This is a great question. Certainly if done with the wrong equipment or by untrained persons, jet washing can be quite damaging to your...

Your patio or driveway was a considerable investment, but the British weather has made it look unsightly and hard to clean. You've maybe...

Looking up and seeing those black streaks is never a good thing, but what causes it? Gloeocapsa magma, a tough algae, is responsible for...