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<p data-block-key="c471x">BRANZ has an extensive range of resources related to climate change.</p>

The materials team investigates the durability of building materials within the Aotearoa New Zealand environment. Durability is affected by climate, UV levels, rainfall and temperature as well as proximity to the ocean, mountains and geothermal areas.

Over their entire life cycles, buildings have significant effects on the environment, people and the economy. BRANZ research is contributing to shifting the construction industry to deliver net-zero carbon buildings in an affordable way.

<p>There are five building form templates that can be downloaded below.</p>

<p data-block-key="0ozg3">It has been estimated that buildings are directly and indirectly responsible for up to 20% of New Zealand’s greenhouse gas emissions.</p>

<p data-block-key="s8ipn">The MiTek® Z4 Tie-Down System is a hold down anchor system to transfer overturning and uplift tension forces resulting from earthquake and wind loading, to the foundation. It consists of MiTek® Z4 All Threaded Rods, MiTek® Z4 CNX-Series Cinch Nuts, Couplers, MiTek® Z4 Bearing Plate Washers, and Anchor Ties.</p>

Our climate is changing, with big implications for the building industry. BRANZ is working with partners to help the industry reduce greenhouse gas emissions and be better prepared to cope with the changes.

<p>BEES was a collaboration with global involvement.</p>

<p data-block-key="9bnp9">This project evaluated the impacts of the five major strategies currently driving the global development of net-zero carbon buildings and communities – decarbonisation of the electricity grid, electrification of building space and water heating, building efficiency improvements to reduce energy demand, digitalisation of buildings and development of electricity grids to improve energy management and electrification of vehicles. Rather than evaluate each of these strategies in isolation, a systems modelling approach has been used.<br/>The primary aim of this research was to identify and characterise the best pathways and technologies for reducing carbon emissions from buildings, construction and communities. A secondary aim was to develop systems analysis methodologies suitable for assessing emissions reductions associated with individual buildings and communities. The five strategies were considered in both aims. Information from this research seeks to improve designers’ capability to reduce the carbon footprint of buildings and could underpin the future development of building regulations covering carbon emissions.</p>

<p data-block-key="of9gn">Replacing 30% of the Portland cement in concrete with SCMs could reduce the embodied carbon in concrete by as much as 20%. Read an overview of the findings from an experimental research programme led by Concrete New Zealand, with the University of Canterbury in 2020 to investigate materials, test methods and compare performance with international norms and standards.</p><p data-block-key="44i4u">BRANZ External Research Report <a id="2634" linktype="page">ER66</a> gives more details.</p>