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Brookvent UK and IrelandBrookvent UK and Ireland
Brookvent UK and Ireland
Mechanical ventilation, Heat Recovery Ventilation and Window Ventilation, Northern Ireland, UK Mainland
  • Heat Recovery
    Ventilation
    • Heat Recovery Ventilation Introduction
    • aircycle Status Indicator
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    Ventilation
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  • Louvres
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        • BRL20V-FL
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      • Glazed-in Louvres
        • BRL20V-GL
        • BRL34V-GL
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        • BRL20V-SM
        • BRL34Z-SM
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        • BRL20V-FL
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    • Ventilation Louvres with increased flow area (HF)
      • Flanged Wall Louvres
        • BRL34Z-FL HF
      • Glazed-in Louvres
        • BRL34Z-GL HF
      • Surface Mounted Louvres
        • BRL34Z-SM HF
    • Ventilation Louvres with increased water resistance (EWR)
      • Flanged Wall Louvres
        • BRL34Z-FL EWR
        • BRL50Z-FL EWR
        • BRL60Z-FL EWR
        • BRL65Z-FL EWR
        • BRL75Z-FL EWR
      • Glazed-in Louvres
        • BRL34Z-GL EWR
        • BRL50Z-GL EWR
        • BRL60Z-GL EWR
      • Surface Mounted Louvres
        • BRL34Z-SM EWR
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      • BRL-DR
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VENTILATION SURFACE MOUNTED LOUVRES WITH INCREASED WATER RESISTANCE

Ventilation surface mounted louvres with increased water resistance are engineered to provide reliable airflow while offering superior protection against water intrusion. These louvres are ideal for applications were managing moisture and maintaining indoor air quality are critical, such as in coastal buildings, industrial facilities, and areas prone to heavy rainfall. Designed to be mounted directly onto the surface of walls, these louvres offer a straightforward installation process, making them a versatile option for various projects.

These louvres feature specialized blade profiles and advanced water-resistance technology that effectively deflect rain and prevent water ingress. This ensures that the louvres continue to function optimally even in extreme weather conditions, maintaining consistent airflow without the risk of leaks or water damage. The high-water resistance rating makes these louvres particularly suitable for environments where moisture control is essential.

In addition to their water-resistant properties, surface mounted louvres are also designed to offer excellent protection against debris, pests, and contaminants, further enhancing the quality of the air entering the building. By combining efficient ventilation with robust water resistance, surface mounted louvres with high and increased water resistance provide an effective solution for maintaining safe, dry, and well-ventilated indoor spaces in even the most challenging environments.

Ventilation Louvre

BRL34Z-SM EWR

Ventilation Surface Mounted Louvres with increased water resistance with 34 Z-blade.

View Product
Louvres
  • Introduction
  • Standard ventilation louvres
    • Flanged Wall Louvres
      • BRL20V-FL
      • BRL34V-FL
      • BRL34Z-FL
      • BRL50Z-FL
      • BRL60Z-FL
      • BRL65Z-FL
      • BRL75Z-FL
    • Glazed-in Louvres
      • BRL20V-GL
      • BRL34V-GL
      • BRL34Z-GL
      • BRL50Z-GL
      • BRL60Z-GL
    • Surface Mounted Louvres
      • BRL20V-SM
      • BRL34Z-SM
    • Screening Louvres
      • BRL20V-FL
      • BRL20V-GL
      • BRL20V-SM
  • Ventilation louvres with increased flow area (HF)
    • Flanged Wall Louvres
      • BRL34Z-FL HF
    • Glazed-in Louvres
      • BRL34Z-GL HF
    • Surface Mounted Louvres
      • BRL34Z-SM HF
  • Ventilation Louvres with increased water resistance (EWR)
    • Flanged Wall Louvres
      • BRL34Z-FL EWR
      • BRL50Z-FL EWR
      • BRL60Z-FL EWR
      • BRL65Z-FL EWR
      • BRL75Z-FL EWR
    • Glazed-in Louvres
      • BRL34Z-GL EWR
      • BRL50Z-GL EWR
      • BRL60Z-GL EWR
    • Surface Mounted Louvres
      • BRL34Z-SM EWR
  • Door Louvre
    • BRL-DR
Latest news
  • Brookvent at the Specifi Show in Bristol
    April 24, 2026
  • easter
    Happy Easter from Brookvent
    April 2, 2026
  • louvre belfast
    Brookvent Brings Louvre Production Home to Belfast
    January 9, 2026
  • Merry Christmas and Happy New Year from Brookvent
    December 19, 2025
Latest blogs
  • Door louvre
    Discover the Brookvent Door Louvre – Learn How It Can Improve Your Space!
    January 13, 2026
  • louvre belfast
    Brookvent Brings Louvre Production Home to Belfast
    January 9, 2026
  • lourve
    Brookvent Louvre Vents – All you need to know
    November 25, 2025
  • ventilation louvre
    Choosing the Right Ventilation Louvre
    November 10, 2025
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