Mitigation Assessment Team Report: Marshall Fire Building Performance, Observations, Recommendations, and Technical Guidance (FEMA P-2320)

The Mitigation Assessment Team Report on the Marshall Fire in Boulder County, Colorado, provides detailed observations and assessments of building performance and vulnerabilities related to wildfire safety. It highlights deficiencies in defensible space practices, landscaping, structural hardening, and joint systems in walls and roofs. The report identifies common vulnerabilities such as combustible mulches, woodpiles, overgrown vegetation, and inadequate defensible space. It also examines structural hazards like complex roof designs, lack of ember protection for roof vents, and gaps in exterior wall detailing that could lead to ember intrusion and potential structure ignition.