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CALM S18-300-V
Verified by manufacturer 6 days ago
An acoustic louvre that allows airflow with high‑frequency noise reduction.
Application
Suitable for use in plant rooms, cooling towers, substation and other high-noise areas.
Description
The Colt CALM S18‑300‑V is a high‑performance acoustic louvre designed for environments needing ventilation and noise control. Its 300 mm chevron blade provides enhanced mid to high‑frequency attenuation, achieving Rw (C, Ctr) 23 (‑2, ‑5) as tested to BS EN ISO 10140‑2:2021, while maintaining aerodynamic efficiency (Cv 0.144). With a solid metal front and rear, modular design, robust steel construction, and finish options, it delivers flexibility, durability, and long service life.
Features and benefits:
- 300 mm chevron blade profile provides superior noise reduction and airflow.
- Certified acoustic performance tested to BS EN ISO 10140‑2:2021.
- Modular design enables walls or runs in any required width or height.
- Pre‑punched fixing points allow safe, quick two‑person installation.
- Panel joining kits support longer spans with fewer structural supports.
- Integrates seamlessly with Colt UL systems; optional rear‑mounted screens.
General information
Color | Silver Other |
Finish | Galvanized Powder-coated |
Material | Steel |
Shape | Rectangle |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | H11/140 Louvres L10/490 Roof ventilators L10/650 Metal louvres |
SKU Code | S18-300-V |
Specification data - Louvre screen systems
Classification data | |
Screen framing | Galvanized steel sheet panels. |
Louvres | |
Type | 300 mm Chevron-shaped galvanized steel louvres. |
Operation | Fixed. |
Acoustic panels | |
Facing | Water-repellent, non-hygroscopic semi-rigid acoustic infill. |
System accessories | Not required. Bird guard. Guidance for specification option: The use of any screen option requires applying a Cv correction factor of 0.95. Bird guard with insect mesh. Guidance for specification option: The use of any screen option requires applying a Cv correction factor of 0.95. Fly guard. Guidance for specification option: The use of any screen option requires applying a Cv correction factor of 0.95. Panel joining kits. COLT ventilators. |
Dimensions | Guidance for specification option: Insert requirements or drawing/ schedule reference. |
Finish/ Colour | Not required. Guidance for specification option: As standard. Polyester powder-coated, RAL colour. Guidance for specification option: Consult manufacturer and insert colour requirements. Marine grade coatings. Guidance for specification option: Consult manufacturer and insert requirements. |
Acoustic performance | Rw (C, Ctr): 23 (-2, -5). |
Performance | Cv: 0.144 (K=48.23). Manufacturer guidanceAerodynamic Performance. |
Sustainability data
Material | Steel |
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