Roof cleaning: Difference between revisions
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[[Image:ArborBay2.jpg|thumb|Roof cleaning being performed using a soft-wash system]] |
[[Image:ArborBay2.jpg|thumb|Roof cleaning being performed using a soft-wash system]] |
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'''Roof cleaning''' is the process to remove dirt, [[algae]]<ref>{{cite journal | last1 = Brook | first1 = Alan J. | title = The Discoloration of Roofs in the United States and Canada by Algae | journal = Journal of Phycology | volume = 4 | pages = 250 | year = 1968 | doi = 10.1111/j.1529-8817.1968.tb04722.x | issue = 3}}</ref> and [[moss]] from [[roof]]s. |
'''Roof cleaning''' is the process to remove dirt, [[algae]]<ref>{{cite journal | last1 = Brook | first1 = Alan J. | title = The Discoloration of Roofs in the United States and Canada by Algae | journal = Journal of Phycology | volume = 4 | pages = 250 | year = 1968 | doi = 10.1111/j.1529-8817.1968.tb04722.x | issue = 3}}</ref> and [[moss]] from [[roof]]s. Roof cleaning can extend the duration of a roof's ability to function. Algae and other types of build-up often form on parts of roofs that are shaded, and can reduce a roof's life expectancy. The presence of soot, dirt, or biomass can affect how much sunlight is absorbed by a roof and thus the amount of heat a building absorbs.<ref>{{cite journal|last=Levinson|first=Ronnen|coauthors=Paul Berdahla, Asmeret Asefaw Berheb, Hashem Akbaria|title=Effects of soiling and cleaning on the reflectance and solar heat gain of a light-colored roofing membrane|journal=Atmospheric Environment|year=2005|month=December|volume=39|issue=40|pages=7807–7824|doi=10.1016/j.atmosenv.2005.08.037|url=http://www.sciencedirect.com/science/article/pii/S1352231005008289|accessdate=18 April 2013}}</ref> Cleaning may be accomplished with a [[bleach]] or [[vinegar]] solution, various cleaning products or commercial cleaning services. The addition of [[zinc]] strips near the roof's peak may reduce the regrowth of algae and moss. |
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==Cleaning apparatus== |
==Cleaning apparatus== |
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Revision as of 00:05, 5 May 2013
Roof cleaning is the process to remove dirt, algae[1] and moss from roofs. Roof cleaning can extend the duration of a roof's ability to function. Algae and other types of build-up often form on parts of roofs that are shaded, and can reduce a roof's life expectancy. The presence of soot, dirt, or biomass can affect how much sunlight is absorbed by a roof and thus the amount of heat a building absorbs.[2] Cleaning may be accomplished with a bleach or vinegar solution, various cleaning products or commercial cleaning services. The addition of zinc strips near the roof's peak may reduce the regrowth of algae and moss.
Cleaning apparatus
Roof cleaning devices may use high-pressure water spray and revolving brushes, and some may have extensions to enable their use from the ground.[3] Roof cleaning devices exist that may minimize the spread of airborne radioactive materials (in contaminated areas) and other harmful materials, such as asbestos.[3] Specialized robots have been designed to facilitate cleaning roofs.[4]
See also
References
- ^ Brook, Alan J. (1968). "The Discoloration of Roofs in the United States and Canada by Algae". Journal of Phycology. 4 (3): 250. doi:10.1111/j.1529-8817.1968.tb04722.x.
- ^ Levinson, Ronnen (2005). "Effects of soiling and cleaning on the reflectance and solar heat gain of a light-colored roofing membrane". Atmospheric Environment. 39 (40): 7807–7824. doi:10.1016/j.atmosenv.2005.08.037. Retrieved 18 April 2013.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help); Unknown parameter|month=ignored (help) - ^ a b Airborne Radioactive Contamination in Inhabited Areas - Kasper G. Andersson - Google Books, pp 223 - 229.
- ^ Elkmann, N (2002). "Innovative service robot systems for facade cleaning of difficult-to-access areas". Intelligent Robots and Systems, 2002. IEEE/RSJ International Conference on. 1: 756–762. doi:10.1109/IRDS.2002.1041481. Retrieved 18 April 2013.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help)