Ventilation Louvres Installed on Massey University Building

Frequently Asked Questions

Find answers to common questions about performance louvres, including acoustic performance, airflow, design, engineering, materials and rain defence. Can't find what you're looking for? Ask our team using the form at the bottom of the page.

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Acoustics & Noise
Airflow & Performance
Design, Engineering & Compliance
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Acoustic Louvres
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Ventilation Louvres
What Is Green Aluminium FAQ Thumbnail
What Is Green Aluminium?

"Green" aluminium isn't about the metal itself because aluminium is always the same element, but how it is made.

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Free Area vs Aerodynamic Free Area Thumbnail
Free Area vs Aerodynamic Free Area: What's the Difference?

Free area is a rough proxy, while actual performance is governed by pressure loss.

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Drainable Louvre Video Thumbnail
When Should I Use a Drainable Louvre?

If you need airflow and weather protection, drainable louvres are designed to manage wind-driven rain by capturing and directing water away.

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Single vs Multi Stage Louvre Thumbnail
Single Stage vs Multi Stage Louvres: What's the Difference?

A single-stage drainable louvre relies on a single line of defence, whereas a multi-stage drainable louvre adds extra layers of rain defence.

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Screening Louvres Thumbnail
Do You Supply Screening Louvres?

The short answer is yes. Ventuer provides a range of economic and effective screening louvres such as the VL-50CM, VL-100CM, VL-70S, VL-55S.

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E2 Compliance Thumbnail
How Do Louvres Comply with E2?

It's not always straightforward as ventilation louvres are an intentional opening, however compliance is achieved through water management rather than complete watertightness.

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Vertical Louvre Wind Direction Thumbnail
Does Wind Direction Affect a Vertical Louvre's Rain Defence?

In a storm the rain doesn't fall straight down, it comes in sideways. That's why blade shape and spacing are important.

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One New Zealand Stadium Crane Installation
How Much Do Louvres Weigh?

Our louvres vary in size and weight, find the default 1m² reference chart here.

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Drainable Louvre Video Thumbnail
What Is a Drainable Louvre?

A drainable louvre is designed to manage wind-driven rain by capturing water and safely draining it away from the building.

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Acoustic vs Ventilation Louvres FAQ Thumbnail
Acoustic vs Ventilation Louvres: What's the Difference?

A standard ventilation louvre is designed to move air efficiently, but acoustically it's effectively transparent. An acoustic louvre is specifically designed to do both, but with some trade-offs.

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Louvre Calculator FAQ Thumbnail
Does the Louvre Calculator Account for Support Bar Pressure Drop?

The Ventüer louvre calculator does account for the pressure loss created by secondary support members, including dead blades and other inactive areas.

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Shop Drawings FAQ Thumbnail
Do You Provide Shop Drawings?

Yes - Ventüer offer shop drawings that consider water management, façade integration, seismic movement and more.

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Louvre Wind Tunnel Testing Thumbnail
Do Louvres Whistle In The Wind?

Wind-induced noise isn't always predictable, but with the right engineering and full-scale wind tunnel testing, potential issues can be identified and addressed before installation.

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Irregular Shaped Louvres FAQ Thumbnail
Do You Make Irregular Shaped Louvres?

Whether it's a circular plant room opening, a raking façade or an existing opening being retrofitted, architectural designs don't always suit a standard rectangular louvre. The good news is they don't have to.

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Louvre Powder Coating Application Process
Choosing a Finish for Aluminium Louvres: Powder Coating, Anodising and Mill Finish

The chosen finish for an aluminium louvre affects more than just the appearance. Colour requirements, environmental exposure, durability and long term maintenance can all influence which option is most suitable.

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Bird vs Insect Mesh: What's the Difference?
Bird vs Insect Mesh: What's the Difference?

In simple terms the size of the openings are very different.

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FAQ Thumbnail 9
What are Acoustic Louvres Made From?

Acoustic louvres might look simple from the outside, but there's a little more going on inside the blade.

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Louvred Doors FAQ Thumbnail
Do You Supply Louvred Doors?

Yes, the ventilation and acoustic louvre range can be manufactured into doors.

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Fraser Avenue Louvre Window Installation

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