Roof Cleaning

Valparaiso Indiana Roof Cleaning

Valparaiso Indiana Roof Cleaning

Valparaiso, Indiana Roof Cleaning Services

Dirt, mold and algae oh my!  There’s not much that detracts from the appearance of a Valparaiso, Indiana home than black streaks running down the asphalt roof.  It can take a five year old roof and make it look like it thirty years old and detract from the curb appeal of your home tremendously!  What exactly are these streaks and what causes them?  Let’s get into the science end of it!

Gloeocapsa magma is a species of cyanobacteria and what actually is growing on your roof. Cyanobacteria are an ancient line of photosynthesizing bacteria, which photolyze water generating oxygen gas. Ancient cyanobacteria were ancestral to the chloroplasts of all plants on earth. Gloeocapsa magma has gained notoriety in theSoutheastern United States, but, it is also spreading throughout the Midwest. This particular type of cyanobacteria is responsible for creating black stains and streaks on roofs.[1] The bacteria accumulate over time as it feeds on moisture and calcium carbonate.[2] This accumulation begins to show the black stains as the cyanobacteria develop their dark and hard UV-protective outer coating.

The main reasons for the rapid spread and noticeability of these cyanobacteria are thought to be:

1. Rising humidity and temperatures combined with more and more bacteria spores promotes their spread with these favorable conditions.

2. Fiberglass shingles (the most commonly seen amongst today’s residential homes) are made with limestone as a filler (in the asphalt). These shingles hold moisture and organic “bacteria food” material longer (especially on the North-side in the Midwest) than the paper/asphalt/ceramic shingles of 20+ years ago. Additionally, these particular bacteria enjoy the limestone as a food source.

Once the bacteria have become noticeable, the stains will continue to worsen year to year. There is debate over the actual harmfulness of this particular bacteria to roofs, as there is little supportive scientific research. However, most “experts” within the subject area conclude the bacteria to be harmful, if left untreated, as the growth holds moisture within shingles causing premature aging, rotting, and/or granule loss.

Note: Gloeocapsa magma may resemble “algae” in that they are green, but in fact cyanobacteria are bacteria whereas algae are single-celled eukaryotes (cells with nuclei) that are closely related to plants.

The good news is Indiana ProWash can remove this “roof algae” through our Valparaiso Roof Cleaning service.  We apply our solutions through a low pressure application system to the roof shingles and allow it to saturate the surface.  These specialty cleaners will work to not only kill off the algae but also remove accumulated dirt and debris.  Often times your roof can be treated from the gutter line but some Valparaiso Roof Cleaning will require us to walk the roof line.  Call us today at (219) 885-9274 or submit a request below for a free estimate and consultation.

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