There are different cleaning methods depending on the source of roof discolouration - blue-green algae leaves black streaks on the roof come from blue-green algae, while moss leaves green patches on the roof. Experts recommend using a garden hose filled with chlorine and water to clean the roof.
Recommended Pros in London, ON
Doing it Right the First Time
We're homeowners too and value honesty, transparency and good workmanship.
Your project will be ...Read more Over the past 12 years we have been providing affordable services for people that need assistance with jobs around the house ...Read more
Recently Reviewed London Roof
I contacted Windows by Installer about my broken kitchen window and thought I'd have that replaced with a solarium window and get an estimate for the rest. We ended up getting all windows replaced instead because we needed...
Excelent work great customer service and questions quickly answered will use again for any home improvement needed
I just had windows installed at my house. I'm so satisfied with the hole experience from when Alex come to give me a quote straight though till Boris installed them. Everything was so professional! I was so inpress that...