Roofing cleaning of asphalt shingle roofs are a quite new niche market that many pressure washing companies have started to notice. The process of cleaning asphalt shingle roofs is fairly simple if you educate yourself how rooftops are installed, possible problems and situations to avoid, and what type of stains you need to get rid of. Most pressure washing companies that commence roof cleaning find that there is a considerable amount of technique and skill required when cleaning roofs. Virtually any contractor that performs roof structure cleaning should be aware of how roofs during installation. driveway cleaning Norwich
Failure to understand roof installation methods can cause 1000s of dollars in damage by a pressure cleansing contractor. It’s imperative that the pressure wash service provider use extremely low pressure to avoid damaging the shingles and that the roof is inspected before to the commencement of the job. Remember, most pressure wash machines employed in roof cleaning use minimal 4 GPM and as much as 10 GPM!. So it is easy to understand why knowledge of roofer installation and a roof top inspection is necessary when you consider the number of drinking water that could enter the structure during roof cleaning.
Most roofing materials are installed over the layer of felt paper and occasionally a rubber-like ice shield material. The first coating of shingles is called the starter course and is installed at the cheapest point on the roof structure, upside down. This enables a solid base for drinking 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 roof covering is put in the same fashion up the roofing line.
The reason shingles are installed in this fashion is to allow the water to operate over one shingle on to the next until it enters the gutter system. Now that you comprehend the basics of roof set up it’s equally important to know the other set ups on the roof and the function to avoid creating leaks around them. For identification purposes, pictures of these parts can be found on our internet sites roof repair services in Maryland page.
Nowadays that you can identify the common fixtures on a roof the next step is to spot what you will be cleaning from the surface. The most common reason for cleaning asphalt shingle rooftops is to remove a fungus growth called Gloeocapsa Magma. This kind of type of algae is air-born and will acquire on any sort of roof. In most instances the owner of the exact property won’t notice the dirt growth until it commences to take over large sections of the roof structure. This algae usually sorts darkish or black discolorations on the roofing and it thrives in mainly warm humid areas. Roof structure cleaning with the appropriate cleaners can effectively remove this unsightly blemish from roofs fairly easily if you know how.
Several manufacturers suggest by using a mix of TSP and Antibiotics to kill the infection. Other manufacturers suggest by using a sodium hydroxide based clean instead. In spite of which cleanser you use when cleaning roofs it’s important that you check with the manufacturer of the roof top to meet their suggestions. Some manufacturers will avoid the warrantee on the shingles for one method but not the other. Nevertheless , ALL roofing manufacturers agree that the use of high pressure should NEVER be used when cleaning roofs. Some requirements set the safe pressure range at 600 POUND-FORCE PER SQUARE INCH however the best rule of thumb to use is. “Use the least amount of pressure and the mildest chemical possible to achieve the desired end result! “