BRANZ has developed a two-stage accelerated test methodology to determine the aggressivity of timber treated with different preservation chemicals towards mild steel and ho- dip galvanised nails.In comparison with conventional...
This is the Appendix to SR241. The full report summarises the results obtained from the third year of field exposure tests carried out at BRANZ’s Judgeford site.It discusses the corrosion...
This report summarises the results obtained from the third year of field exposure tests carried out at BRANZ’s Judgeford site.It discusses the corrosion performance of typical metallic fasteners embedded into...
Most of the commercial organic-based polymers used in the building and construction industry undergo photolytic and photo-oxidative reactions during exposure to solar UV radiation.The premature failure of these building polymers...
Presented in this report are a review of materials and an initial study to examine the performance and potential of bio-derived polymers (plastics) and composite materials for the building industry.Interest...
There is potential for passive indicator or tell-tale marking technologies that can be applied to building wrap materials during the manufacturing process. These marks would respond to environmental exposure in...
Presented in this report are a literature review and an initial study to examine the performance and potential of fibre reinforced polymer (FRP)-based composite materials for the building industry. Interest...
This report compares the condition of rental and owner-occupied houses surveyed in the 2010 BRANZ House Condition Survey.Approximately 500 stand-alone, townhouse or terraced houses/units were inspected throughout New Zealand, and...
Work to evaluate the properties of urea formaldehyde foam insulation (UFFI) and the effect UFFI has on the moisture management processes within brick veneer construction has been completed. This work...
The findings from inspections of several houses to date confirm that although serious problems with urea formaldehyde foam insulation (UFFI) installation process within New Zealand appear relatively rare, there are...
