Friday, January 18, 2019
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Overshadowing and Reflections

Overshadowing & Reflections

Overshadowing is a crucial and often overlooked aspect of building design. Surrounding structures, vegetation and landscape can have a major effect on a building’s performance and occupant comfort – not to mention a building’s impact on its surroundings!  While many modern CAD packages can quickly give an indication of shadows, detailed modelling allows for the true impact on energy, lighting and glare for all possible conditions throughout a simulated year.

Shading Study - Overlapping shadows for each hour of a day in August clearly illustrate overshadowing at a glance.


Inter-reflection of buildings - Solar reflections off of building façades and roofs can pose unique challenges to proper daylight control of a building. Here, the reflection off of a warehouse roof onto an adjacent office building is illustrated. Annual simulations make it easy to identify problems that may otherwise have been missed.

Luminance False Colour Visualisation

Luminance False Colour Visualisation - A rendering for determining the amount of light reflecting off of a building at a given time of day.


Download - Must Reads

Review of SANS204 :: by Mike Barker

Review of Sans204

An initiative that came out of the Department of Minerals & Energy’s 2005 Energy Efficiency Strategy that targeted a 15% Final Energy Demand reduction...
It's the Architecture, Stupid! :: by Edward Mazria

It's the Architecture, Stupid!

Who really holds the key to the global thermostat? The answer might surprise you...
Green Building Impact Review :: by Rob Watson

Green Building Impact Review

Green Building Report: Although this is about the US market, it gives some idea of where Green Buildings are going in the future.

Recommended Reading


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We bring you an informative summary relating to high performance green buildings. Not everyone has the time to keep up with best practice in the field so we offer to drop the most important and relevant development into your inbox once a quarter. - Tel: +27 11 4544 857 - Cell: + 27 83 726 9593

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