How To Remove Algae Stains From Roof Shingles

The only way to take care of it is to use a high base chemical solution like zinc sulfate.

How to remove algae stains from roof shingles.

It takes special care to clean algae roof stains and moss off the roof. Black stains on asphalt shingle roof caused by algae growth. Whenever it rains trace amounts of metals are washed down the roof inhibiting algae growth. Mix up oxygen based cleaner with water in a five gallon bucket following the instructions.

A stain blocking product can buy you up to three years of protection from algae. Roof shingle algae stains and roof warranties. Remove black stains from roof shingles to preserve the appearance of your home s roof. The organisms use your roof shingles as food which slowly deteriorates the materials.

When that happens it is generally caused by mildew algae mold or dirt stains. These black streaks are unsightly and can diminish the appearance of the entire exterior of the home. It is not uncommon for roof shingles to turn black over time. While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles.

To clean an asphalt shingle roof to remove black algae stains. How to remove algae from roof shingles here in oregon mostly blue green algae grows on the outside of the house or on the roof shingles. Getting rid of the problem is important but how do you safely remove algae and moss from roof shingles. To remove and prevent black algae stains on roofs see black stain removal prevention.

Whether you install the metallic strips or apply the stain blocking solutions you re still going to experience algae regrowth sometime down the road. Here are some major roofing manufacturer s warranty statements. If you decide to try it apply it shortly after you ve cleaned the roof. Algae stains can be removed by cleaning though they usually return.

The ugly black red green or brown stains on your roof are likely algae or moss. Algae resistance provisions of asphalt roof shingle warranties are limited in coverage and scope.