What Causes Roof Stains and How Can Cleaning Help?
Dark streaks, green patches and rusty-looking marks can make a roof look neglected, but stains are not always just a cosmetic issue. In Unley and the wider Southern Adelaide area, roofs experience hot, sunny periods as well as seasonal rain and periods of humidity. Dust, leaf litter and airborne organic matter can collect on roof surfaces, while shaded or damp areas may encourage algae, moss or lichen. The cause matters: the right cleaning approach can improve appearance an