Moss can grow on almost any surface such as walls, pavements and trees. Its growth produces tiny spores that eventually become airborne. These spores settle on roofs and other potential growth sites and during the colder months of the year the spores grow into moss. It can be a particularly persistent problem on roofs. Continue reading →

Over time, roofs can start to develop dark or green patches as moss starts to grow. This is relatively common in the UK because of the wet weather and the popularity of pitched roofs. It occurs more commonly on roofs that are shaded for long periods of time because moss dries out and doesn’t grow when in direct sunlight. Continue reading →