Window Cleaning and Pressure Washing in Oakland Co. | RWC Management Services
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Soft Wash Roof Cleaning

Have you ever wondered what was causing your roof to look streaky or dirty? Black algae, moss, and lichens are the most common forms of bacteria growing on your roof. Much of the organisms on a roof are there because of the warm, moist environment a roof creates, especially on the north and west sides of a roof. Micro organisms populate in an abundance growing so well that they begin to be noticeable to the human eye. Many roofing surfaces are made with materials that can be metabolized by the micro organisms. Shingles now contain limestone as a filler mixed into the aggregate of the shingle. Many of the algae, mildew and bacterias utilize this limestone as the base nutrient of their roof ecosystem and begin to feed on it.

Roof cleaning should be looked at as a necessary preventative maintenance for any roofing system.




What is the Soft Wash Method?

Soft Washing is a term coined in the professional Exterior Cleaning or Power Washing industry to describe a method of cleaning which does not involve the use of high pressure water. High Pressure Water or Power Washing a roof can be very damaging to a roof, especially a delicate substrate such as Asphalt Shingles, which is the most commonly used roofing material in America.

Why RWC Soft Roof Wash?

RWC employs the latest SOFT ROOF WASH process to safely eliminate algae, mold, mildew and dirt from your roof.

The Soft Roof Wash method consists of applying a cleaning solution, letting the solution do its job & then rinsing away the unwanted material while using only LOW PRESSURE to insure the safety of your roof, siding, windows, screens, etc… The low pressure is similar to that of a garden hose.  Soft Wash LOW Pressure Cleaning Methods combined with the highest quality cleaning solutions enable us to provide your property with a maximum level of cleanliness & curb appeal.  The four basic reasons for cleaning a roof are aesthetics, roof life, energy savings and health.


Benefits of Soft Wash Roof Washing

  • The most obvious benefit is that you will be left with a newer-looking, more aesthetically pleasing roof without all that unsightly algae growing all over it.
  • A clean roof can also actually increase the energy efficiency of your home by allowing the roof to reflect and displace heat like it’s intended to do, as opposed to a dirty roof which will actually absorb more heat.
  • Maximize curb appeal to your home with safe, effective soft roof wash methods, that is not possible with damaging pressure wash techniques
  • Lastly, removing all that algae and mold will make your home a safer environment for your family and pets.

The end goal is to get as much wear, use and return on investment  you possibly can from the roof you purchased.



Dangers of Pressure Washing a Roof.

Pressure Washing is dangerous for cleaning roofs. Pressure washing should never be used for direct cleaning of a shingle roof’s surface. In fact, at the nozzle of the spray gun the water pressure should not exceed 150 psi. The constant blowing and blasting accelerates ageing on the building surfaces. Power washing also leaves behind the root system of the bacteria growing, as well as blasts the spores of the algae and fungus deeper into the surface cracks and fishers in the building materials(NOTE PICTURE BELOW). Then, instead of leaving the chemicals on the roof, power washing actually rinses the chemicals and any residual value from them away. The pressure of the water causes the granules of the shingle to deteriorate, in effect causing you to lose roof life. Using this technique could void your warranty of your shingle.

The picture to the left shows the result of power washing ineffectively ridding the roof of hazardous bacteria causing the mold to grow under the roof.


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