Moisture Effects on Extruded Polystyrene Insulation

by Terry McFadden, Univ of Alaska, Fairbanks, AK, USA,

Document Type: Proceeding Paper

Part of: Cold Regions Engineering


The amount of moisture within the insulation was determined by carefully weighing each sample and then measuring its volume. Two methods of measuring thermal conductivity were used. The method used most extensively was a guarded hot plate technique utilizing an instrument manufactured by the Anacon Company. The second method overcame some of these disadvantages while introducing its own weaknesses. This method used a thermal conductivity probe which was inserted into the insulation. Study results are discussed in the paper. Refs.

Subject Headings: Thermal analysis | Thermal properties | Plastic analysis | Volume measurement | Plates | Probe instruments | Building insulation | Foaming (material)

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