Challenges in Moisture Damaged False Plinth Repairs
Schroderus, Santeri; Kempe, Minna; Teriö, Olli; Haverinen-Shaughnessy, Ulla; Fedorik, Filip
Schroderus, S., Kempe, M., Teriö, O., Haverinen-Shaughnessy, U. & Fedorik F. (2022). Challenges in Moisture Damaged False Plinth Repairs. Indoor Air 2022 Proceedings. International Society of Indoor Air Quality and Climate.
https://rightsstatements.org/vocab/InC/1.0/
© The Authors and International Society of Indoor Air Quality and Climate.
https://rightsstatements.org/vocab/InC/1.0/
© The Authors and International Society of Indoor Air Quality and Climate.
https://rightsstatements.org/vocab/InC/1.0/
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202502261836
https://urn.fi/URN:NBN:fi:oulu-202502261836
Tiivistelmä
Summary
Moisture damage is common in false plinths of houses built in the 70s to 80s. About 20 % of all dwellings in Finland have a false plinth. Design and implementation of moisture damage repairs require comprehensive planning, including consideration of removal of damaged materials and replacing them with more moisture-resistant materials, airtightness as well as ventilation, and building pressure ratios. This study analysed information from ten false plinth houses permitted to be repaired in Oulu, Finland. In most cases, the reason to start investigations was odour detected by inhabitants. Moisture damage and mould growth are usually detected in the sill plate area. Common factors for damage were capillary-active soil, inadequate drainage, clogged air gaps, ground-level pitch and missing the capillary break. False plinth shoeing was a remediation recommendation in all cases based on microbial growth found in the sill plate area, together with overall sensory observations.
Moisture damage is common in false plinths of houses built in the 70s to 80s. About 20 % of all dwellings in Finland have a false plinth. Design and implementation of moisture damage repairs require comprehensive planning, including consideration of removal of damaged materials and replacing them with more moisture-resistant materials, airtightness as well as ventilation, and building pressure ratios. This study analysed information from ten false plinth houses permitted to be repaired in Oulu, Finland. In most cases, the reason to start investigations was odour detected by inhabitants. Moisture damage and mould growth are usually detected in the sill plate area. Common factors for damage were capillary-active soil, inadequate drainage, clogged air gaps, ground-level pitch and missing the capillary break. False plinth shoeing was a remediation recommendation in all cases based on microbial growth found in the sill plate area, together with overall sensory observations.
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