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Roofs require cleaning as an important part of its regular maintenance. As a result of the constant exposure to the sun, metal roofs tend to get discolored in the course of time. This discoloring effect is more prominent in areas where dirt and debris is accumulated. It is also known as a chalking effect due to which some parts of metal appear to be lighter in color as compared to other areas. Washing the roof with a water hose prevents the growth of algae and other agents on its surface. This method is the most commonly followed by majority of home owners however it may affect the lustre of the metal surface and make it appear worn. One way to restore the roof to its original appearance is light washing it with ammonia and detergent once in a year. For safety reasons, it is suggested that homeowners first test the cleaning agents at a small portion of the roof. If the results are favorable, all you need is a water hose with enough pressure of water to reach all the portions of the roof and a method to disperse the detergent and soap over the roof. For getting rid of the primary dirt, you just need one cup of detergent. Make sure the detergent contains less than .5% of phosphate. The cleaning agent should not contain any amount of bleach or ammonia as such a mixture is not recommended for general cleaning. For removing the algae and moss growth from the roof, ammonia diluted with large amount of water can be used. It is highly not suggested to use a harsh cloth over the roof as this might damage the protective film creating more space for the accumulation of dirt. Another formula can be using common bleach and some mild soap to remove the mold and fungal growth. After cleaning the roof, it should be rinsed thoroughly. During rinsing, you can use soap and water but no ammonia. The rinsing should remove all the cleaning agents used and the dirt residue. If the residue is left on the surface for a longer time, it will start eroding the protective layer of the roof with time. To retain their initial condition, roofs need meticulous cleaning to be done at least once a year so that they preserve their shine and solve the purpose for which they are meant. Furthermore, washing the roof regularly will also help the home owners identify any damaged areas on the roof. If washing the roof poses any kind of risk or you are unable to find time for the same, you can also contact professional roofing contractors who will help you with the roof maintenance and cleaning program. Reference: 1997. Technical Bulletin 1050. Metal Roof Coating Maintenance. 7/97. Schulte Roofing is a roofing bryan with over 100 years of combined experience. Schulte Roofing originally began in Alvin, TX just outside of Houston, TX and has grown a reputation for delivering the best roof for your budget. If you have any questions about white roofing system for your home, business, or child’s school, contact Schulte Roofing today
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