Roof collapse
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Roof collapse is a destructive incident in which the roof of a building demolishes. Roofs usually don't collapse suddenly, but rather slowly weaken over time. Before the 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]
Various factors[edit]
Snow[edit]
According 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.[3]
If the doors are not closing/opening properly, it may be a sign of too much snow on the roof.[4]
Rainwater[edit]
Rainwater ponding on top of light-weight flat roofs causes around ~20 roof collapses every year in the Netherlands.[5]
Burning[edit]
Roofs that are on fire pose high risk of collapsing on top of firefighters.[6]
See also[edit]
References[edit]
- ↑ "Look for These Signs Before a Roof Collapse". Nelsoncontractingllc.com. Retrieved 12 July 2022.
- ↑ Lewis, Alexa. "How to prevent a roof collapse during a massive snowstorm". Accuweather.com. Retrieved 12 July 2022.
- ↑ 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.
Further reading[edit]
- 7 Causes of Structural Roof Failures
- A Study of Roof Failures In And Around Ibadan, Nigeria: Causes, Effects and Remedy
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