torkmärke
Torkmärke is a Swedish term that translates to "drying mark" or "water stain." It is commonly used to describe the discoloration that appears on a surface, typically a wall or ceiling, when water has seeped through and then dried. These marks are often brown, yellow, or sometimes reddish in color and can vary in size and shape depending on the extent and duration of the water exposure.
Torkmärken are usually indicative of a past or present water leak. Common sources include leaky pipes, roof
Removing torkmärken can be challenging. The stain often penetrates the material, and simple cleaning may not