OptimaThermally Separated Louvred SHEV for High-Performance Ventilation
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Product Information
The Optima is a premium thermally separated louvred ventilator designed for natural ventilation and smoke and heat exhaust ventilation (SHEV). Suitable for both roof and façade applications, it combines exceptional thermal performance, airtightness and weather resistance with flexible sizing and glazing options. Its insulated base and louvres help reduce heat loss while supporting sustainable building design, making it ideal for projects where energy efficiency, occupant comfort and fire safety are critical.
Product Highlights
- Fully thermally separated design for enhanced energy efficiency and reduced heat loss
- Certified to EN 12101-2 for smoke and heat exhaust ventilation (SHEV)
- Suitable for both roof and façade installations
- Available with insulated aluminium, polycarbonate or double-glazed louvre options
- Class 4 air permeability and excellent airtight performance with double EPDM seals
- Water tightness up to Class E1050 for protection in severe weather conditions
- Customisable dimensions, louvre heights and flange configurations to suit project requirements
Contact us
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Technical Information
Dimensions
- Throat widths from 600 mm to 2500 mm
- Throat lengths from 1100 mm to 3900 mm
- Intermediate sizes available to suit project-specific requirements
- Flexible louvre heights from 300 mm to 400 mm
Thermal Performance (U-Value)
Optima is a fully thermally broken louvred ventilator engineered for high-performance buildings, delivering U-values from as low as 1.1 W/m²K depending on the selected configuration, dimensions and glazing specification.
Installation
Can be installed at roof pitches from 0° to 60°
Certifications & Test Results
- CE marked and certified in accordance with EN 12101-2
EN 12101-2 Classification:
- Wind Load: WL 1500
- Snow Load: SL 750 (PB / P2B / M24 configurations)
- Temperature Class: T(-15)
- Reliability Class: Re 1000
- Heat Resistance: B300
- Air Permeability: EN 12207 Class 4
- Watertightness: EN 12208 Class E1050
- Resistance to Variable Wind Loads: Class C4