Welcome to the Conservatories Clinic

Helping conservatory owners diagnose common problems with existing installations

There's algae on my conservatory roof

A White Knight uPVC Lean To conservatory

Unfortunately, algae and moss build-up is largely unavoidable, particularly over the damp winter months. The worse the weather is then the greater the chance of algae and moss becoming an issue, particularly if your conservatory is north facing. Fortunately, both algae and moss are easy to clean and there are plenty of products out there to remove it and to help prevent it building up in the future.

If you have algae or moss on the inside of your conservatory then that’s a bigger issue. This means you probably have a leak somewhere in the roof of your conservatory which should be looked at immediately.