Five Roof Cleaning Mistakes Made by Inexperienced Roof Cleaning Companies. It would be nice to think you can trust the pros. This goes for whether you are dealing with attorneys, plumbers, pilots or yes, even roof cleaners. Unfortunately, that is not always the case. And in a poor economy, a lot of unskilled workers or contractors from other fields, will start doing anything for a buck, including the very dangerous, important, and specialized job of roof cleaning.

The good news is that with a little awareness, you can quickly learn whether you are dealing with a seasoned professional firm or someone using your roof as part of their learning curve (i.e., paying to be someone’s guinea pig.) Here are five common mistakes made by inexperienced roof cleaners that you can look for.

1. Power washing with non-customized equipment

Let’s face it, most competent roof cleaners will rightfully tell you that you should avoid power washing all together. While this is very good advice that I agree with, you never want to paint with too broad of a brush. Anyone who has cleaned thousands or at least many hundreds of roofs will tell you that there is the rare roof that …