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Comment: See WP:NOTHOWTO Asparagusus (interaction) 03:12, 19 October 2022 (UTC)
Roof collapse is an incident in which the roof of a structure fails. The can occur as a result of natural disasters, fires, or weather events.
Roofs usually do not collapse suddenly, instead slowly weakening over time. Before a roof collapses, it will show warning signs. Lack of maintenance will usually at some point lead to collapsing roof.[1] Roofs are usually made so that they can withstand anywhere between 30 to even 100 pounds per square foot of extra weight.[2]
In 1922 the Knickerbocker Theater's roof collapsed under heavy snows killing dozens.[3] Roof collapse is a danger in burning buildings.[4] Roof collapse are a cause of mining disasters.[5]
Various factors
editSnow
editAccording to one research paper, from the year 2001 to 2021, and with sample size of 266 cases, 78% of snow-related roof collapses happened to civilian buildings.[6]
If the doors are not closing/opening properly, it may be a sign of too much snow on the roof.[7]
Rainwater
editRainwater ponding on top of light-weight flat roofs causes around ~20 roof collapses every year in the Netherlands.[8]
Burning
editRoofs that are on fire pose high risk of collapsing on top of firefighters.[9]
Infamous roof collapses
editSee also
editReferences
edit- ^ "Look for These Signs Before a Roof Collapse". Nelsoncontractingllc.com. 15 December 2018. Retrieved 12 July 2022.
- ^ Lewis, Alexa. "How to prevent a roof collapse during a massive snowstorm". Accuweather.com. Retrieved 12 July 2022.
- ^ Saelee, Mike. "Research Guides: Knickerbocker Theater Collapse: Topics in Chronicling America: Introduction". guides.loc.gov.
- ^ Fundamentals of Fire Fighter Skills. Jones & Bartlett Publishers. August 24, 2013. ISBN 978-1-4496-4202-0 – via Google Books.
- ^ Egan, Margaret R. (August 24, 1990). "Summary of Combustion Products from Mine Materials: Their Relevance to Mine Fire Detection". U.S. Department of the Interior, Bureau of Mines – via Google Books.
- ^ Lobkina, Valentina. "Analysis of Roof Collapse Cases Caused by Snow Loads in Russia (2001–2021)". Researchgate.net. Retrieved 12 July 2022.
- ^ "Watch for early warning signs to avoid roof collapse, says Montreal home inspector". Cbc.ca. 18 February 2019. Retrieved 12 July 2022.
- ^ Vambersky, J. "Roof failures due to ponding – a symptom of underestimated development" (PDF). Heronjournal.nl. Retrieved 12 July 2022.
- ^ "Protecting Firefighters From Roof Collapses". Sciencedaily.com. 21 June 2004. Retrieved 12 July 2022.
- ^ "Civic Center Roof Collapses – Today in History: January 18 - Connecticut History | a CTHumanities Project". Connecticut History | a CTHumanities Project - Stories about the people, traditions, innovations, and events that make up Connecticut's rich history. January 18, 2023.
- ^ "What to know about the roof collapse at an iconic club in the Dominican Republic that killed 221". AP News. April 8, 2025.
Further reading
edit- 7 Causes of Structural Roof Failures
- A Study of Roof Failures In And Around Ibadan, Nigeria: Causes, Effects and Remedy