Fire DuctworkThor Duct

Thor Duct® Fire Ductwork

Thor Duct® Fire Ductwork is a comprehensive fire-rated ductwork system, tested and certified to the latest European standards for fire safety. Designed to maintain fire compartmentation and reliably support pressurisation, passive ventilation, and fire protection strategies across a wide range of buildings, Thor Duct® provides engineers and specifiers with a robust solution where standard ductwork is insufficient.

Key Features

• Fully Tested & Certified: Tested to EN1366-1, classified to EN13501-3 with integrity and insulation performance up to 120 minutes in both horizontal and vertical orientations.

• Wide Range of Applications: Suitable for fire-rated compartmentation, pressurisation systems and passive applications where traditional fire dampers may not be suitable.

• Large Size Capability: Allows duct sizes up to 2500 x 1250 mm for standard fire-rated applications.

• Sustainable Solution: Designed for low carbon footprint with galvanised steel construction and 99% recyclability.

• Complete Support: Comes with a full set of support bracketry and penetration seal details for a range of wall and floor constructions.

Standards & Compliance

Thor Duct® Fire Ductwork complies with all relevant EN fire safety test standards:

• EN1366-1 – Fire resistance testing for ductwork

• EN13501-3 – Classification of fire resisting ductwork

• Tested with insulation and support systems for comprehensive performance verification.

Typical Applications

• Protected lobbies and escape routes requiring fire resistance

• Pressurisation systems in stairwells

• Multi-compartment ventilation systems

• Passive fire protection scenarios in commercial, industrial and residential buildings

Product Benefits

✔ Maintains compartmentation where fire risk is critical

✔ Reliable performance in both horizontal and vertical orientations

✔ Supports designs where fire dampers alone may not be viable

✔ Sustainable, recyclable materials

✔ Comprehensive supporting accessories and installation guidance