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CALM S18-150
Verified by manufacturer 6 days ago
An acoustic louvre that delivers effective noise reduction and high airflow with a straight 150 mm blade profile.
Application
Suitable for use in plant rooms, cooling towers, substation and other high-noise areas.
Description
The Colt CALM S18-150 is a high-performance acoustic louvre designed to balance noise reduction with maximum ventilation. Its 150 mm straight blade profile provides the highest airflow in the CALM range and achieves Rw (C, Ctr) 16 (-1, -3) when tested to BS EN ISO 10140-2:2021. Combining acoustic performance with aerodynamic efficiency (Cv 0.200), its modular steel design ensures flexibility, safe installation, and long service life.
Features and benefits:
- 150 mm thick straight blade profile delivering maximum ventilation within the CALM range.
- Tested to BS EN ISO 10140-2:2021 for certified acoustic attenuation.
- Modular system allows for walls or runs of virtually any width or height.
- Easy two-person installation with pre-punched fixing points
- Panel joining kits enable longer spans with reduced need for intermediate supports.
- Compatible with COLT Universal Louvre (UL) systems for integrated weather protection and visual consistency.
- Available with optional bird guard, insect mesh or fly screens to suit application needs.
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 | S18-150 |
Specification data - Louvre screen systems
Classification data | |
Screen framing | Galvanized steel sheet panels. |
Louvres | |
Type | 150 mm galvanized steel louvre. |
Operation | Fixed. |
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. |
Acoustical Performance | Rw (C, Ctr), 16 (-1, -3). |
Performance | Cv: 0.200 (K=25.00). Manufacturer guidanceAerodynamic Performance. |
Sustainability data
Material | Steel |
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