This comprehensive guide explains how to seal doors and windows against wildfire smoke using strategic gap sealing methods. Learn about smoke entry points, traditional sealing approaches, step-by-step application techniques, and how to combine sealing with air filtration for maximum indoor air quality protection during wildfire season.

Comprehensive emergency guide teaching homeowners how to seal their homes against wildfire smoke infiltration. Covers entry point identification, step-by-step sealing techniques using affordable materials, HVAC configuration, clean room creation, and safety precautions. Includes AQI thresholds for action, factual health data, and real-world effectiveness evidence from California's 2020 fire season.