A louvre can be used in a fixed VELFAC 200 System panel or an opening VELFAC 500 System door to allow ventilation to a room or space behind e.g. computer server rooms or refuse stores. All louvres are supplied with flymesh.
The louvre is incorporated within a sash in a similar way to a double-glazed unit, maintaining the sightlines. VELFAC louvre panels can be specified in 3 different ways:
1. without any internal boarding to allow permanent, open ventilation
2. with a single piece of fibre cement board to allow machining for mechanical ventilation or ducting
3. with a single piece of fibre cement board and a separate internal backboard with vapour barrier, which can be supplied with a veneer or paint finish. This allows the fitting of insulation and machining for mechanical ventilation or ducting.