Nov152026
Roof Mould vs Algae: How to Identify and Treat Each Safely
Dark streaks and green patches on a roof are not always mould. Algae, mould, moss and lichen can look similar from the ground, but they need different treatment. For Hawkesbury homeowners, humid weather, shaded roof sections and accumulated leaf litter can encourage growth, particularly where surfaces stay damp. Correct identification helps prevent unnecessary chemical treatment and damage to tiles, metal finishes and surrounding gardens. Before booking cleaning or at