A Photo Every Day from the Sunshine Coast - Australia

Saturday, 11 June 2011

Natural Air

There's an old trick to getting air circulation that was employed particularly on commercial buildings and sheds in the old days.   It involves simply leaving out the sheeting on the top bit of the roof, and building a rolled "cap" over the top leaving lots of gaps and the ends open.    The roof sheeting heats the air below, hot air rises and moves out of the cap, bringing in a drift of cool(er) air from the outside.

We ignored these principals for years after the invention of insulation, and air conditioning, but they are making a return.

 © Sunshine Coast Daily Photo - Australia

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