5 Dumb Things People Do (And Don't Do) To Their Roofings Some things you cannot manage, like a cyclone or heavy storm, however there are a few things within your control that might really be causing your roof more damage than good. Here are 5 things that individuals do (and don't do) that put their roof at danger. 1. Cleaning it with a pressure tube If you're getting a bulk of mould, moss or algae, it might appear like an insane concept to obtain the high-pressure water hose pipe out and spray the issue away. But if you do not know exactly what you're doing, you might be triggering more damage. The intense jet of water can take the leading layer of protectant off your roof product, be it metal, decramastic, terracotta, or concrete, and actually make it more vulnerable to decay. It's better to be safe than sorry, so ask an expert for assistance. 2. Not trimming overhanging trees Trees can drop limbs at any time, so it's important to trim branches that overhang or are too close to your house. They can also use away at your roof material by continuous brushing versus it if branches are touching your roof. This can result in holes and leakages. It's especially essential in Queensland to cut your trees in preparation for storm season, as strong winds and rain mean trees are most likely to drop limbs. That leads us into our next point ...