A single flap smoke vent suitable for the removal of large quantities of warm air and / or smoke from a building within a short period of time, daily ventilation and natural lighting.

Product Features

The vents are manufactured according to EN-ISO 9001 quality control standards and comply with the European requirements for NSHE according to EN 12101-2. The vents are formed from high quality corrosion resistant aluminium to ensure low maintenance requirements and watertightness. Various methods of operation using pneumatic or electric actuators are available. 

COVIA is a perfect solution for preventive fire protection in staircase rooms and can also work as a roof access system. Within the range on the minimum and maximum possible construction sizes, the devices can be supplied in variable dimensions. 

Tempered Alumininum


Opening 140º,150º & 160º



RAL 9005

Tempered Glass



Typical Applications

Suitable for horizontal and inclined roofs up to 15º. 

May be installed either onto roofs or into barrel vault daylighting systems. Particularly suitable for warehouses, logistics centres, staircase rooms, production environments and industries. 


Tempered aluminium, sea water and corrosion resistant (EN AW 5754). 
Corrosion resistant bearings. 
Sealant applied so that there is no freezing, enabling the equipment to have low air permeability at the same time. 

Note: aluminum is supplied untreated as standard. Possibility of being supplied with electrostatic painting (in any RAL color). 


Roof opening width: 800, 1000, 1200, 1400, 1500 and 1800 mm 
Roof opening length: from 1000 up to 3000 mm. 

Alternative dimensions on demand. 

Opening Angle

140º, 150º and 160º. 

Controls Fire Ventilation

P2F: opening and closing by double-acting pneumatic cylinder with thermofuse. |
M24V: traverse with motor 24 V. 

Thermal Insulation

U-Value down to 1.3W/m²K depending on the fframe/vent combination and the glass thickness.
Versions with high insulation, HI and HI+, are available.

Acoustic Performance

From 39 (0;-2) dB till 42 (-1;-2) dB


Custom Dimensions;
Powder coated design (any RAL color);


AL – Single Aluminium.(1) 
AL ISO – Double insulated aluminium (20 and 50 mm). (1) 
PC16 – Polycarbonate 16 mm, clear or opal. 
PC25 – Polycarbonate 25 mm, clear or opal. 
PC32 – Polycarbonate 32 mm, clear or opal. 
TB – Thermal break in the aluminium profiles. (Available for flaps of AL ISO, PC25 mm, PC32 mm). 

(1) aluminium sheet limited to one dimension at 1400 mm (width or length).


Single aluminium. 
Double wall aluminium with insulation. 
Double wall aluminium with insulation and TB, thermal break in the aluminium base. 

Note: other non-standard bases available upon request 


Depends on dimensions and type of infill.