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3125 Woodbridge Ave Unit 5E, Edison, NJ 08837

NJ Cedar Roof Cleaning & Restoration

Non-pressure roof cleaning & moss removal contractor since 1996!

NJ Non-Pressure Cedar Roof Cleaning Services Since 1996!

Thompson Roof Cleaning & Powerwashing is a trusted cedar roof cleaning, shake maintenance, and restoration contractor in New Jersey. With nearly 30 years of roof cleaning experience, you can trust Thompson has the knowledge and know-how to safely and effectively clean and restore any cedar roof or cedar shake sides home.

In business since 1996, we specialize in a non-pressure roof cleaning process that completely eliminates algae, mold, mildew, moss, and lichen from your roof, using gentle detergents to thoroughly clean and sanitize roof surface for long-lasting results!

100% fully cleaned & sterilized roof

NJ Soft-Wash Cedar Roof Cleaning

As a family-owned & operated exterior cleaning contractor for nearly 30 years, we have extensive knowledge and experience effectively cleaning and sanitizing roofs for our New Jersey customers.

Over the decades, we’ve developed tools and methodology that guarantee long-lasting results without any harm to your property.

We guarantee a 100% fully cleaned and sterilized roof!

  • we only use soft-wash methods — we never pressure wash a roof
  • 100% kill ratio on mold, mildew, and algae — we don’t only clean, we sterilize/disinfect for long-lasting results
  • we only use non-toxic, manufacturers recommended, biodegradable detergents
  • we offer 3 Year Spot Free Warranty
NJ Cedar Roof Cleaning & Restoration Services Since 1996!

Cedar Roofs Benefits

Cedar is a popular roofing & siding material in New Jersey. Jersey shore is particularly dotted with wondrous architectural homes adorned with this high-end finishing material. 

Homeowners choose cedar for its unique curb appeal and durability. It’s undeniable that cedar roofs and siding are particularly beautiful, offering a stunning finish for homeowners who want to stand out. They also perform well in our microclimate, withstanding the harsh salty elements of the New Jersey shore and immediate inland. They are resistant to strong winds and durable in hurricanes, heavy rains, hail storms, snowstorms, and other types of severe storms.

NJ Cedar Roof Cleaning & Restoration Services Since 1996!
Cleaning NJ roofs since 1996!

Cedar Roof Cleaning & Maintenance

Cedar roofs and siding require regular maintenance to prevent moss, mold, and mildew growth. Most homeowners find it challenging, however, to find a trusted contractor who has experience properly handling this unique material. 

There is a lot of conflicting information and cleaning methods out there, but no clear-cut standard of maintenance, even from cedar shake manufacturers. Many homeowners end up deferring to the expertise of the contractor who installed the roof, for better or worse.

At Thompson, we’re experts at roof cleaning of any type, including cedar! 

With nearly 30 years of experience behind us, we understand the ins and outs of roof cleaning and how to handle it safely and effectively.

FAQ: Cedar Roof Cleaning: should we power wash our cedar roof?

The overall answer is no. Though cedar is very resilient towards the harshest of elements, its consistency is quite soft as far as wood is concerned. Using high pressure can certainly damage or dislodge the cedar shakes. The primary staining on a cedar shake roof is accumulated mold, algae, lichen, and/or moss. Each of these living organisms thrives in moist areas with little or no sunlight.

Pressure washing does not fully remove these organisms at the root level. To fully neutralize the stain a complete application of a properly ph-balanced disinfecting detergent must be applied to all areas of the cedar shakes. There are biodegradable detergents available on the market that safely eradicate living organisms that create stains on a cedar roof. 

After a full application and a short dwell period, the roof can be rinsed to neutralize any remaining detergent, leaving the cedar roof fresh, clean, and free of wood rotting algae, moss, and mold.

There is no need for pressure washing since pressure washing does not fully sterilize the roof. We approach the stain as a pest and aim to create a sterile surface. This is the best defense against the stain return.

NJ cedar roof restoration experts!

Cedar Shake Restoration + Nourishing Oil With UV Block

Cedar roofs are expensive to install and repair. Fortunately, cedar shake restoration is a practical and economical alternative that can bring your roofing and siding back to their glory–for a fraction of the cost. 

FAQ: Should we seal the cedar shake roof or siding?

Cedar shakes were designed to breathe as to not trap moisture. There are certain highly refined oils, such as this shingle oil, that can be applied to the shake while it’s wet and will act as a water-repellent. However, a fully sealed roof would trap moisture and create premature rot, so it is not recommended. 

NJ Cedar Roof Cleaning & Restoration Services Since 1996!

Each roof cleaning is guaranteed for full 3 years

Our Roof Moss Removal Approach Is Safe & Effective

We approach cleaning moss off the roof as treating an infection. Furthermore, we create a 100% sterile surface. You can be sure the roof remains stain-free for an extended period of time, whether it’s for asphalt roofs, cedar roofs, slate roofs, cement, or tile roofs. What you can expect:

Removal Of Unwanted Pests — A roof with moss, mold, lichen, and black stains absolutely cannot reflect sunlight. This lack of reflection creates higher attic temps and increased cooling costs in the summer. Not to mention these organisms are literally eating your roof. This is why we treat the problem like “pest control”.
Efficient & Safe Service — We clean roofs using water pressure no greater than 65 psi, which is equivalent to a garden hose pressure. We guarantee a 100% kill ratio of roof growths such as mold, moss, algae, and gleocapsa magma (which is the strand that causes those ugly black stains on an asphalt roofing shingle).
Lower Energy Costs — Particularly when you compare the cost of premature roof replacement and the increased electricity bills with the cost of treating a roof, you will quickly see that IT PAYS TO CLEAN YOUR ROOF!

Why Us?

Generous Warranty

3 Year Spot Free Warranty On Roof Cleaning

Customer satisfaction is always guaranteed! We are so confident in our roof cleaning service, we offer a Spot-Free Warranty for any new growth. 

Fully Licensed, Insured & Certified

OSHA & RCIA certified

How can you be sure your contractor has General Liability AND Worker’s Compensation? Don’t take “Yes” for an answer. Get a Certificate of Insurance directly from our underwriter. 

Exclusive Soft-Washing System™

2-Step Low-Pressure Cleaning Process

Utilizing state-of-the-art soft wash equipment and manufacturers-approved detergents, we guarantee full sterilization so that all surfaces stay clean longer.

Over 25 years of Experience

Full spectrum residential & commercial contractor

We’ve perfected our craft over the years in order to provide you with the level of cleanliness you are looking for every time.