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InteriorInterior

Product Advice

Accurately Describing Vapour. And Vapor...

Jon Davies looks at a confusing geographical disconnect when describing vapour control, moisture control, vapour control layers and vapour barriers. Did you know that in North American documents, the term vapour barrier might mean our vapour control layer? And if they do use ‘vapour control layer’ they could easily be talking about a vapour barrier?

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27 October 2026
21 June 2018

Time to Talk Tanking in the Wet

tanking in the wet

Mitigating the risk of over-hydration is key to the success of a bentonite membrane — especially in wet conditions. 

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21 June 2018

Passive Fire: Where Does Design and Specification Responsibility Lie?

thomas peham 435981 unsplash

Designers, project managers, installers and building consent officials exercising duty of care responsibilities would positively contribute to raising the bar on all passive fire protection installations in NZ.

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16 May 2018

Risk versus Reward in Building Design

Jon Davies Detailed May 2018

How do I get my design to meet expectations of comfort?

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19 April 2018

Changing Trends in the Gloss Levels of Paint

Paint gloss levels nz

Fashions have changed and paint technology has improved; flat/matt sheen level paints are now being confidently used throughout homes, including in bathrooms and kitchens.

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18 April 2018

Where Does the Airtightness Layer Go?

airtightness boathouse

Getting layering right in New Zealand buildings for summer and winter.

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18 April 2018

Where to Find The True Cost of Passive Fire

cost of passive fire design

The perceptions of project managers, quantity surveyors and passive fire installers when it comes to planning for fire stopping.

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22 March 2018

The Dwelling as a System

kitchen home cooking blog

A dwelling should be considered as an integrated set of systems rather than a set of separate components.

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23 February 2018

Fire Rated Floor Slab Penetrations

floor hole drilling 1

We recently had occasion to be drawn into the realm of structural engineering with regard to concrete floor slab penetrations. The issue is all too common: no provision made for power or data cables (and other services) to pass through concrete floor slabs. 

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24 November 2017

Weathertightness Before and After Earthquakes

Detailed blog post image Jon Davies November

A dedicated weathertightness layer can help protect building frames after a seismic event — ensuring that water damage doesn't occur through minor cracks or damage. 

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24 November 2017

Who Should Take Responsibility for Passive Fire Protection?

Detailed blog post image malcolm christie november

Designers, project managers, installers and building consent officials exercising duty of care responsibilities would positively contribute to raising the bar on all passive fire protection installations in NZ.

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