Asphalt shingle roof needs cleaning. Many have started to enter this line of business as the services are in great demand. Slowly it is finding a niche for itself in the market and many opportunities in this field are opening up.
The problem and solution is not too difficult provided one understands from the start the dynamics of shingle roofs – how they are set up, what the problems are relating to the types of stains that need attention. It is not any and everybody who can operate a pressure washing company because although the matter is simple nevertheless the fundamentals have to be grasped. The next step is experience leading to technical expertise. You can also contact a few technical experts at https://www.longislandhelpfulservices.com/ or some other reputable sites as well.
If the contractor does not understand the basics of roof installation then thousands of dollars may go down the drain. The pressure applied must be minimal and low so that the shingles are not affected. Before starting the job the roof must be thoroughly inspected and checked. Most of the pressure wash machines used for cleaning the roof use 4 GPM and even go up to 10 GPM. One must know when to use what. It depends on specific conditions and the discretionary powers of the contractor.
In most cases of roof construction, a layer of felt is first laid out and on top of this other roofing materials are applied. The first shingle layer is known as the starter-course and is installed at the lowest tip of the roof in reverse position.