Flexrail
The suspension is made of aluminum profiles that are fixed to the ceiling with threaded beams or wire hangers (strap-ups). The most common use is for places where the duct needs to be positioned lower than is the ceiling. This may be in areas with tall ceilings, such as production halls, warehouses, or shops.

Wingrail
The aluminum profiles Wingrail are fixed directly to the ceiling or the wall. This is a typical suspension for half-round and quarter-round ducts. Wingrail is suitable for applications with low ceilings where there is not enough space and suitable use are in schools or offices.

Wire
The most common way of mounting the ducts is with a cable. This suspension is very lightweight, which is also a significant benefit to reduce the stress on the ceiling or help to save costs on transporting the project to the customer.

The wire is necessary to fix the cable horizontally and fastening it to the ceiling is done with special hangers (strap-up).