We are PDX BROTHERS Roof Cleaning in Portland. We specialize in conducting in-depth roof cleaning to remove moss, algae, stains and any other materials that can damage your roof. We provide regular roof maintenance in Portland to extend the lifespan of your roof by 30-50%! All roofs need to be periodically inspected and maintained. Our moss preventative treatment also comes with a 2 year ‘NO MOSS’ warranty. Other services include cedar roof cleaning, pressure washing, gutter and window cleaning.