Yes, bleach will kill the moss on your roof. So will detergent (another common myth for removing moss). However, what you don't hear about is the damage that bleach can cause and the long-term effects of using bleach to remove moss from the roof. Follow these step-by-step instructions to remove moss and any other debris that has accumulated on the roof.
The algae will disappear during the following storms and the moss will eventually loosen up to the point where it can be removed with a leaf blower. Moss grows in areas not affected by the sun, so it can develop at an accelerated rate on tree-shaded, north-facing roofs. If you have a moss problem that is thick and lumpy or that covers large parts of the roof, it's quite possible that the roof is already irreparably damaged. Don't be tempted to rush to remove the moss faster by having someone pressure wash your roof, or scrub the bleach solution, or brush or scrape the moss, although you can find tips on the Internet that recommend doing so as long as you're kind.
Spreading moss can quickly adhere to roof surfaces, fill gaps between shingles and shingles, and reach underneath and lift roofing materials. Finally, washing the roof too often will cause the granules to become too loose, shortening the life expectancy of the roof, so if you find that algae or moss reappear, consult a roof cleaning professional. If you want to remove moss from your roof, call us anytime (28-964-739) or fill out the form below and we'll arrange for an inspection. Chlorine bleach removes mosses, fungi and mold, but it can damage plants, so dilute it before spraying it on the ceiling.
Before you clean the moss from the ceiling, you'll need to consider how you want to kill plants and remove dead layers. If your moss problem requires more than just a simple scrub, there are a wide variety of commercial cleaning solutions, as well as homemade recipes for removing moss from roofs that will do their job. Just wait for the next cloudy day before going out to the roof with the cleaner of your choice, you don't want a solution to evaporate too quickly. A thick growth of moss works like a sponge, keeps the roof moist for long periods of time, and can lift the edges of shingles, making them vulnerable to falling off in a windstorm.
Prevent a moss problem from recurring by installing strips of zinc- or copper-coated sheet metal just below the upper ridge on both sides of the roof.