Pitched roofs constructed with timber rafters are described in NZS 3604:2011 Timber-framed buildings as either couple-close or skillion roofs. What are the rafter fixing requirements?
This is a guide for specifying and choosing timber for use in New Zealand buildings, which will be useful to all architects and designers, specifiers and builders working with timber. As...
Although the many attributes of concrete such as compressive strength, excellent durability and versatility are well known, concrete floors are not completely immune from problems. This Good Repair Guide focuses...
Approximately 10% of New Zealand households rely on rainwater collected from roofs for their water supply. Typically, these are rural residential properties but may include country schools, camping grounds, marae...
Residential basements are common in houses built on sloping ground and can be valuable and useful spaces if they are dry and warm. In many cases, the use of a...
Over time, water entry through poorly installed or maintained weatherboard cladding may cause significant structural damage and other problems long before any symptoms become apparent on the exterior or interior...
Roof gutters are an important component of the building envelope, designed to control the disposal of rainwater from the roof. The most important functions of gutters are to help protect against:...
This guide gives an overview of the issues to be considered when selecting, designing, detailing and installing profiled metal wall cladding systems. It identifies where and why problems are likely...
Membrane roofing systems come in a wide variety of types, each with their own substrate and installation requirements. Achieving a durable membrane roofing system depends on using the correct approach...