Join the MRA | Member Login
Find a Professional
  • Why Metal Roofing?
    • About MRA
    • Benefits of Metal Roofing
    • Compare Roofing Materials
    • Homeowner Testimonials
    • Inspiring Metal Roofing Projects
  • Homeowner Resources
    • Metal Roofing Buyers Guide
    • Resilient Housing Guide
    • Metal Roof Sustainability Guide
    • Above All Else You Need a New Roof eBook
    • MRA News
    • Member Provided Resources
    • 3rd Party Articles
    • Frequently Asked Questions
    • Preparing for Hurricane Season
  • Gallery
  • Visualizer
  • Ask The Experts
    • Energy Efficiency
    • Existing Metal Roof Questions
    • Installation
    • Is A Metal Roof Right For My House
    • Metal Roofing Benefits
    • Product Selection
    • Other
    • Archive
  • Find a Professional
Join the MRA Member Login
Sign Up Log In Add New Topic

TOPIC: I Have An Existing Metal Roof and Have A Question

Kill First? Or Just Wash?

Return to I Have An Existing Metal Roof and Have A Question

Return to Forum

Hi Folks, My HOA is in the process of hiring a contractor to clean our metal roofs that have moss and lichen growth. Some contractors plan to scrub with chemical solutions and pressure wash the same day, others say you've got to kill the growth first and wait awhile before washing or it can damage the finish. We'd sure like to get an opinion from the group on which way to go. Thanks....
Jim Bell

4/7/2017
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/21937/find/
You can do both in the same day in my opinion. I would check with the manufacturer on the panel to make sure the contractor is using a compliant solution that will not further damage the paint. Eric Novotny
Eric Novotny
An informed customer is the Best Customer!

4/7/2017
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/21938/find/
I am checking to see which you did and how this worked out for you? WE just bought an old home, with metal roof. But have not idea what brand it might be... we are in Eastern Washington, but there is a large maple tree over that end of the house. We are also in an agricultural area, so at times there is a lot of blowing dust. We are hoping to find something that we might be able to do our selves...
Guest User

10/6/2017
Share
Or copy this URL: https://www.metalroofing.com/spirit/comment/21939/find/

If you would like to reply to this thread, please log in. If you do not have an Ask the Experts forum user account, create one here.

  • About the MRA
    • Member Companies
    • Leadership
    • MRA News
  • For Professionals
    • Join the MRA
    • Industry Resources
    • Upcoming Events
  • Contact
  • Subscribe
©2023 Metal Roofing Alliance. All Rights Reserved. Privacy Policy Terms and Conditions