What are the dark stains on my roof?

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What are the dark stains on my roof?
By Scott Rogers • September 30, 2010 Filed In: home improvement
It's natural to be worried about the condition of a roof if it looks like the photo above. You might reasonably think that the shingles are damaged or defective in some way. But there's good news -- it's likely just algae! This roof algae, which appears relatively frequently in/around Harrisonburg and Rockingham County grows and thrives by consuming the materials that roof shingles are made of --- for example, calcium carbonate. The algae does not seem to cause the shingles any harm, but it makes for an unattractive roof --- that makes home buyers wonder whether something is wrong with the roof. How can you get rid of these stains, you might ask? Per eHow, some simple cleaning with bleach will do the trick. Or you could install zinc strips at the top of the roof to stop new growth. Or you could (at some point) replace your shingles with algae block shingles that include copper granules. The copper prevents the algae from growing. Receive updates from HarrisonburgHousingToday.com via e-mail: Enter your e-mail address: Recent Articles: How Is Coronavirus Affecting How Many Buyers Are Buying Homes In Harrisonburg, Rockingham County? And Where Do The Buyers Work And What Do They Do? Some Segment Of Home Buyers Will Not Be Able To Buy For A Time Careful What You Say While Touring A House For Sale Is Social Distancing Keeping Buyers From Buying Houses In Harrisonburg? Should I Buy A Home Now? Should I List My House For Sale Now? It Is A Great Time To Virtually Walk Through A Home Buying When Needing To Sell But Only If You Can Buy But After You Sell Sorting Through Multiple Perspectives On Home Value
Have any questions? Contact Scott Rogers at 540-578-0102 or scott@funkhousergroup.com
Based on information from the Harrisonburg-Rockingham Association of REALTORS® or its MLS, for the period Jan 1, 2000 through Apr 03, 2020 (unless otherwise noted).
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