Blog posts of '2026' 'August'

Galvanised spiral ducting is a circular sheet metal duct system widely used for commercial ventilation, air distribution and HVAC applications. This guide explains its construction, benefits, common applications, components and key specification considerations.

A practical guide to understanding spiral ducting diameters, matching fittings, airflow sizing and key considerations when specifying circular ductwork for commercial HVAC and ventilation systems.

Spiral ducting is one of the most widely used ductwork systems in commercial ventilation. This guide explains how it is made, its advantages, common applications and why it is often chosen for modern HVAC installations.