If it is only a skim onto plasterboard Mary, then usually a week will do it. You can accelerate the process with a dehumidifier, but natural drying time is recommended:yes:....hope this helps....Gaz
If it is only a skim onto plasterboard Mary, then usually a week will do it. You can accelerate the process with a dehumidifier, but natural drying time is recommended:yes:....hope this helps....Gaz