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Jon Davies
Jon Davies
on Airtightness and Moisture Management
Regional Manager

Jon is a qualified teacher and Regional Manager for pro clima, focussed on technical and educational support for the design community. 

18 October 2018

Renovating and Insulating Masonry Walls

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Why strapping and lining masonry walls on the inside is not a good idea, not for renovation, not for new builds. 

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21 September 2018

Adding Insulation and Wall Underlay to Existing Walls

pro clima a

How can we safely add insulation to existing walls without risking trapped moisture and compromising durability? 

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22 August 2018

Renovation Opportunity and R-Values

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In this article, I’m tackling real-estate adverts, renovation by paint, and discussing one area of cost for whole-house renovation and the connection between health and wealth.

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19 July 2018

Achieving Winter Warmth in New Zealand Homes

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Common themes with comfortable high performance houses are insulation, airtightness, ventilation and heating. 

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21 June 2018

Water Resistant vs. Watertight

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Protecting structure from moisture before, during and after construction is a code minimum requirement of B2 durability.

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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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18 April 2018

Where Does the Airtightness Layer Go?

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

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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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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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25 October 2017

Balancing the Costs of Increased Building Performance

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The homeowner pays the upfront cost of a hypo-reactive building, or the ongoing costs of a hyper-reactive building.

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