[dad911]

I've hired cleaners to do siding, it's not that expensive, about $350 for a 4200 sf house. They have a telescoping attachment for the power washer, with a brush on the end.

Looked like this, but had a scrub brush on the end:

https://www.amazon.com/North-America-Telescoping-Lance-Fiberglass/dp/B0091NWNFC/ref=sr_1_1_sspa?keywords=power+washer+extension+br ush&qid=1569337643&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExTVlYRkxSVk5PQ1RZJ mVuY3J5cHRlZElkPUEwMzcxMjAxMjdJTDNUMUVUWTdCNiZlbmN yeXB0ZWRBZElkPUEwNzEzOTU1SEgwWFNLV1ZWTUlUJndpZGdld E5hbWU9c3BfYXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm9 0TG9nQ2xpY2s9dHJ1ZQ==