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Dampness and Moisture Problems in Norwegian Homes

Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 4404 Nydalen, N-0403 Oslo, Norway
The Norwegian Labour Inspection Authority, P.O. Box 4720 Sluppen, 7468 Trondheim, Norway
SINTEF Building and Infrastructure, P.O. Box 124 Blindern, 0314 Oslo, Norway
Author to whom correspondence should be addressed.
Current Adress: Arendal Upper Secondary School, Kirkebakken 8, 4836 Arendal, Norway.
Int. J. Environ. Res. Public Health 2017, 14(10), 1241;
Received: 13 September 2017 / Revised: 5 October 2017 / Accepted: 14 October 2017 / Published: 17 October 2017
The occurrence of dampness and mold in the indoor environment is associated with respiratory-related disease outcomes. Thus, it is pertinent to know the magnitude of such indoor environment problems to be able to estimate the potential health impact in the population. In the present study, the moisture damage in 10,112 Norwegian dwellings was recorded based on building inspection reports. The levels of moisture damage were graded based on a condition class (CC), where CC0 is immaculate and CC1 acceptable (actions not required), while CC2 and CC3 indicate increased levels of damage that requires action. Of the 10,112 dwellings investigated, 3125 had verified moisture or mold damage. This amounts to 31% of the surveyed dwellings. Of these, 27% had CC2 as the worst grade, whereas 4% had CC3 as the worst grade level. The room types and building structures most prone to moisture damage were (in rank order) crawl spaces, basements, un-insulated attics, cooling rooms, and bathrooms. The high proportion of homes with moisture damage indicate a possible risk for respiratory diseases in a relatively large number of individuals, even if only the more extensive moisture damages and those located in rooms where occupants spend the majority of their time would have a significant influence on adverse health effects. View Full-Text
Keywords: dampness; indoor air; Norwegian homes dampness; indoor air; Norwegian homes
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Becher, R.; Høie, A.H.; Bakke, J.V.; Holøs, S.B.; Øvrevik, J. Dampness and Moisture Problems in Norwegian Homes. Int. J. Environ. Res. Public Health 2017, 14, 1241.

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