DRYING OUT OF THE WALL After damp-course installation, it is very important that the treated walls are left to dry for a period of several months before any re-plastering / re-rendering, painting, tuck-pointing and/or re-pointing is done. The solvent component of the damp-course material will evaporate out of the wall in the next few weeks, … Continue reading AFTER TREATMENT AFTER INSTALLATION OF A DAMP-COURSE BARRIER