Summary
Natural louvred glazed vent for natural climatic or smoke ventilation. A glazed building element for high-spec fire, smoke, and air control.
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Application
High-performance louvred glazed vent for natural climatic or smoke ventilation, daylighting, and fire safety.
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Description
Coltlite is a high-performance louvred glazed vent for natural climatic or smoke ventilation, daylighting, and fire safety. Designed for architectural integration, it blends seamlessly into glass façade designs, combining aerodynamic efficiency with aesthetic appeal. Available in multiple models and glazing options, Coltlite offers manual, electric, or pneumatic operation, up to 90° opening, and is EN 12101-2 certified for smoke and heat extraction.
Product Highlights:
- CE marked for compliance with European standards.
- Seamlessly integrates into architectural and glass façade designs.
- Provides natural climatic and smoke ventilation in one system.
- Supports daylighting for energy efficiency and occupant comfort.
- Aerodynamic design with high thermal and acoustic performance.
- Multiple models, glazing, and control options for design flexibility.
- Some models certified to EN 12101-2 (smoke) and EN 14351-1 (natural ventilation).
- Burglar resistance to EN 1627:2021 Class RC 2/2N (Coltlite CL3).
- Coltlite CL3 model is EPD verified (3rd party verified by IBU).
Product Technical Information
Dimensions:
- Total width: 300 to 2,000 mm - deduct 80 mm for the internal dimension.
- Total height: 250 to 3,000 mm per Coltlite unit.
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):
- Up to 1.0 W/m²K.
Certification + Test Results:
- Air permeability up to class 4.
- Wind load: stability up to WL 6,000.
- U-value according to EN 10077-1 up to 1.0 W/m²K.
- Sound insulation up to 45 dB.
- Watertightness: up to class 7A according to EN 12208 at 300 Pa test pressure.
Acoustics:
- Up to 45 dB depending on Coltlite model selected.
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Product certifications
- Certificate of constancy of performance Certificate of constancy of performance - Coltlite
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Color
Silver, Other
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Finish
Anodized, Powder-coated
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Material
Aluminium, Glass
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Shape
Rectangle, Square
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Length
Bespoke
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Width
Bespoke
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Height
Bespoke
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SKU Code
CLN, CLT, CLS, CLS 34, CLST, CLET
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Specification
Classification data
Standard
To BS EN 12101-2; EN 14351-1.
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Mounting
Wall-mounted.
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Reliability classification
Re 1000.
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Snow load classification
SL 0.
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Low ambient temperature classification
T (-15).
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Wind load classification
Up to WL 2000.
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Resistance to heat classification
B300.
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Arrangement
Louvred, centre pivots., Louvred, other.
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Controls
Manual (lever)., Manual (crank handle)., Electric, 24 V d.c. motor., Electric, 230 V a.c. motor., Pneumatic cylinder.
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Initiation
Local thermal fuse., External release signal.
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Materials
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Ventilator
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Frame
Corrosion-resistant extruded aluminium alloy, non-thermally broken.
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Louvres
Corrosion-resistant extruded aluminium alloy, non-thermally broken.
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Glazing
Insulated glazing, clear float glass., Insulated glazing, clear toughened glass., Insulated glazing, clear laminated glass., Composite infill panels.
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Finish
Anodized., Polyester powder-coated.
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Colour
Natural., RAL, single colour.
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Accessories
None., Speed/ force reduction device.
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Additional properties
Air permeability
Class 3.
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U-value
Up to 1.8 W/m²K.
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Sound insulation
Up to 41 dB.
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Watertightness
Class 5A.
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Blade angle
Maximum 90°.
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Fixing
To curtain walling., To structural opening using through frame fixings., To structural opening using strap fixings.
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Sustainability data
Material
Aluminium, Glass
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