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Estra NG TB
Thermally Broken
- Thermally broken aluminium frame and louvre profiles.
- Double-glazed insulated louvres.
- Optimised thermal and acoustic performance.
- EN 12101-2 certified and EN 14351-1 tested.
Estra NGGlass louvred ventilator for façade ventilation and smoke control
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Product Information
The Estra NG series comprises high-performance louvred ventilators for façade applications. Designed for natural ventilation, daylight entry, and smoke extraction, Estra NG ventilators are suitable for installation into walls and glass, steel, or timber façades. Available in multiple thermally broken, non-thermally broken, and structural glazing configurations, the range combines architectural design, energy efficiency, and certified smoke ventilation performance.
Product Highlights
- Certified in accordance with EN 12101-2 (except Estra NG SGC).
- Most variants conform to both EN 12101-2 as smoke ventilators; all models conform to EN 14351-1 as natural ventilators
- Tested and classified in accordance with EN 14351-1.
- Designed for integration into walls, brickwork and glazed façades.
- Available in thermally broken and non-thermally broken configurations.
- Suitable for daylighting, natural ventilation and smoke extraction.
- Available with framed, frameless and structural glazing options.
- Slim architectural profiles with concealed operating mechanisms.
- Acoustic performance up to 41 dB depending on configuration.
- Uw values up to 1.5 W/m²K depending on version and size.
- Available with manual, electric or pneumatic operation depending on model.
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Technical Information
Dimensions
The Estra NG series is available in a wide range of dimensions depending on the selected variant and louvre configuration.
- Width: 300 mm to 2000 mm depending on model.
- Maximum height: up to 4320 mm depending on configuration.
- Opening angle: up to 90°.
- Frame depth: 47 mm.
Controls
- Manual (lever)
- Electric, 24 V d.c. motor: Frame mounted and painted motor (hidden behind side frame profile) positioned at top or bottom on either side of frame and with a typical operation time of 32 seconds.
- Electric, 230 V a.c. motor: Frame mounted and painted motor (hidden behind side frame profile) positioned at top or bottom on either side of frame and with a typical operation time of 32 seconds.
- Pneumatic cylinder
Thermal Performance (U-Value)
Estra NG is available in thermally broken and non-thermally broken configurations to suit project requirements. Thermal performance depends on the selected louvre type, glazing specification and dimensions.
- Estra NG TB: Uw up to 1.5 W/m²K.
- Estra NG STG: Uw up to 1.8 W/m²K.
- Estra NG ETB: Uw up to 1.9 W/m²K.
- Estra NG NTB: Uw up to 1.9 W/m²K.
Certifications & Test Results
- Tested and certified in accordance with EN 12101-2 (except Estra NG SGC)
- Tested and classified according to EN 14351-1
- Manufactured in accordance with ISO 9001
- Air Permeability: Class 4 (tested to EN 1026)
- Weather Resistance: Up to Class 5A depending on model
- Uw Value: Up to 1.5 W/m²K
- Sound Insulation: Up to 41 dB
- Aerodynamic Performance: Cv values up to 0.65
Acoustics
Selected Estra NG variants offer enhanced acoustic performance for applications where occupant comfort is a priority.
- Estra NG TB: up to 41 dB.
- Estra NG SG: up to 27 dB.
Acoustic performance varies by louvre type, glazing specification and dimensions
Product Variants
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Estra NG NTB
Non-Thermally Broken
- Non-thermally broken aluminium frame and louvres.
- Double-glazed insulated louvres.
- Suitable where thermal separation is not required.
- EN 12101-2 certified and EN 14351-1 tested.
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Estra NG SG
Single Glazing
- Frameless single-glazed louvres.
- Excellent aerodynamic performance.
- Available with 8, 10 or 12 mm glazing.
- EN 12101-2 certified.
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Estra NG SGC
Structural Glass Continuous
- Flush external appearance with bevelled glass edges.
- Frameless point-fixed glazing.
- Designed for façade aesthetics.
- Tested to EN 14351-1 but not certified for smoke control.
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Estra NG STG
Structural Thermally Broken Glass
- Fully glazed external appearance.
- Thermally broken frame and louvre construction.
- Flush structural glazing design.
- EN 12101-2 certified
Estra NG ETB
Thermally Broken Insulated Louvre
- Thermally broken aluminium louvres.
- PUR/PIR or mineral wool insulation options.
- Designed for opaque façade applications.
- EN 12101-2 certified.