Verified by manufacturer 3 days ago
Coltlite CLN (non-thermally broken)
Certificate of constancy of performance
Certificate type
Natural louvred glazed vent for natural climatic or smoke ventilation. A glazed building element for high-spec fire, smoke, and air control.
High-performance louvred glazed vent for natural climatic or smoke ventilation, daylighting, and fire safety.
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:
Product Technical Information
Dimensions:
Controls:
Thermal Performance (U value):
Certification + Test Results:
Acoustics:
Color | Silver Other |
Finish | Anodized Powder-coated |
Material | Aluminium Glass |
Shape | Rectangle Square |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | H11/140 Louvres |
SKU Code | CLN, CLT, CLS, CLS 34, CLST, CLET |
Product range |
Classification data | |
Standard | To BS EN 12101-2; EN 14351-1. |
Mounting | Wall-mounted. |
Reliability classification | Re 1000. |
Snow load classification | SL 0. |
Low ambient temperature classification | T (-15). |
Wind load classification | Up to WL 2000. Guidance for specification option: Varies with size and options. Aerodynamic coefficient: Up to 0.56. |
Resistance to heat classification | B300. |
Arrangement | Louvred, centre pivots. Guidance for specification option: Standard. Louvred, other. Guidance for specification option: On request; consult manufacturer and insert requirements. |
Dimensions | |
Width | Manufacturer guidanceInsert requirements; overall width: 300–2000 mm. For throat dimensions, subtract 80 mm. |
Height | Manufacturer guidanceInsert requirements: Overall height: 250–3000 mm (per ventilator). For louvre height (blade pitch), see Pitch below. |
Controls | Manual (lever). Manual (crank handle). Electric, 24 V d.c. motor. Guidance for specification option: 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. Guidance for specification option: 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. |
Initiation | Local thermal fuse. Guidance for specification option: Opens the unit at a pre-selected temperature (pneumatic cylinder control only). External release signal. Guidance for specification option: Insert requirements. Manufacturer guidanceInsert requirements. |
Materials | |
Ventilator | |
Frame | Corrosion-resistant extruded aluminium alloy, non-thermally broken. Guidance for specification option: Depth: 47 mm; face frame width: 40 mm. With stainless steel fixings. |
Louvres | Corrosion-resistant extruded aluminium alloy, non-thermally broken. |
Glazing | Insulated glazing, clear float glass. Insulated glazing, clear toughened glass. Insulated glazing, clear laminated glass. Composite infill panels. Manufacturer guidanceStandard thickness: 28 mm (4 mm glass/ 20 mm gap/ 4 mm glass). |
Finish | Anodized. Guidance for specification option: 20 µm thick standard thickness. Polyester powder-coated. Guidance for specification option: 60 µm thick standard thickness. |
Colour | Natural. Guidance for specification option: Anodized finish only. RAL, single colour. Guidance for specification option: Insert requirements. Manufacturer guidanceSpecial colours are available on request. |
Accessories | None. Speed/ force reduction device. Guidance for specification option: Reduces the speed and force of closing louvres, to reduce the risk of finger squeezing (some electric versions only; consult manufacturer for details). |
Pitch | Manufacturer guidanceInsert requirements. Blade pitch (louvre height): 155–355 mm (150–350 mm). |
Air permeability | Class 3. Guidance for specification option: 1.89 m³/h·m² or 0.37 m³/h·m at 50 Pa. |
U-value | Up to 1.8 W/m²K. Guidance for specification option: Maximum, to EN 10077-1. |
Sound insulation | Up to 41 dB. Guidance for specification option: Maximum. |
Watertightness | Class 5A. Guidance for specification option: To EN 12208; watertight at static pressure of up to and including 200 Pa. |
Blade angle | Maximum 90°. Guidance for specification option: Depends on the drive selected. |
Fixing | To curtain walling. Guidance for specification option: Using 20 to 30 mm-thick non-thermally-broken glazing frame adaptor. To structural opening using through frame fixings. To structural opening using strap fixings. |
Material | Aluminium Glass |