Editing Biofilm (section)

===Human environment===
In the human environment, biofilms can grow in showers very easily since they provide a moist and warm environment for them to thrive. Mold biofilms on ceilings may form due to roof leaks.<ref>{{Cite web |date=2024-11-18 |title=Do You See Mold on the Ceiling Due to a Roof Leak? - Platinum Roofing and Construction |url=https://platinumroofingandconstruction.com/do-you-see-mold-on-the-ceiling-due-to-a-roof-leak/ |access-date=2024-11-26 |language=en-US}}</ref> They can form inside water and [[Sanitary sewer|sewage]] [[pipe (material)|pipes]] and cause clogging and [[corrosion]]. On floors and counters, they can make sanitation difficult in food preparation areas. In soil, they can cause [[bioclogging]]. In cooling- or heating-water systems, they are known to reduce heat transfer.<ref>{{cite journal |doi=10.1080/01457638108939572 |title=Influence of Fouling Biofilms on Heat Transfer |year=1981 |vauthors=Characklis WG, Nevimons MJ, Picologlou BF |journal=Heat Transfer Engineering |volume=3 |issue=1 |pages=23–37 |bibcode=1981HTrEn...3...23C |url=https://scholarworks.montana.edu/xmlui/handle/1/13866 |access-date=19 December 2022 |archive-date=19 August 2022 |archive-url=https://web.archive.org/web/20220819231141/https://scholarworks.montana.edu/xmlui/handle/1/13866 |url-status=live }}</ref> Biofilms in marine engineering systems, such as pipelines of the offshore oil and gas industry,<ref>{{cite journal | vauthors = Schwermer CU, Lavik G, Abed RM, Dunsmore B, Ferdelman TG, Stoodley P, Gieseke A, de Beer D | title = Impact of nitrate on the structure and function of bacterial biofilm communities in pipelines used for injection of seawater into oil fields | journal = Applied and Environmental Microbiology | volume = 74 | issue = 9 | pages = 2841–51 | date = May 2008 | pmid = 18344353 | pmc = 2394879 | doi = 10.1128/AEM.02027-07 | bibcode = 2008ApEnM..74.2841S }}</ref> can lead to substantial corrosion problems. Corrosion is mainly due to abiotic factors; however, at least 20% of corrosion is caused by microorganisms that are attached to the metal subsurface (i.e., [[Microbial corrosion|microbially influenced corrosion]]).