Thor Duct ® was formerly known as Safe 4 ® Fire Duct in the UK and Ireland.
Compliance with EN 1366-1
Includes testing ducts under “Type A” fire, with measuring devices thermocouples inside the ductwork and inside the furnace, under full 1100°C temperatures.
The insulated ductwork is examined to see how many minutes it can maintain the duct temperature below 180°C on any one thermocouple, or below 140°C as a mean average of all thermocouples.
Thor Duct ® Kitchen Extract is insulated using a calcium magnesium silicate blanket which maintains the duct temperature below 180°C and prevents grease igniting and causing fire to spread throughout the building.
Thor Duct ® is installed with two wraps of insulation, each wrap with a depth of 38mm.
Thor Duct ® Cleaning Doors EN 1366-1
Thor Duct ® Cleaning Doors have been tested to EN 1366-1 and are suitable for kitchen extracts. Cleaning doors are required every 2 linear meters. We strongly recommend a routine cleaning regime by specialist contractors.