1. Should the moss be treated as Asbestos Contaminated? The short answer: Generally, yes. Moss doesn't just sit on top of the sheet; it sends "roots" (rhizoids) into the surface of the asbestos cement. As the moss grows and expands, it physically prys apart the top layer of the cement matrix. When the moss is pulled away—or falls off naturally—it often takes tiny asbestos fibres with it. Therefore, any moss removed from an asbestos roof should be treated as Asbestos Contamina

If you are renovating an older property or managing a commercial building in the UK built pre 2000, you’ve likely heard the terms " licensed " and " non-licensed " asbestos. But what exactly does the latter mean? In the UK, the Control of Asbestos Regulations 2012 categorises asbestos work based on risk. "Non-licensed" doesn't mean the asbestos is safe—it simply means the material is less likely to release dangerous fibres into the air when handled correctly. What Makes Asbe