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November 14, 2021

Roof Cleaning in Grafton

Gleocapsa magma removal on a detached garage in Ozaukee County.

Gleocapsa Magma In Ozaukee County

The pictures throughout this article is a roof cleaning in Grafton that we performed in late fall. Black streaks(gleocapsa magma) is a common bacteria found on roofs all throughout Southeastern Wisconsin. You would be hard pressed to drive a mile in any direction and not see a roof affected by this condition.

The good news is it can be treated fairly easily. It can be tempting for one to attempt to remove these black streaks with a pressure washer. Unfortunately, high pressure on a roof can almost instantly shave years off the lifespan by removing the granules. Not only that, but the high pressure does nothing to address the bacteria and it will return pretty quickly. 

The Asphalt Roofing Manufacturers Association recommends a bleach solution applied with low pressure. This not only protects your roof from high pressure damage but also kills the bacteria growing on your roof and essentially letting it start over from scratch. 

Low Pressure Roof Cleaning In Grafton

Back yard view of a house with gleocapsa magma. This roof cleaning in Grafton took place late in the year.

As of this writing, I am looking out my back door and it is snowing. We are just about to wrap up for the year but have still been extremely busy for the month of November. Recently we did a roof cleaning in Grafton, about a half mile inland from the lake. This is a really common issue in our area, especially by the lake. The higher moisture content leads to quicker bacteria growth and can be quite the eye sore. 

Fortunately, this can be cleaned and does not require replacing the roof, like many people assume.

This beautiful house, off Lake Shore Rd, has hardie board siding. Roof cleaning companies need to be very careful when working with this siding material as the chemicals used on the roof can potentially stain the siding and require a paint job. This is why it is imperative when looking for a shingle cleaning company that they are experienced and professional.  When washing any roofs in Milwaukee and surrounding counties, soft washing is a must.  This is the only effective method when cleaning a roof as it does not affect the integrity of the shingles. 

Hardie board house with black streaks on the roof

Non Damaging Roof Cleaning

Most of the issues on this house were on the north side. This is common due to the lack of sunlight north facing building received. 

After the application was applied and started cleaning the shingles, it did not take long to restore the roof’s condition. As you can see in the pictures below, this roof cleaning in Grafton turned out great! Usually the gleopcapsa starts to disappear roughly 10-15 minutes after the initial application. A second application is sometimes necessary depending on the severity of the stains. 

Back of the house before and after pictures of a roof cleaning.
Before and after pictures of side view of house that had it's roof washed.

Local Professional Roof Cleaning Services

When looking for a roof cleaning company, it’s important to not just hire anyone with a pressure washer. Making sure the company has the ability to wash with low pressure is a necessity. After all, it is typically your most expensive asset you own so hiring a professional company that specializes in roof cleaning is a must. With Vista Pro Exterior Cleaning, we have the best equipment in the industry.  

Here at Vista Pro Exterior Cleaning, every property we wash we consider it be our own. Whether it be roof cleaning, house washing, or any other pressure washing service, trust the professionals with years of experience and over a hundred five star google reviews. Utilize our instant quoting software by clicking the link at the top of the page, or simply call us at 262-675-4102.

See Also: ___________________________________________________________________________________

7 Reasons It’s Best To Hire a Roof Cleaning Company As Opposed to DIY

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