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Long-span arched roofs risk collapse from unbalanced snow loads
The Canadian Commission on Building and Fire Codes issues a 1995 National Building Code change for long-span arched roofs. It covers wood and steel trusses glulam arches and corrugated metal in industrial and recreational buildings. Owners should have roofs inspected by a professional engineer and avoid use during heavy snow and wind until remedial action is confirmed.
MENTIONED IN THIS ARTICLE
Canadian Commission On Building and Fire Codes