Heavier windows and drained and vented wall cavities mean loadings from windows are often offset from the timber framing. Recent BRANZ research checked that a modified support bar system can transfer the load back to the framing to prevent problems.
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Land-use planning decisions are informed by science-based policy, preference-based politics and a free-market based economy. In New Zealand, this seems to have done more to stagnate land-use planning than guide it.
New research suggests installing photovoltaics on roofs and driving electric cars could transform low-density suburbia from a high-energy consumer to an energy provider for the city.