When the floor configuration was analysed, it was found that the covering was glued directly onto the concrete support layer. This was a ground floor consisting of a gravel box, concrete support layer and glued PVC covering.
A dry carotage was performed on the support layer of the covering and the moisture content determined. The concrete was found to have a higher moisture content at the surface than deeper down.
The following measurements were taken in order to characterise the hygrothermal conditions:

      - Relative humidity at the glue joins of the covering;
      - Temperature at the various interfaces of the ground floor;
      - Indoor temperature and relative atmospheric moisture content.
 

KEYWORDS: 

Ground Floor, PVC Covering, Loosening of Covering, Internal Condensation, Vapour Barrier