Step-by-Step Guide to Cleaning Lichen Off Concrete Tiles
If you own a home in Brisbane Northside, from Chermside and Aspley to Strathpine, Albany Creek and Bray Park, you have probably noticed greenish-grey, orange or yellow crusty patches spreading across your concrete roof tiles. That is lichen. It is common in our warm, humid subtropical climate, especially on shaded southern roof faces and in leafy suburbs with plenty of mature trees. This guide explains what lichen is, why it matters, and how to remove it safely and effectiv