I HAVE HAD MY WHOLE HOUSE(1940) REPLATERED OVER 8 WEEKS AGO.BACK TO THE BRICK-SAND/CEMENT-SKIM-WATERED DOWN SUPERMATT 70/30-50/50-PURE SUPERMATX2 COATS. THE HOUSE IS A SHELL (NO SKIRING BOARDS,RADIATORS,CENTRAL HEATING,NOTHING TO INTERFERE)WE ALLOWED THE PLASTER 4 WEEKS TO DRY OUT AND HAVENT...