Certilight is a roof mounted double flaps Natural Smoke and Heat Exhaust Ventilator (NSHEV) installed on pitch roof inclined from 15 to 45 degrees from horizontal. Outward opening with cylinder within the throat motorization.
Its location is always done with the leaves facing each other on the same side of a slope with an angle of 90 degrees.
Equipped with windshields it can increase the aeraulic performances.

Composition
NSHEV (Natural Smoke and Heat Exhaust Ventilator) comprising two openings
Infill: Glazed, opaque, acoustic or thermal
Available in all RAL colors and anodized finishes
Installation instead of two panes of glass in the case of glass roofs or atriums.
Certilight can also be delivered fixed on upstand for roof installation*
*On glass roof or atriums Certilight can be installed to replace two panes of glass
Profiles
Aluminium thermally broken profiles for the fixed and opening frames
Adaptation on demand (adaptation to enable integration on the existing structure)
Adaptation for upstand
Standardised dimension
Tailor made double flap ventilator
Overall width per leaf: mini 950 - maxi 2200 mm
Overall height per leaf: mini 700 - maxi 1600 mm
Performances satisfying EN 12101-2
| Activation | automatic + manual |
| Opening | Type B opening + closing |
| AFA (Aa) | depending on dimensions, upstand and windshields |
| Cycles | Re 1.000 Re 10,000 in daily ventilation option in all versions |
| Snow load | SL 250, 500 and 1 000 |
| Low temperature | T -15 °C electric and T -25°C pneumatic |
| Static wind resistance | WL = 1500 Pa |
| Fire resistance | B 300 °C |
| Reaction to fire | depending on filling |
| Motorisation | pneumatic and electrical |
| With Windshield | Without Windshield | |
|---|---|---|
| Without Upstand | 0,55 ≤ Cv ≤ 0,65 | 0,20 ≤ Cv ≤ 0,24 |
| With Upstand | 0,61 ≤ Cv ≤ 0,69 | 0,37 ≤ Cv ≤ 0,46 |
Certilam-T
Certilux-T
Certilight
Certiciel
Certiciel Pitch Roof
Ventibay
Ventilight