How To Clean Mildew From Roof Shingles

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.

How to clean mildew from roof shingles.

Using bleach is recommended by most shingle roof manufactures and the arma asphalt roofing manufactures association. Mold stains can form on roof shingles that are in permanent shade. 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 your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it.

Simple cover your plants just as painters do. No pressure washers please. Feb 22 2012 unlike algae moss can be detrimental to asphalt shingle performance. How do we keep that fungus among us under control.

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. 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. If it s dirt the dark stain will remain but if it s mildew the stain will go away. How to clean roof shingles.

Graphic left courtesy spray and forget mildew and moss remover. 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. Apply a storebought or diy cleaning solution to remove the moss. Proper cleaning is an important step in roof maintenance.

A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew. The high powered water jets can damage shingles and remove the shingle granules that protect the roof. Some of this growth including the stains from algae spores. These stains will discolor your roof and damage the shingles over a period of time if left alone.