Insulated foam duct

Foam duct - Insulation shaped as duct with self sealing fittings. Sizes 125, 150 and 180.  Joins with tradition circular ductwork and flexible ducting. Supplied in 2.25m lengths. Light weight easy to install and has good thermal and acoustic properties

Supply and extract valves

Various types of supply and extract valves - plastic, stove enamelled white metal, chromed, fire rated, etc. Sizes 100 to 200 mm diameter  supplied complete with locking nut and sub-frame.

Regulating dampers

To ensure that the system can be balanced properly regulating dampers should be used. The most common type is as the picture although total shut of dampers and iris dampers are available at higher cost.

Terminals

As these systems are mechanical the user as a choice of method to supply and extract air.  Well mounted louvers or roof terminals are the most popular methods. Both option can be colour matched if required.

Fire protection products

3 in one.  Not always required and only one of a range of fire protection methods.  The fusible link will melt at 72°C but can be replaced from outside if needed without removing the damper. This option can be motorised.

Flat and slim duct

An extensive range of flat duct equivalent to 100 mm and 125 mm diameter is available.  The sizes start at 200 x 25 and range to 200 x 60. Tees, bends, connectors, brackets, adaptors, for valves and many other ancillaries are available. This type of duct is idea for confined places, above ceiling and installing between stud walls.