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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By Des Molloy 1 October 2010, Build 120

Many builders have had a concrete and formwork failure that they would rather forget. It’s an area of construction where listening to the wisdom of experienced tradespeople is vital, but the following pointers may also help.

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Tolerances tables

By Trevor Pringle 1 October 2016, Build 156

In Build 155 Within tolerance, we outlined some of the allowable tolerances to work within for a quality result. Here, we’ve summarised that information into convenient tables.

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Good vibrations

1 August 2013, Build 137

One of the keys to good-quality cured concrete is correct vibration after it’s poured. This compacts it and consolidates the mix by removing trapped air. But how do you get it right?

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