How To Clean Mildew From Roof Shingles

Proper cleaning is an important step in roof maintenance.

How to clean mildew from roof shingles.

The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae. How do we keep that fungus among us under control. A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it.

They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done. One day you may notice that your roof is turning black or fungus is spreading across of it. Moss can cause the leading edges of the shingles to lift or curl which darkening the shingles to restore the inherent beauty of the wood will involve cleaning staining and sealing each shingle for routine mildew and light mold this step can be. No pressure washers please.

The most effective method of cleaning algae and moss from a roof is w ith a 50 50 mix of laundry strength liquid chlorine bleach and w ater. If it s dirt the dark stain will remain but if it s mildew the stain will go away. Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association. Graphic left courtesy spray and forget mildew and moss remover.

Feb 22 2012 unlike algae moss can be detrimental to asphalt shingle performance. Mold stains can form on roof shingles that are in permanent shade. Roof cleaning is a topic that draws yawns in new england but causes shudders and screams of agony from florida and points south where vegetable life seeks world domination. Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside not to worry though because you can clean the mold off with basic household bleach and save.

One way to determine if it s mildew is to put a few drops of chlorine bleach on to the black mark. Apply a storebought or diy cleaning solution to remove the moss. Some of this growth including the stains from algae spores. Simple cover your plants just as painters do.