Removing Stains From Roof Shingles

Removing algae stains from roof shingles is easy with the right technique.

Removing stains from roof shingles.

How to clean roof shingles. I had to get out the pressure washer to really clean the roof but needed to use caution to not damage it. Adjusters know it can take 2 3 years for hail damage to become appearant so usually honor the claim. If hard rains do remove an excessive amount of granules along with the stains then the shingle may be defective or suffered hail damage during the storm or from those in the past that initially loosened the granules.

It is important that the roof be wet when the cleaning mixture is applied or it may evaporate before it has a chance to work. Roof stains other roof issues. These are tough stains to completely remove as the algae is embedded deep in the shingle grit. Chlorine bleach and trisodium phosphate step 1 wet down the roof with water from the garden hose.

Remove black stains from roof shingles to preserve the appearance of your home s roof. Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach. If your household water pressure isn t enough to generate the proper nozzle pressure at the jets the manufacturer recommends boosting it. One day you may notice that your roof is turning black or fungus is spreading across of it.

When you clean your own roof shingles be prepared to set aside an afternoon and get your ladder out. A mixture of trisodium phosphate tsp bleach and water will also remove stains. Today it is a big problem because the design of asphalt shingles has changed over time for the last 30 years or so asphalt shingles have been manufactured using limestone as the base filler this is the core of the problem as this design encourages the stain spreading across the roof. Some of this growth including the stains from algae spores.

Proper cleaning is an important step in roof maintenance. Not to mention the danger of using a pressure washer on a pitched roof.