Technical

Stuart W.Thomson
Building Consultant

In the last year or so we have seen an increase in demand from BCAs for the use of stainless steel screws in Zincalume® roofs in severe environments.This is partly based on their interpretation of NZS 3604, which of course is...

Note: Dave Hall, Chairman, MRM Technical committee. Whilst the results from the samples tested showed that the best result was achieved by NZ made painted steel and the least durable was from an imported sample, we should not draw the conclusion that all NZ made products are better and all...

Mother Nature throws up plenty of issues on this project. Article supplied coutesy of Jenny Bain. Rooflink

Stockton Mine in Buller, New Zealand’s largest opencast coal mining operation, has been a site of coal extraction since the late 1870s. Located high on a plateau...

There’s little doubt that water is one of the planet’s most valuable commodities and maintaining water supply will become even more important if predictions about the dire consequences of global warming become true.

If the planet is going to be subjected to the extremes of flooding and...

Article by Stuart Hayman and Stuart Thomson

Designers have usually many other priorities to concern themselves with than details about unwashed areas, however the purpose of this article is to raise awareness of this potential problem. The description of an unwashed area...

Stuart Thomson, recognised for his vast knowledge on the use of metal and principle author of the COP illustrates the benefits of using the COP. How it can save endless hours in tracking and solving problems that should just never happen with “best practice”. As illustrated the time and cost...

A solution or a problem?

In recent years there have been a number of products launched onto the market which claim to prevent the blocking of gutter or spouting by leaves. There are two types - one which fits into the gutter, for example like a brush, and those which are...