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ROOF WASHING

Professional Roof Washing in Rhode Island
At Knock Out Power Washing, we provide expert roof washing services in Rhode Island, helping homeowners protect and maintain their roofs by removing black streaks, moss, lichen, and algae. Over time, your roof collects dirt, organic growth, and environmental debris, leading to discoloration, shingle deterioration, and reduced energy efficiency. Our soft washing technique safely and effectively cleans your roof without causing damage, extending its lifespan and improving your home's curb appeal.
Why Roof Washing is Essential

Your roof is constantly exposed to rain, sun, wind, and organic buildup, which can lead to stains, deterioration, and even costly repairs if left untreated. The black streaks commonly seen on roofs are caused by Gloeocapsa Magma, a type of algae that feeds on the limestone in shingles, weakening them over time. Moss and lichen can also take root, lifting shingles and causing potential leaks.

At Knock Out Power Washing, we use a low-pressure soft washing system combined with biodegradable, eco-friendly cleaning solutions to eliminate algae, moss, and stains safely. This prevents damage to shingles and tiles, unlike traditional high-pressure washing, which can strip away granules and shorten the roof’s lifespan.

Our Roof Washing Services

We specialize in safe and effective roof cleaning for all types of residential and commercial properties, including:

✅ Asphalt Shingle Roof Cleaning – Remove black streaks, algae, and moss to extend the life of your shingles.
✅ Metal Roof Washing – Eliminate rust stains, dirt, and mildew buildup for a polished, clean appearance.
✅ Tile & Slate Roof Cleaning – Safely clean delicate tile and slate surfaces without causing cracks or damage.
✅ Moss & Lichen Removal – Prevent moss and lichen from lifting shingles and causing leaks.
✅ Gutter & Roofline Cleaning – Ensure water drains properly by keeping gutters and roof edges free of buildup.

The Benefits of Professional Roof Washing in Rhode Island
 
✅ Extends Roof Lifespan – Regular cleaning prevents damage, helping your roof last longer and delaying costly replacements.
✅ Enhances Curb Appeal – A clean roof improves your home’s appearance and boosts property value.
✅ Improves Energy Efficiency – Removing dark stains and algae helps reflect heat, keeping your home cooler and lowering energy bills.
✅ Prevents Costly Repairs – Cleaning eliminates organic growth that weakens shingles and leads to leaks.
✅ Eco-Friendly & Safe – Our biodegradable cleaning solutions effectively remove stains without harming landscaping or the environment.
Why Choose Knock Out Power Washing?

As a trusted roof washing company in Rhode Island, Knock Out Power Washing is dedicated to safely and effectively restoring your roof with professional soft washing techniques. Our fully insured and experienced team ensures a damage-free, deep clean that enhances the look and longevity of your roof.

If you’re looking for the best roof washing in Rhode Island, trust Knock Out Power Washing to remove stains, algae, and moss while protecting your home. Let us help extend the life of your roof and keep your property looking its best!

Mission Statement

At Knock Out Power Washing, our mission is to deliver top-quality, professional exterior cleaning services that restore and protect homes and businesses across Rhode Island.

 

We are committed to exceptional results, customer satisfaction, and eco-friendly solutions, ensuring every property we clean looks its best while standing the test of time.

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Service Area 

  • Coventry

  • Warwick

  • West Warwick

  • West Greenwich

  • East Greenwich

  • North Kingstown

  • Cranston

  • Scituate

  • Richmond

  • Jamestown

  • Narragansett

  • ​Charlestown

  • Exeter

  • Foster

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Knockout Power Washing 2025
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