Abstract
The thermal insulation properties of poultry feathers were compared with fiberglass in field tests over a 21dayperiod. Washed, defatted and dequilled poultry feathers were packed into panels and the ceiling of two boxes at a density of14.8 kg/m 3 . Similarly, R11 Kraft faced fiberglass insulation was cut to fit the panels and the ceiling of two other boxes.Thermocouples in each insulation box recorded temperatures at five locations during two separate trials. The resultsdemonstrate that feathers at the studied packing density offer similar thermal resistance to fiberglass insulation and wouldappear to be a costcompetitive material for some insulation requirements.
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