Professional Washing & Treatments to Clean Your Roof
We Remove Lichen, Black Algae Streaks, Moss, Mold & Mildew from your Roof
Eco-Friendly, Hot Water & Soft Wash Power Wash Technique effectively removes moss, lichen, algae, mold & mildew, restoring the beauty without damaging your asphalt shingled roof.
Fully Insured & Licensed.
Low Pressure Roof Washing
Our Hot Water & Soft Wash roof power washing method is safe for all roof types including Asphalt Shingles.
Blue Sky Offers Low Pressure Roof Washing using a hot water and soft wash method with eco-friendly detergent that will not damage your garden, lawn or landscaping.
It’s time to get your roof cleaned and looking like new. Call or submit our quick quote form and we will respond withing 24 hours in most cases.
Blue Sky Roof Cleaning Services
- Asphalt Roof Cleaning
- Moss Removal
- Lichen Removal
- Black Streak/Algae Removal
- Mold & Mildew Removal
We guarantee our roof cleaning for 3 years from the service date. We would come back & re-treat if necessary.
Over 2000 Homes and Businesses in NH, MA, and ME Have Trusted Blue Sky Power Washing to Keep their Exteriors Looking Beautiful
How Do You Safely Wash a Roof?
1. We soft wash, which means we use water pressure only equivalent to a garden hose. More than that could cause shingles to lift and water to find a way into your roof or ceilings like ice backup can do in the winter.
2. We use a foaming biodegradable cleaning solution (safe for pets, people, and landscaping), which sits on the shingles for about 15 minutes and kills off the moss, algae, and lichen.
3. The black streaks are a type of algae and will come off the same day of service.
4. The green is moss and / or lichen, Although they will be killed that day, there will be grey, white, or yellow left on the roof which comes off over time as it dries out. The reason it does not come off that day is because it needs time to die down to the roots, then, as it rains more, it washes off and blows away. It should come off gradually over 30-120 days.
Please note: Some home owners choose to pay to have it manually scraped off, an expensive service. We do not offer this service for two reasons:
a. Manually scraping shingles can damage if not ruin your shingles and roof and nullify your shingle warranty.
b. We do not have our men go onto the roof surface itself, due to the safety and liability issues.
PLEASE NOTE: Depending on how long it has been there and how rooted into the shingles it is, some lichen & moss may never come off. Although, 60-75% will die down and come off.
Our roof washing process is warrantied, if the majority of moss & lichen has not died down and washed away at the end of 6 months, we certainly will come back for a re-application, free of charge.
Our Roof Cleaning Process:
Roof cleaning is not the same as siding / clapboard washing, and it is not an exact science. Below we try to explain clearly our process so you can have accurate expectations. Please note: lichen, algae, and moss grow into the shingles, and can never be perfectly removed.
We soft wash, which means we use water pressure only equivalent to a garden hose. More than that can cause shingles to lift and water to find a way into your roof and or ceilings like ice backup can do in the winter.
We use a foaming biodegradable cleaning solution (safe for pets, people, and landscaping), which sits on the shingles, and soaks into the algae, moss, and lichen roots. The black streaks are a type of algae and will come off the same day of service.
The green is moss and grey is lichen. Although they will be killed the day of service, there will be grey or yellow and white left on the roof,which comes off over time, as the roots die-off and the rain washes the debris away.
The reason it does not come off that day, is because it needs time to die down to the roots, and then as it rains more, the debris washes off. It should come off gradually over 30-120 days.
Please note: Some home owners choose to pay to have it manually scraped off, an expensive and incomplete service.
We do not offer this service for two reasons:
- Manually scraping shingles can damage if not ruin your shingles and roof.
- We do not have our men go onto the roof surface itself due to the safety and liability issues. Depending on how long the moss, algae, or lichen have been there and how rooted into the shingles it has become, some lichen & moss may never come off. Although, you can expect at least 60-75% will die down and come off.
Cleaning Asphalt Roofs with a Pressure Washer
Water alone will not do a good job of cleaning Asphalt Roofs & Shingles. You need to remove grease or oil, mildew & mold from Asphalt Roofs & Shingles surface.
Asphalt shingle roofing is easily damaged if the proper care and cleaning method is not taken. A pressure washer can do serious damage to your roof causing expensive repairs.
Our experts use a safe and effective method to get your roof clean and have washed thousands of roofs.
What Are the Black Streaks on My Roof?
Black streaks on asphalt shingles is known as roof algae. It will only get worse if not taken care of. Algae likes to thrive on the north side roofs where the proper amount of shade is present. It feeds on the crushed limestone that is used in asphalt shingles. Rain spreads the algae down the roof causing unsightly black streaks.
Eventually, the algae will take over the entire roof. We can kill and remove the algae, using contractor grade cleaners and low pressure, making your roof look new again.
How Do you Remove Moss and Lichen from an Asphalt Roof?
Moss and Lichen growth is very common, especially here in New England. If left untouched it will get worse and significantly decrease the lifespan of your roof.
The most effective method for removing this roof growth is a combination of hot water and detergent with gentle scrubbing and using a power washer. It is important to use a gentle to medium spray and only spray downward onto the roof shingles.
