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Moisture conditions in a north-facing wall with cellulose loose-fill insulation: construction with and without a vapour retarder and air leakage.

Author(s) : HAGENTOFT C. E., HARDERUP E.

Summary

The paper presents the calculated moisture conditions of a wall exposed to a climate equivalent to that in nothern Sweden. A north-facing timber wall with a brick facade and cellulose loose-fill thermal insulation is studied both with and without a vapour retarder and air leakage. If the vapour retarder is eliminated from the construction, the moisture levels will increase to unacceptably high values. The construction becomes sensitive to the choice of facing materials and the indoor moisture supply. Air leakage carrying moist air into the construction leads to unacceptably high values even for moderate indoor moisture supplies.

Details

  • Original title: Moisture conditions in a north-facing wall with cellulose loose-fill insulation: construction with and without a vapour retarder and air leakage.
  • Record ID : 1996-1799
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1995/01
  • Document available for consultation in the library of the IIR headquarters only.

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