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

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