Blue Sky is a locally owned, full-time, fully insured, fully trained, professional, on-site power washing, restoration and preservation company serving residential customers since 2001. Contact Blue Sky Power Washing 603-594-Wash!
To Learn more about Blue Sky Wash for Your Home
Call 603-594-WASH “9274”
What are the Stains on my roof?
Algae, Moss & Lichen are what you see on your roof. Algae are the black streaks; Moss are the green bumps; Lichen are flat “flower” looking pieces, which root into your shingles.
Those dark stains on your roof are algae. The textbook name for this type of air borne algae is Gloeocapsa Magma. Gloeocapsa magma is found in warm humid environments and often appears on the North side of the home and under trees. The reason that it is usually seen on the North side of the home is because; the north side gets the least amount of sun which causes this area stay wet longer than the others. Gloeocapsa Magma also, forms under trees because of the shade and the fact that when trees drip water after it rains, it keeps the surface wet longer.
Can You Pressure Wash an Asphalt Shingled Roof?
A Hot Water & Soft Wash is the best method to pressure wash a roof without causing damage to your asphalt shingled or other delicate roofing materials. This technique is very effective at safely removing Moss, Lichen, Mold, Mildew, Stains, Algae, and dirt from roofing, siding, wood decking, and other materials that would otherwise be damaged by a full powered pressure washer.
Using a full powered pressure washer on a roof can cause serious damage andcomporosize the ability for your roof to keep out water and the exterior elements.
How Long Does it Take for Algae, Moss, and Lichen to Die after Treating the Roof?
Algae, Moss & Lichen take time to die off & wash away after treatment. Algae takes 1-2 days; Moss and Lichen can take 1-6 Months. The sun will dry out the dead material and the rain will rinse it away.
Why can I still see Moss & Lichen are still visible after roof treatment?
The Moss & Lichen will turn white, gray or brown, which indicates it is dead. To power wash or scrape the shingles would damage them. We would be happy to come back for a re-application should the treatment not kill the moss & lichen free of charge. Note: You can expect 65-75% of the moss & lichen will come off completely.
Please Note: A re-application is not needed if the moss and lichen has been killed, yet still remains on the shingles.
How Do You Wash a Roof without Damaging it?
Roof cleaning is not the same as siding / clapboard washing, and it is not an exact science. Below we try to explain clearly our process so you may have accurate expectations.
- We soft wash, which means we use water pressure only equivalent to a garden hose. More than that could cause shingles to lift and water to find a way into your roof or ceilings like ice backup can do in the winter.
- We use a foaming biodegradable cleaning solution (safe for pets, people, and landscaping), which sits on the shingles for about 15 minutes and kills off the moss, algae, and lichen.
- The black streaks are a type of algae and will come off the same day of service.
- The green is moss and / or lichen, Although they will be killed that day, there will be grey, white, or yellow left on the roof which comes off over time as it dries out. The reason it does not come off that day is because it needs time to die down to the roots, then, as it rains more, it washes off and blows away. It should come off gradually over 30-120 days.
Please note: Some home owners choose to pay to have it manually scraped off, an expensive service. We do not offer this service for two reasons:
a. Manually scraping shingles can damage if not ruin your shingles and roof and nullify your shingle warranty.b. We do not have our men go onto the roof surface itself, due to the safety and liability issues.
PLEASE NOTE: Depending on how long it has been there and how rooted into the shingles it is, some lichen & moss may never come off. Although, 60-75% will die down and come off.
Our roof washing process is warrantied, if the majority of moss & lichen has not died down and washed away at the end of 6 months, we certainly will come back for a re-application, free of charge.
Will detergents from pressure washing hurt my landscaping, gardens, and grass?
No.The Blue Sky solution we use is a powerful cleaning agent that is Eco friendly, but we go to great measures to rinse down all plants and grass surrounding the house before, during, and after the application. The result is that any detergent over-spray or runoff is completely diluted. You may even notice that your landscaping in these areas looks especially green and vibrant in the days following the cleaning due to all the watering!
Will cleaning my roof extend the life of my roof?
Yes. Cleaning your roof can save you money in more ways than one… First, the algae and fungus that grows can cause premature roof granule loss, and shorten roof shingle life. So you save money because your roof lasts longer and you won�t need to replace it. Second, when the algae turns your roof black, it becomes less reflective, and it retains heat; so your air conditioner works harder to overcome the increased heat load, costing more money in electric bills. Third, the aesthetics of cleaning your roof when it comes to selling your home can not only save you money but can make you money too.
Do we have to be home?
In most cases you will not need to be home while we wash your home or business.
What is your service area?
Blue Sky is based in Amherst, NH and extend our services to MA and ME. Please give us a call to see when we will be in your area.
New Hampshire: We cover just about all cities and towns from the Southern NH area up to the Lakes Region. This also includes the NH Seacoast and western areas.
Massachusetts: From the NH border to the Boston area and East of Worcester.
Maine: Southern Maine area.
Is BlueSky Pressure Washing Insured?
Yes, we are fully insured and licensed to provide your home washing needs. We can provide any necessary documentation upon request
