5. Hygrothermal study of curative solution
The cause of the prevailing pathology is undoubtedly the air gap created by the glue beads and, consequently, the maintenance of plaster "1" in a "cold wall" situation, which rapidly reaches its critical humidity level.
The aim of the curative solution is to thermally transform this area into a "warm wall". There are three ways to achieve this.
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Solution 1. constantly lower and maintain the indoor relative humidity HR i < 30%, when T i = 19 °C and T e = - 5 °C.
And also, be able to vary HR i according to variations in T e . Worth knowing:
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Hygrothermal study of curative solution
ITE thin coating on concrete shell + ITI (60 + 10 retained) in winter
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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