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4. Analysis and comments
4.1 Condensations
To assess the amount of condensable or evaporable water vapour, based on the degree/days taken from annual hygrothermal records (drawn up by the regional Météo France center responsible for the building site), you need to calculate the periods of time when condensation occurs and those when evaporation takes place.
Depending on the "condensation/evaporation" balance, we can decide on potential or actual disorders.
By way of example, we have based this assessment on Météo France data for February 1997 at Villacoublay in the Paris region (see table in Pour en savoir plus).
We note (cf. Learn more table ), day by day, the...
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Analysis and comments
Hygrothermal study of curative solution
Standards and norms
- Building work – Restoration of facades in service using polymer-based waterproof coatings – Part 1-1: Technical specifications – Part 1-2: General material selection criteria – Part 2: Special clauses – Commercial reference for parts P 1-1, P 1-2 and P 2 of NF DTU 42.1, November 2007 (classification index: P 84-404). - NF DTU 42.1 - 2007
- Paints and varnishes – Paint products and coating systems for exterior masonry...
Statistical and hygrothermal data
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Readings from Météo France
Météo France has departmental centers throughout France, which are able to provide climatological information on the location of the building, which must be the subject of a hygrothermal study.
On written request, each center provides climatic data (temperature and relative humidity) at the desired intervals....
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