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June 7, 2016

A designed Fire Curtain and a designed Smoke Curtain are similar in appearance and operation but that’s where the similarity ends.  They are both used for completely different functions and one should never be substituted for the other and used to service the wrong req...

April 12, 2016

One of the worst ‘simplifications’ when designing a Performance Louvre system, is to use Free Area as the means to calculate the required louvre area.  This can lead to both an overestimation of louvre area or worst still, an underestimation of the area required.  This...

February 12, 2016

The 100% rainproof louvre, under all environmental conditions, is a common ‘myth’.  Whenever an opening is formed in a building’s façade, for the purposes of air inlet or exhaust, there is always a risk of water entry. 

It is true, that at certain airflow velocitie...

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    100% RAIN PROOF . . . IT’S A MYTH!

    February 12, 2016

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