A pressure washer will definitely save a lot of time, but the loose ridge capping would make me avoid using full pressure straight away. Around 2,000 PSI is usually enough for moss if you keep the nozzle at a reasonable distance and always work from the ridge down toward the gutters. That helps reduce the chance of forcing water under the…[Read more]

A pressure washer will definitely save a lot of time, but the loose ridge capping would make me avoid using full pressure straight away. Around 2,000 PSI is usually enough for moss if you keep the nozzle at a reasonable distance and always work from the ridge down toward the gutters. That helps reduce the chance of forcing water under the…[Read more]