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weather louvres

AMCA Certified Louvres Now Available in Europe

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Construction Specialties (CS) has introduced AMCA‑certified architectural louvres to the European market, providing specifiers with access to reliable and independently verified performance data.

As an AMCA member, CS also participates in the AMCA Certified Ratings Programme (CRP). Under this programme, louvre performance is independently tested and subject to ongoing audits, helping to ensure that published data remains accurate over time. This sets it apart from other standards used to verify louvre performance, which typically result in a one-off test report.

AMCA certification complements the EN 13030 testing already carried out on CS louvres in Europe, adding a further layer of independent verification and ongoing validation.

A total of 15 AMCA‑certified louvre models are now available, including a selection of weather louvres designed to resist wind-driven rain ingress under demanding conditions, as well as several ventilation louvres engineered to maximise airflow performance where rain defence is not critical.

All models have been tested in accordance with ANSI/AMCA Standard 500‑L: Laboratory Methods of Testing Louvers for Rating, which defines how louvre performance is assessed under a range of airflow and environmental conditions. Testing covers key characteristics such as airflow performance, pressure drop, water penetration and wind-driven rain resistance.

In addition, two of CS’ rain defence models are now AMCA 550 Listed, demonstrating proven resistance to high-velocity wind-driven rain.

By combining independently verified data with ongoing compliance checks, AMCA certification supports more informed specification and greater confidence in performance throughout the building lifecycle, helping to ensure that louvre systems perform as expected in both testing and real-world conditions.

For more information visit: https://www.c-sgroup.co.uk/products/architectural-louvres/

CS Expands Architectural Louvre Range with Three New Models

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Construction Specialties (CS) has announced the launch of three new architectural louvre models – RS-5215, RS-5225, and A-2097 – designed to meet the market’s evolving design and performance demands. These additions deliver the high level of rain defence and airflow performance CS louvres are known for, while adding more aesthetic versatility to the portfolio.

RS-5215 and RS-5225 are compact, 135 mm-deep, double-bank louvres from the company’s Architectural Line family. They offer a sleek, continuous horizontal front blade appearance, with vertical weather louvre units positioned to the rear, ensuring Class A rain defence up to 3.5 m/s. RS-5215 is ideal for low-level applications, while RS-5225 features an inverted front blade, making it particularly effective for high-level installations. The rear sightproof units are supplied powder-coated black as standard to minimise visual impact.

Both models are modular, allowing for ease of installation. They are recommended for large-scale installations requiring a uniform appearance with a continuous blade effect, and where only small or irregular active openings need protection from wind-driven rain. In non-active areas, blanking panels are used in place of blades within the rear louvre frame, offering significant cost savings.

The RS-5215 can also be specified with visible interlocking mullions to align with other façade elements, if preferred.

The new A-2097 is the shallowest CS ventilation louvre model to date, at just 53mm deep, and features a blade pitch of only 48 mm. It can be specified with either visible mullions to align with other façade features, or hidden mullions to achieve a continuous line appearance (the hidden mullion option increases the overall depth to approximately 130 mm). This model delivers Class C rain defence performance in natural ventilation applications and offers excellent airflow performance, particularly for mechanical extract scenarios (Class 1). With its modular design, choice of standard or glazing frame options, and availability in compact sizes, it is well suited for curtain walling, residential buildings, and storefront applications where small louvres are often required above doors or windows.

The new additions have been tested to BS EN 13030 standard for weather louvres, verifying their airflow efficiency and ability to prevent wind-driven rain ingress.  They provide architects and specifiers with even more options for combining performance with design flexibility.

To view the full range of CS rain defence, ventilation, screening and acoustic louvre solutions, visit www.c-sgroup.co.uk/architectural-louvres