Roof Cleaning and Demossing
While a mossy, mouldy or dirty roof might look unattractive, it in no way affects the performance or lifespan of a roof. Most roof repair companies use fear and lies to get people to spend more money than they wanted too. We will happily demoss or clean any roof if people understand why they would do it and it’s purely for cosmetic reasons.
Pressure cleaning is by far the MOST effective and immediate way to clean and demoss a roof. There is always the risk of water penetrating inside the house especially when being carried out by inexperienced or poorly trained people but the risk is minimal when using experienced, well trained tradesman like our employees.
Chemicals such as “Wet and Forget”, Sodium Hydrochloride or Hypo, Hydrochloric and Sulphuric acid that are applied directly onto the roof and left on to kill the moss and wash off over time are inconsistent and damaging to roof flashings, valley irons and guttering.
Our recommendation is that if you do want to clean your roof don’t use chemicals, just water pressure.