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Roof cleaning is the process of removing algae, fungus, moss, moss and moss from the roof. Also sterilize oxidation on metal roofs. Cleaning can extend the length of time the roof's ability to function. Algae and other types of buildings are often found on the north and west of the roof that is shaded or receives less sunlight, and can reduce the life expectancy of the roof. The presence of soot, dirt, or biomass can affect how much sunlight the roof absorbs and thus the amount of heat a building absorbs.
Cleaning can be attempted with a bleaching solution or sodium percarbonate, various cleaning products or commercial cleaning services. The Asphalt Roofing Manufacturers Association (ARMA) recommends using a 50/50 solution of household power sodium hypochlorite (swimming pool chlorine) and water to remove moss and algae. The accumulation of zinc strips near the top of the roof can reduce the regrowth of algae and mildew. Zinc sulfate can also be applied annually.
Cleaning supplies
Cleaning supplies
One convenient and efficient method for sterilizing roofs is the electric farm spray system, which was originally developed in Florida, USA in the early 1990s. The equipment is used to apply a cleaning solution (usually has a bleaching agent) that kills algae, germs, mold, mildew, moss, mold and other organic organisms that thrive on the roof. This process is known as gentle washing. The equipment does not use pressure or mechanical methods to sterilize the roof. Using a pressure washer, or other gas-powered device, to sterilize a roof over 100 PSI can damage the roof. The US-based Asphalt Roof Manufacturers Association prescribes the use of a bleaching solution, without the use of a pressure washer, to remove algae from roofs. ARMA does not recommend the use of pressure washers, flat surface cleaners, or other mechanical features to sterilize roofs. Comfortable and efficient gentle washing cannot be achieved with a pressure washer, because the Venturi (downstream) feature cannot reach a sufficient power solution to kill organisms, sterilizing the roof. The use of various tips on pressure washers, thereby lowering the pressure to near 500 psi (3,400 kPa) or less, depending on the pressure of the equipment, and not chemicals, to sterilize the roof.
Do not have time to use a pressure washer because it can damage the roof. There is a roof cleaning feature that can minimize the spread of radioactive materials in the air (in contaminated areas) and other hazardous materials, such as asbestos. Special robots have been designed to facilitate roof cleaning.
Like plants, fungi, and algae that are growing on a roof have root systems that can cause damage to shingles such as uplifting, spreading of shingles, and decomposition. Not to mention other forces are responsible for damaging a roof, such as erosion from nature or other forms of roof cleaning. In the photo, you can see an Asian temple being overtaken by a tree. Due to the filament root system of fungi and algae, they are growing on and digging into your roof much like this tree.
The roots open up tiny cracks in the shingles, tiles or other roofing materials. Many of these organisms growing on roofing surfaces do much of the same thing. They spread the shingle-like a fan. Because the shingle is attached on the back, the front ends of the shingle flare and roll. This is because the shingle is widened in the front more so than the back.
These microorganisms, such as fungi and algae, will break down a surface and cause decomposition. This, in turn, will also aid the process of erosion caused by running water either from nature. A massive example of the power of erosion is the Grand Canyon. Water can be a true force of erosion in nature
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