Aluminium Semi Rigid Ducting

Aluminium Air Ducting is a lightweight, semi-rigid duct designed for the extraction and transfer of air, fumes, and gases in ventilation, heating, and air conditioning systems. Manufactured from high-grade aluminium with both inner and outer layers formed from aluminium strip, the duct offers excellent flexibility while retaining its shape once bent into position. With no reinforcement, it remains easy to cut, handle, and install, making it suitable for fixed and temporary ducting runs. Built to BS476 Parts 6 & 7 Class 0 standards, this ducting delivers excellent fire resistance, providing safe performance in commercial, domestic, and light industrial applications. The operating temperature range of -30°C to +150°C, with peak resistance to +200°C, ensures dependable service in a wide variety of environments.

Key Features:

• Material: Aluminium inner and outer layers.

• Internal Diameter Range: 76 mm, 102 mm, 125 mm, 150 mm.

• Wall Thickness: 3 mm.

• Bending Radius: 0.76 × D.

• Operating Temperature: -30°C to +150°C.

• Peak Temperature: +200°C.

• Standard: BS476 Parts 6 & 7 Class 0 fire rated.

• Lengths: Supplied in 2 m and 4 m coils (size dependent).

• Colour: Metallic aluminium finish.

The Aluminium Air Ducting range combines fire safety with excellent thermal resistance, making it a trusted choice for air movement and extraction tasks. Its semi-rigid design allows easy forming and bending while maintaining shape, reducing the need for additional fittings or brackets. With diameters ranging from 76 mm to 150 mm, it covers a wide spectrum of HVAC and general-purpose air handling installations. The smooth bore reduces flow restriction and noise while enhancing efficiency. Rated for peak temperatures of +200°C, the duct is suitable for warm air extraction and heating system connections, as well as fume removal in light industrial settings.

Applications include heating, ventilation, and air conditioning systems, boiler flue connections, fume extraction, cooker hood installations, and general-purpose ducting in residential, commercial, and light industrial buildings. Distributed under the HosesUK brand, Aluminium Air Ducting provides a practical, compliant, and easy-to-install solution where fire resistance, flexibility, and reliable airflow are required.