Black Algae Stains On Roof Shingles

How to get rid of roof rats february 27 2019.

Black algae stains on roof shingles. Roofing manufacturers have tackled the problem of roof algae by creating shingles containing copper which is deadly to algae. You have probably noticed that asphalt shingle roofs often have unsightly dark streaks especially if you live in a. These roof invaders require a moisture rich environment usually. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them.

This article explains methods for cleaning off and preventing future roof stains due to algae or black fungal growth or green algae on roof shingles the effects of these conditions and how to cure or prevent them. The black spots discoloring your asphalt roof are more than likely the pervasive and prevalent algae known as gloecapsa magma. Black stains on an asphalt roof caused by algae. Rain will wash small amounts of copper down your roof which will poison the algae.

Though often attributed to an accumulation of dirt defective shingles mold or mildew. Published by crucial roof services at february 27 2019. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. These black roof algal stains are sometimes misnamed or misidentified as a black fungus or even a mildew.

Some black stains on asphalt roof shingles are caused by a black algae typically gloeocapsa magma. Three ways to clean unsightly roof stains february 27 2019. It is not uncommon for roof shingles to turn black over time. This will leave approximately two inches exposed to the weather.

When that happens it is generally caused by mildew algae mold or dirt stains. The streaks look like mold but they re actually algae colonies that form in your shingles and feed on moisture and the limestone filler agents in the shingles. The most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores. You should be able to slide the copper up under the shingles approximately five inches or so.

These create a powerful sunscreen and offer you different colors to match your exterior decorating scheme. Replacing the shingles on your roof just because you have black stains is not necessary however and you should be suspicious of any roofer that suggests roof shingle replacement as the only solution to your algae problem. These help to prevent the ugly black roof algae stains you might see on your existing roof or that of a neighbor. Algae and occasionally fungal growth discolors roof shingles.

Many shingle manufacturers make shingles that have special colored granules that contain copper.