The Right Stuff

Practical how-to articles for builders and designers showing good industry practice and interpretation of the NZ Building Code and standards.

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Retrofitting IGUs

1 June 2007, Build 100

Double glazing, or Insulating Glass Units (IGUs), are increasingly used in New Zealand to improve insulation. This has created a demand to upgrade existing houses.

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Internal gutter design

By Trevor Pringle 1 June 2007, Build 100

Internal or ‘within roof area’ gutters (also described as box gutters) are seen as an easy solution to the collection and disposal of roof water. However, significant inconvenience, damage and health issues may occur if one overflows.

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Alternative Solutions

By Des Molloy 1 June 2007, Build 100

It is virtually impossible to build using only the Acceptable Solutions and Verification Methods given by the Department of Building and Housing in its Compliance Documents. So, what is an Alternative Solution and how do the building consent authorities assess and consent them?

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