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Gavin Barber
Gavin Barber
on Sunlight and Shading
(BBSc)

Gavin is an expert in sunlight access and interpretation of shading diagrams for local government. He works for Sun Study Analysis.

18 March 2015

Positive Shading Throughout the Seasons

Fixed and temporary shading features on houses are a great way of controlling solar gains all year round.

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28 August 2014

Using Shading Diagrams to Influence Design Decisions

Obtaining clear and concise factual shading and solar dazzle information for a site early in the design process can be key to site planning decisions.

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23 April 2014

Factors to Consider When Assessing the Potential Effects of Shading

What is the most appropriate time of the year to evaluate the potential effects of shading?  

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13 January 2014

Solar Dazzle Affects More Than Just Glass

Are you aware that the phenomenon of solar dazzle can occur from surfaces other than ‘reflective’ surfaces?

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24 June 2013

How Many Shading Diagrams Should I Do?

Just how many shading diagrams are necessary to assess the potential shading effects of a spatial design?

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28 September 2012

Daylight Savings Promotes Thoughts on Shading

At this time of year, there is a perception of moving out from the cold and wet shadows of winter into the hot and dry outdoors for summer. For a significant number of New Zealanders, daylight savings time represents the barbecue season. 

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23 August 2012

Factual or Subjective? The Two Parts of a Shading Analysis

There are two parts to any shading analysis: the factual evidence and the subjective interpretation. 

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27 July 2012

After Shading Diagrams

You have produced accurate, clear and relevant shading diagrams for a permitted baseline and the proposal. Now what?

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05 April 2012

Designing Buildings to Avoid Solar Dazzle

When was the last time you encountered glare from a building surface?

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28 April 2011

District Plan Shading Rules

Are you aware that council district plan rules regarding sunlight access/recession planes/height controls do not prevent shading, just limit the amount?

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