Fire Rated Ventilation Solutions You Can Rely On
AV Metals’ Cavity Guard range delivers fully tested, high-performance fire-rated ventilation solutions for modern construction. Engineered for cavity wall and façade applications, our products 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, commercial, or high-rise developments, Fire Guard provides certified, durable, and installation-friendly protection - keeping your designs safe, compliant, and built to last.
Protecting buildings.
Preserving performance.
Fire Rated to standards of A2-s1, d0.
Off the Shelf, or Bespoke Products
Cavity guard plenums that distribute air evenly and efficiently. Standard sizes or bespoke, built to spec and ready to install.
Plenums
Rigid Carriers for secure duct support and alignment. Engineered for strength, built to handle heavy loads.
Carriers
​​​We offer a complete selection of fire rated products designed for cavity wall applications. With a combination of airbricks, carriers, duct sleeves, and plenums, our Cavity Guard range offers versatile and compliant solutions for modern ventilation needs.​
Control airflow with durable, precision made grilles and airbricks. Built for ventilation efficiency and long lasting performance.
Grilles & Airbricks
Reliable joints to connect duct sections with accuracy. Built to spec for airtight, secure links. Strength and precision where it counts.
Joints
Standard Sleeves for clean duct connections. Designed for precise fit every time.
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
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 Steel Duct
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!