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Enhancing your Design with Performance Louvres & The Effects of Wind Pressure on Façade Elements

Presented by Louvreclad

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August 27th, 2021

Session Synopsis

When it comes to refurbishments of commercial and industrial buildings, the ability of louvres to improve facades cannot be overstated. With the range and quality of products available, specifiers looking to do so are spoilt for choice.

However, when choosing louvres, it is important not to get carried away by the design possibilities, and in so doing, neglect their functional requirements. Commercial and industrial buildings require louvres for two important reasons. They need them to facilitate air flow and to prevent rain from coming in.

When choosing performance louvres, everybody tends to want the same thing – 100% rain defense and 100% air flow. However, this is not always achievable and there is always a compromise between these two performance factors.

So, how can specifiers make this compromise and strike the right balance between airflow, rain prevention and aesthetic appeal? And what are the regulations surrounding the use of natural ventilators in Australia?

Wind is one of the most significant forces of nature that must be considered in the design of a building’s façade. Whether you are designing a vertical or horizontal screen, when selecting a particular system, it is important to know that maximum span is dependent on depth and profile of panel selected and local wind pressures.  Alongside this, careful consideration needs to be given to how wind pressure affects different profiles and substrates.

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CPD Documents:

Presentation: CLICK HERE

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Key Learning Outcomes

At the end of this presentation, you should be able to:

  • Identify the standard that sets the test method and standard required for testing natural ventilators in Australia
  • Explain the methods that can be used to measure the performance of louvres
  • Explain why louvres selection always, to some extent, involves a trade-off between rain defense and airflow
  • Identify the optimal design phase for selecting the right louvre for a given application
  • Outline the various design considerations involved in integrating solar shading into building façades

AACA Competency Standards

Design: Project Briefing 1.2, 1.4
Design: Conceptual Design 3.2, 3.4, 3.7
Design: Schematic Design 4.1, 4.3, 4.6
Documentation: Detailed Design 5.3, 5.5


Uddhava Sharplin, Design Consultant, Louvreclad

Uddhava comes to Louverclad with 10+ years of construction industry experience and a strong background in Spatial Design and Architecture. This experience combined with an enthusiasm for Green Building technologies and Sustainable solutions makes Uddhava a valuable addition to the team. Constant interaction with specifiers, consultants and building designers proves her unique worth and capabilities.

Dr. Lawrence Sim, Senior Mechanical Engineer, Louvreclad

Lawrence is passionate about Engineering and interested in unlocking new technologies to enhance buildings comfort and reduce energy consumption. Holding a PhD in Mechanical Engineering specializing in thermofluids, Lawrence is a Registered professional engineer in both UK and Australia. Alongside this he brings 8+ years experience in building ventilation design optimization, an ideal background to take on the role as Senior Mechanical Engineer for Louvreclad.

Gabriel Tan, Structural Engineer, Louvreclad

Gabriel returns as a registered Structural & Mechanical Engineer, under Engineers Australia National Engineer Register (NER) scheme. He is also a Registered Professional Engineer of Queensland (RPEQ) with over 6 years of experience in the building & construction industry. With a fervor for getting things right first time, Louvreclad are excited to have this in-house expertise to guarantee the production & completion of bespoke projects. Gabriel says, ‘the satisfaction & pride of seeing a completed project – knowing that you’re involved in it, never gets old.’

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