to design a system that works exactly the way you need it to.
Round Duct & Grille Kits
A durable, high-performance grille designed for clean airflow through cavity walls and ceilings. Its sleek faceplate and efficient louvred design ensure smooth ventilation and a tidy, modern finish. 3971mm² ( min.) free area.
Cavity Round Grille - Ø100/125/150mm
Our Round Duct & Grille Kits provide a simple, reliable solution for effective airflow in residential and commercial spaces. Designed for quick installation and long-lasting performance, each kit includes durable ducting and a compatible grille for a clean, seamless finish. Perfect for ventilation upgrades or new builds, these kits deliver consistent airflow, strong build quality, and a professional look every time.
Our Ø100 steel duct is manufactured from 0.5 mm galvanised steel for strength, durability, and corrosion resistance. Supplied cut to length, it offers a precise, ready-to-install solution for ventilation systems.
Ø100/125/150mm Spiral Galv Ducting
This 110×54 to Ø100 Rectangle-to-Round Connector is made from durable HIPS material, providing a lightweight yet robust solution for adapting rectangular ducting to round systems. Round-to-Round options are also available for added compatibility across your ventilation setups.
Rectangle-to-Round Connector
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Enquiries
If you have any general inquiries, please fill out the following form and a member of our team will be in touch!