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Prevalence of Moisture Problems in Finnish Houses*

Nevalainen, A. / Partanen, P. / Jääskeläinen, E. / Hyvärinen, A. / Koskinen, O. / Meklin, T. / Vahteristo, M. / Koivisto, J. / Husman, T.

Abstract A random sample of 450 houses representing various decades was surveyed by trained civil engineers for signs of water leaks or condensation. In 80% of the houses, signs of current or previous moisture fault were observed. In most houses, the surveyors made at least two separate observations of moisture but the occupants missed one in every two of these signs of moisture damage. Part of the faults were caused by flaws in design or construction, and part were due to aging of materials. Approximately 55% of the Finnish houses (i.e., a total of nearly 500 000 houses), were assessed to be in need of repair or more thorough inspection. The observations were equally frequent in the houses of different age, but certain types of moisture damage were characteristic of certain types of buildings or constructional methods used in different eras. Roof geometry was a significant factor accounting for roof leakages. The majority of the faults could be repaired at reasonable cost.

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Prevalence of Moisture Problems in Finnish Houses*

Nevalainen, A. / Partanen, P. / Jääskeläinen, E. / Hyvärinen, A. / Koskinen, O. / Meklin, T. / Vahteristo, M. / Koivisto, J. / Husman, T.

Abstract A random sample of 450 houses representing various decades was surveyed by trained civil engineers for signs of water leaks or condensation. In 80% of the houses, signs of current or previous moisture fault were observed. In most houses, the surveyors made at least two separate observations of moisture but the occupants missed one in every two of these signs of moisture damage. Part of the faults were caused by flaws in design or construction, and part were due to aging of materials. Approximately 55% of the Finnish houses (i.e., a total of nearly 500 000 houses), were assessed to be in need of repair or more thorough inspection. The observations were equally frequent in the houses of different age, but certain types of moisture damage were characteristic of certain types of buildings or constructional methods used in different eras. Roof geometry was a significant factor accounting for roof leakages. The majority of the faults could be repaired at reasonable cost.

Prevalence of Moisture Problems in Finnish Houses*

Nevalainen, A. / Partanen, P. / Jääskeläinen, E. / Hyvärinen, A. / Koskinen, O. / Meklin, T. / Vahteristo, M. / Koivisto, J. / Husman, T.

Abstract A random sample of 450 houses representing various decades was surveyed by trained civil engineers for signs of water leaks or condensation. In 80% of the houses, signs of current or previous moisture fault were observed. In most houses, the surveyors made at least two separate observations of moisture but the occupants missed one in every two of these signs of moisture damage. Part of the faults were caused by flaws in design or construction, and part were due to aging of materials. Approximately 55% of the Finnish houses (i.e., a total of nearly 500 000 houses), were assessed to be in need of repair or more thorough inspection. The observations were equally frequent in the houses of different age, but certain types of moisture damage were characteristic of certain types of buildings or constructional methods used in different eras. Roof geometry was a significant factor accounting for roof leakages. The majority of the faults could be repaired at reasonable cost.

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Title:

Prevalence of Moisture Problems in Finnish Houses*

Contributors:

Nevalainen, A. (author) / Partanen, P. (author) / Jääskeläinen, E. (author) / Hyvärinen, A. (author) / Koskinen, O. (author) / Meklin, T. (author) / Vahteristo, M. (author) / Koivisto, J. (author) / Husman, T. (author)

Published in:

Indoor Air ; 8 ; 45-49

Publication date:

1998-12-01

Size:

5 pages

ISSN:

0905-6947 , 1600-0668

DOI:

https://doi.org/10.1111/j.1600-0668.1998.tb00007.x

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Moisture , Building , Moisture fault , Mould , Dampness , Indoor air

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