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An investigation of common thermal bridges in walls.

Author(s) : MCGOWAN A. G., DESJARLAIS A. O.

Summary

Thermal bridges can have a major effect on the thermal performance of building envelopes, significantly increasing winter heat loss and summer heat gain. Further, condensation on thermal bridging elements can result in mold and mildew growth (with accompanying reduction of air quality), staining of surfaces, and serious damage to building components. Significant energy savings and improved structural integrity would result if design practices successfully addressed thermal bridging problems. An ASHRAE research project (RP-785) to address these problems was commissioned and has been completed. Twelve wall assemblies were analyzed through a combination of detailed guarded hot-box measurements and finite-volume heat transfer analysis.

Details

  • Original title: An investigation of common thermal bridges in walls.
  • Record ID : 1998-1815
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1997
  • Document available for consultation in the library of the IIR headquarters only.

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