R-Values Alone Do Not Accurately Predict Real-World Performance

An EnergyWise certified structure does not allow the use of spun glass insulation material (fiberglass). Performance predictions using heat transfer calculations based on tested and published R-values alone do not accurately predict real-world...

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Insulating the underside of roofs - making the case for the Unvented Attic Assembly

  The quest for greater energy efficiency in buildings has led to increasing interest and need for insulation, improvements in HVAC equipment, more airtight construction, new materials and assemblies. Together with the rising cost of...

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