Primer for humid rooms is a specially developed primer for primering walls in wet rooms such as bathrooms, where a tight barrier against moisture, discoloration and oder is required. Used indoors for priming walls and ceilings made of plaster, concrete, and previously painted surfaces. Primer for humid rooms is applied with a roller or a brush in a thick layer. Choose Primer for humid rooms to be sure you are giving the right treatment for a bathroom before painting. 1 L covers approximately 6 m2, when painted in one layer.