Roof cleaning services in Maryland from Henry's Housework

  Pressure washing roofs can be performed on a large variety of surfaces and each surface requires different methods of pressure washing. 

To properly pressure wash anything the most important thing to know is the hardness of the surface and what you are attempting to remove through pressure washing.  Remember, pressure washing is a delicate process and to do the job correctly, you need the right chemicals, water volume and pressure.  If you use a pressure washing company that takes shortcuts it can cause thousands of dollars in damage.  Most people believe using 3,000 psi when pressure washing is the quickest and most effective way to get the job done but, that amount of pressure can destroy wood and other surfaces!    

   At Henry's Housework, we take the time to educate our employees in numerous pressure washing certification programs and hands on training to provide you the best pressure washing service possible.  This dedication to the pressure washing industry and our equipment is what puts us among the leaders in the pressure washing industry across the country.  When you hire a pressure washing company, be careful of unlicensed contractors and make sure you deal with a company that has experience and the proper equipment, instead of just the cheapest price.

With so many pressure washing companies out there, we realize that sometimes it can be difficult deciding on the right company to use. 

We can make this choice easier because we know what counts the most:
 
þ Professional equipment and knowledge.
þ Over 16 years and 13,000 clients of actual pressure washing experience.
þ Fair prices and an outstanding record.
þ Fully licensed, bonded and insured. (MHIC Lic# 65039)
þ Seasonal contracts with discounts.
 þ Extensive and on going training and certifications.
 þ Better Business Bureau member.
 þ PWNA Instructor.
þ Member of the Board Of Directors for the Power Washers of North America.
þ Member of Power Washers of North America.
þ President of the PWNA Maryland Chapter.  
 þ PWNA wood certified contractor.
þ Won the PWNA professional Image Award in 2005.
þ American Builders and Restoration certified.
þ Wolman certified contractor.
 þ Service Magic approved.
 þ Home Connections approved.
 þ Family owned and operated.
 þ Member of Womans Council of Realtors.
þ Member of Pressure Washing Instutute.
þ Member of Deck Guide.
 þ Member of the Power Wash Network.
þ Member of the Pressure Wash Guide.
 þ Member of the Pressure Net.

This is just a sample of our affiliations, experience and qualifications that we are proud of.  Is your current pressure washing contractor this involved in the industry?    We  also offer  exterior maintenance contracts for pressure washing and other services to make sure your property looks it's best, at incredible discounts!

Henry's Housework has been providing  pressure washing services for over 13,000 satisfied clients residential and commercial properties, since 1989.  Isn't it time you hired this professional roof cleaning company?

Roof cleaning in Montgomery County, Maryland is a fairly new market for pressure washing companies.  Asphalt shingle roofs are usually cleaned to remove in Maryland that many pressure washing companies have started to notice. The process of cleaning asphalt shingle roofs is fairly simple if you educate yourself on how roofs are installed, possible problems and situations to avoid and what type of stains you need to remove.
Most pressure washing companies that begin roof cleaning find that there is a considerable amount of technique and skill when cleaning roofs. Any contractor that performs roof cleaning should be aware of roofs are installed, failure to understand roof installation methods can cause thousands of dollars in damages from a pressure washing contractor.
Its imperative that the pressure washer use extremely low pressure to avoid damaging the shingles and that the roof is inspected prior to the commencement of the job. Remember, most pressure washers used in roof cleaning use a minimum of 4 GPM and as much as 10 GPM!. So it is easy to understand why knowledge of roofing installation and a roof inspection is necessary when you consider the amount of water that could enter the structure during roof cleaning.

Before hiring a roof cleaning company make sure they understand the basics of roof installation. It is also equally important that your roof cleaner know the other structures on the roof and their function to avoid causing leaks around them. For identification purposes, pictures of these parts can be found on our roofing page. Most roofing materials are installed over a layer of felt paper and in some cases a rubber like ice guard material. The first layer of shingles is called the starter course and is installed at the lowest point on the roof, upside down. This allows a solid base for water to run over without leaking down into the rafters and plywood between the shingles key ways. Once this layer is installed another shingle is place directly on top of it, and the rest of the roofing is placed in a similar fashion up the roof line. The reason shingles are installed in this manner is to allow the water to run over one shingle onto the next until it enters the gutter system.

If your roof cleaner can identify the common fixtures on a roof the next step is to identify what they will be cleaning from the surface. The most common reason for cleaning asphalt shingle roofs is to remove a fungus growth called Gloeocapsa Magma. This particular type of algae is air-born and will collect on any type of roof. In most cases the owner of the property won't notice the algae growth until it begins to take over large sections of the roof. This algae usually forms dark brown or black stains on the roofing and it thrives in mostly warm humid areas.

Roof cleaning with the appropriate cleaners can effectively remove this unsightly blemish from roofs fairly easily if you know how. Some manufacturers suggest using a mixture of TSP and Bleach to kill the fungus. Other manufacturers suggest using a sodium hydroxide based cleaner instead.

Regardless of which cleaner you use when cleaning roofs it's important that you check with the manufacturer of the roof to meet their guidelines. Some manufacturers will void the warranty on the shingles for one method but not the other. However, ALL roofing manufacturers agree that the use of high pressure should NEVER be used when cleaning roofs. Some specifications set the safe pressure range at 600 PSI but the best rule of thumb to use is. Use the least amount of pressure and the mildest chemical possible to achieve the desired result!

If you are considering entering the asphalt shingle roof cleaning market I would highly recommend taking a course offered by The Power Washers of North America. This informative course will give you an in depth look at proper techniques, chemical processes, and roof construction needed to add this valuable service to your company.

Roof Cleaning In Maryland

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We use Professional grade pressure washing products from Sun Brite Supply of Maryland!

Henry's Housework has an outstanding record with the BBB!

Better Business Bureau

We are proud members of the PWNA with certifications in wood restoration and environmental cleaning.  Henry Bockman is also a BOD member and President of the Maryland PWNA chapter and PWNA instructor.

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Henry's House Work
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Deck cleaning pictures before and after.
Roof cleaning pictures before and after.
House washing pictures before and after.
Fence Cleaning

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301-216-9675
" One Step Above The Rest"
MHIC # 65039

Building cleaning, the Lincoln Memorial.

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Henry's Housework Inc.  
13433 Tilford Court
Germantown, Maryland 20874
Office:  301-216-9675   Fax:      301-216-9679
 Serving Montgomery County and Beyond!