Therma is a flap type roof-mounted natural smoke and fire ventilator that is suitable for smoke and heat release, with the option for day-to-day environmental use if required.

Therma's low profile makes it suitable for industrial buildings, shopping centres and atria. Smoke exhaust from stairwells is an ideal application for this unit.

Key features

Corrosion-resistant AlMg3 aluminium alloy
Wide range of finishes including mill finish and polyester powder paint finish
Low profile appearance
Single or twin flaps
Sizes range from 1000 x 1000mm to 2500 x 2500mm as standard
Flexible design - insulated and uninsulated

Options

Polycarbonate tops for natural daylight
Bird guards
Insect mesh
Acoustic damping up to 44dB

Testing

Full independent product testing including opening mechanism, operational reliability, wind load, aerodynamic efficiency, mechanical integrity, environmental and fire performance, all conforming and certified to EN 12101-2 specification.

Aerodynamic co-efficient

0.60 for units 1000 x 1000mm to < 2000 x 2000mm
0.65 for units 2000 x 2000mm and overr

Body and flap construction options

Ventilator body formats:

Aluminium uninsulated
Aluminium with insulation
Aluminium with thermal break

Top flap lid options:

Aluminium uninsulated
Aluminium with insulation
Aluminium with insulation with thermal break
Polycarbonate 16mm thick triple walled
Polycarbonate 16mm thick triple walled with thermal break

Controls

Pneumatic or electric actuation enables connection to life safety, smoke detection and building management systems.

Mono / Duo Therma smoke and fire ventilator

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