A school lesson
BRANZ was called into a Dunedin school where too much ventilation caused excessive condensation in a large roof space. Understanding why this happened points to warm roofs being better in some locations.
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By Stephan Rupp, Dr Manfred Plagmann – 1 October 2020, Build 180, Feature article
BRANZ was called into a Dunedin school where too much ventilation caused excessive condensation in a large roof space. Understanding why this happened points to warm roofs being better in some locations.
By Roland Alderton, Mike Way – 1 October 2020, Build 180, Feature article
Ventilation of cold roof designs in New Zealand doesn’t always go smoothly. Here, BRANZ physicists hand over to a couple of professional builders who have long been at the coalface dealing with roof moisture issues on their projects.
By David Hindley – 1 August 2020, Build 179, Feature article
This is the first in a series looking at how New Zealand building regulations currently compare to those elsewhere.
By Catherine Nicholson, Anna Walsh, David Carradine – 1 October 2020, Build 180
To simplify the consenting process for structural insulated panels (SIPs), we need to know how they perform locally. A BRANZ research project is helping by examining SIP durability, earthquake and fire performance.
By Trevor Pringle – 1 February 2020, Build 176
Proper on-site management of roof cladding is critical to delivering quality buildings. This is the final in a series on materials storage requirements and outlines how to store and handle roof claddings.
By Bruce Sedcole – 1 October 2020, Build 180
BRANZ regularly receives queries about hold-down fixings to the exterior walls of timber-framed buildings. This overview sets out the fixing requirements in NZS 3604:2011 for resistance to uplift for the various framing members.
By Matthew Curtis – 1 February 2020, Build 176, Feature article
More homeowners are choosing sheet metal roofs, and timber weatherboards have maintained a steady 60% of the market, according to recent data on materials choice for new housing.