Gorilla Kleen, a Sarasota-based exterior cleaning company accredited by Power Washers of North America, is alerting homeowners to the significant risks associated with high-pressure roof washing and highlighting the critical distinction between pressure washing and soft washing methods for residential roof maintenance.
The company is drawing attention to documented evidence showing that improper pressure washing techniques can void manufacturer warranties on roofing materials and accelerate structural deterioration. This consumer education initiative addresses a widespread industry practice that many homeowners remain unaware could potentially damage their most significant property investment.
High-pressure washing and soft washing represent fundamentally different approaches to roof cleaning. High-pressure methods employ forceful water jets that can crack or dislodge shingles, strip away protective granules, and in many documented cases, nullify manufacturer warranties. These warranties often contain specific language prohibiting cleaning methods that exceed certain pressure thresholds.
In contrast, soft washing utilizes low-pressure water combined with biodegradable cleaning solutions that break down algae, mold, and biological growth at the molecular level without applying mechanical force to roofing materials. This method addresses the root cause of roof discoloration and deterioration while preserving the integrity of shingles and maintaining warranty protection.
The distinction between these methods carries particular significance in humid climates where algae and mold growth on roofing materials represents a documented structural issue rather than merely a cosmetic concern. Research indicates that certain types of algae, particularly Gloeocapsa magma, feed on the limestone filler commonly used in asphalt shingles, gradually compromising the roof's protective capabilities and reducing its expected lifespan.
"Property owners deserve to understand that roof cleaning involves more than aesthetic considerations," stated John McLoud, President of Gorilla Kleen. "When contractors use high-pressure methods on residential roofs, they risk causing immediate physical damage and potentially voiding warranties that homeowners depend on for protection against defects. We consider it our professional responsibility to ensure consumers understand these distinctions before any work begins on their property."
The roofing industry has increasingly recognized soft washing as the appropriate standard for residential roof maintenance. Major shingle manufacturers now specifically recommend against high-pressure cleaning in their warranty documentation, instead endorsing gentle cleaning methods that preserve the engineered properties of modern roofing materials.
Homeowners seeking roof cleaning services should verify that contractors understand and follow manufacturer-recommended cleaning procedures. This includes confirming the use of appropriate pressure settings, typically below 100 PSI for most residential roofing materials, and the application of cleaning solutions specifically formulated for roof surfaces.
https://youtu.be/4e6vRc6aNZA?si=Ff1L5cbtc-aZ9UCX
Gorilla Kleen is a locally owned exterior cleaning company serving the Sarasota area, accredited by Power Washers of North America, maintaining EPA compliance, and committed to using biodegradable cleaning solutions in all residential and commercial applications.
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For more information about Gorilla Kleen, contact the company here:
Gorilla Kleen
John McLoud
(941) 952-1000
john@gorillakleen.com
2036 20th St. Sarasota, FL 34234
