Insulated Foil Flex -

Insulated Foil Flex - CVIF
Insulated Flexible Ducting

A high quality, fully flexible insulated duct


Fully flexible, high quality, insulated aluminium laminated duct for use in commercial HVAC systems. Tough and airtight with a smooth core for low friction loss and lower operation costs.

Insulated ducting should be used when duct passes through an unheated area. Minimizes heat loss when used with Heat Recovery fans. Available in 6 diameters with two thicknesses of insulation.

Supplied in 10m length.

An additional benefit is that thermally insulated duct offers some measure of acoustic attenuation.

Operating Temperature: -20oC to +80oC


Multi-ply aluminium foil, puncture resistant inner core. Insulated flexible ducting has a 25mm or 50mm high density fiberglass insulation.


Easy & Fast installation over round or oval connections.

Sizing Info

Please note that the sizes stated refer to the duct size. The flex will be slightly larger to slip over the spigot.

Data Sheet Download PDF

All prices include VAT (where applicable)