Soft Wash & Low Pressure Roof Cleaning

Tile, Shingle & Any Surface Roof, We CLEAN Them All!

North East Power Washing

Roof Cleaning Professionals

Regardless of the size and type your roof may be, we have the right equipment for the job. Always be certain that no matter what company you choose to clean your roof, they have the proper equipment to do the work without harming the roof by using high pressure systems. Rest assured, when you select NorthEast PowerWashing for the job, your roof will be clean and unharmed!

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Watch us in action

Get an inside glance of our soft/low pressure roof washing system in action. From putting down an environmentally friendly solution, to the low pressure rinse, this video will show you NorthEast PowerWashing in action.

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What’s attacking your roof?

With shingles today we are seeing an increasingly large number of roofs that are a breeding ground for organic growth. Why you might ask? With the creation of the EPA, the shingle manufacturers in the mid 90’s set out to make shingles more environmentally friendly. In the process, the composition of the shingle went from a complete petroleum based product to a more organic product. The introduction of limestone was one of the main changes made to the makeup of shingles. 

When the shingles were a complete petroleum based product,  there were no food sources for organic growth. Roofs still saw just as much sun and moisture in the past. Now, with the introduction of limestone, everything has changed! Now we have water, sun, and a food source for organic growth; a process called photosynthesis. If left untreated over time, this can cause damage to your shingles which can lead to premature failure.

The solution & how to restore your roof

The solution is to have your roof professionally cleaned and maintained. Here at NorthEast PowerWashing we have the skills and the experience to not only give your roof a new look but to also extend the life of it! These days there are many forms of living organisms that can grow on roof tops and it is important to have them removed properly and safely. We hope that we can form a relationship of trust with you and be your number one choice for all you exterior cleaning needs.

What’s the best option for cleaning your roof?

Soft wash vs. low pressure

The two methods of removal that NorthEast PowerWashing offers are a “No pressure” and a “Low pressure” type roof cleaning.

No Pressure Roof Cleaning

The “no pressure” method is basically what we like to call a ‘spray-and-leave’ type application with no rinsing involved. Depending on how much organic growth there is on the roof, we will generally treat the affected areas of the roof twice in the same visit and on really bad roofs a third application may be necessary. With this application you can expect any black algae stains to be 80 to 90 percent gone the same day, and any moss or lichen will be removed in the following rainfalls.

Low Pressure Roof Restoration

This is a more intensive process, and not recommended in most cases. “Low Pressure” roof cleaning consists of applying the solution to the roof in the same manner as the no pressure method, but is followed by a low-pressure rinse, removing all moss, lichen, and algae. With this process your roof will be resorted to it original look minus any damage that may have been caused by the organic growth on the shingles, but it is more costly due to the time involved in the rinsing process and the equipment used.

Not to make things complicated, but in the cleaning process we use a sodium hypochlorite based solution, which we have found gives the best results and the longest lasting clean.

Stop Waiting, Your Property Deserves Better.

The longer you wait to have your home or commercial property cleaned the greater the chances of long term damage.

Fully Equipped For Any Roof!

Here at Northeast Power Washing we have a small, 50-foot lift to better serve our roof cleaning customers. If a low pressure roof cleaning is desired, or if you have a very large or steep roof, and the terrain around the property permits, we will be using the lift. This is just one more thing that sets NorthEast PowerWashing apart from our competition.

What might be on your roof?

The black streaks that you see on your roof are a form of black algae, a living organism that is growing on your roof. I have a lot of old timers ask me why they did not have this problem on their last roof. I tell them that in the mid 90’s shingle manufacturers changed the general composition of the shingles from a complete asphalt based product to an asphalt-fiberglass mesh. And to make the two bond correctly they introduced limestone into the mix as a bonding agent. They did this for environmental reasons and also to save on production cost, but they had no idea that they were introducing a food source for organic growth.

Lichen is one of the worst things to grow on your roof! Because of its root structure, the lichen roots grow around the granulars that protect your shingles, and over time will establish themselves in the fiberglass part of the shingle, dislodge the granulars from the roof and expose the underlying mat of the shingle, leaving it unprotected from the UV rays of the sun.

Moss is not as damaging as lichen, but still harmful to the shingles. Most types of moss have a very shallow root structure and without much effort come right off. The problem with moss is that it loves moisture. Any time it rains or dew falls, the moss will hold that moisture close to the shingles for extended periods of time. The problem with this is that shingles where designed to be water resistant, not water proof. On shaded areas where the roof does not see the sun for long, the moss can hold the moisture close to the shingles for days, where the rest of the roof will be nice and dry. The moss will cause more of shingle deterioration and granular loss.


Slate roofs need to be treated with great care. We never get up on slate roofs! We use just the right combination of chemicals to safely remove the algae from the roof. In some cases, a lift may need to be used to access all areas of the roof.

100% Satisfaction Guarantee 

We take great pride in maintaining extremely high standards for our work, and we believe it shows with positive reviews and feedback from all our clients. In 2014 we received the Angie’s List “Super Service Award” and we maintain the PWNA certification. Plus we have been approved by the Glastonbury Chamber of Commerce. Atop it all we are proud to offer our 100% Satisfaction Guarantee for client’s peace of mind.