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Design Advice

Why is Housing Getting More Expensive?

This is simple question but there are lots of factors driving it, so the answer is complex. I’ll explore this over my next few articles. First, I want to talk productivity, specifically labour productivity.

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28 April 2025

Sealing of Water Control Valves to Meet E3/AS2 Requirements

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One critical area of waterproofing is to ensure the detail you use to seal the penetrations for the shower mixers/taps and their associated outlets not only completely seals the penetrations from water ingress from the outside, but will also provide protection to the wall cavity.

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22 April 2024

The Take-Up of AAC Intertenancy Walls in Aotearoa

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This month I look at using aerated autoclaved concrete for intertenancy walls + we have a new round of the Medium Quick-Fire Quiz. 

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25 March 2024

Why Triple-Glazing Instead of Double-Glazing?

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While it has been sensible for the former use of single glazing in house windows to be replaced with double-glazing, it now appears that there is the beginning of a move for new housing to be fitted with triple-glazing. Why?

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Joining a DPM to a Tanking Membrane

preview Footing with BGT membrane to DPM copy

Where a BGT system connects with a Damp Proof Membrane (DPM) is a detail that many designers have drawn without fully understanding how these dissimilar membranes are connected.

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26 February 2024

Managing Moisture and Ventilation in Roofs

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With new roofing insulation requirements, the architectural community has had to get used to some radically changed details for roofs.

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Important Update to Internal Wet Area Membranes Code of Practice

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The Waterproofing Membrane Association Inc. (WMAI) develop a range of Codes of Practice (COP) for Water Proofing Membrane(s) (WPM) for all situations.

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27 November 2023

What Makes Good Medium Density Design?

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This month I look at a winning MDH project and share a controversial idea that only those who live in MDH should be able to design MDH + we're giving you another chance to WIN with the Medium Quick-Fire Quiz.

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27 November 2023

Why is it Being Reported that New Terrace Housing is Overheating in Summer?

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When it is being reported that Terrace Housing has overheating problems, is it just the direct experience of individuals in particular buildings who don’t recall all the Terraces which are not a problem, or is there a trend with current materials and regulations which are not as appropriate as they could be?

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30 October 2023

Plasterboard Possibilities for Medium Density Builds

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This month I discuss plasterboard + we're giving you another chance to WIN with the Medium Quick-Fire Quiz.

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25 September 2023

Steel Cladding is About to Become More Sustainable

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The use of a crisp, sharp, long-lasting metal cladding is absolutely the right finish for the future, but why don't we brighten up our colour choices?

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