How To Clean A Metal Roof Youtube. Albeit, the roof has some green to it (it's cobblestone gray from landmark pro). Clean the area using denatured alcohol and add new sealant over the area that is cracked.
Start by power washing the roof. If you climb a metal roof with tiny rocks stuck in the bottom of your shoes, you risk to scratch the steel and damage it. Position your ladder as close to where you need to be on the roof, but away from any known weak spots.
Roof stains return in as few as 9 months, and the roof mold is worse than before.
Clean your shoe bottoms from dirt and small rocks. It should extend at least 3 feet above the roof edge so you have something to hold onto. One of the most gentle yet effective ways to remove roof moss and clean the roof is by way of scraping. Plus, chlorine bleach is a corrosive agent that can damage metal roof flashings, gutters and downspouts.