Stop continuing intrusion
Roof, flashing, wall, door or drainage failures can continue loading the structure with water faster than drying equipment can remove it.
Trace multi-level migration
Water can follow trusses, walls, penetrations and floor systems well beyond the first visible ceiling or wall stain.
Distinguish contamination
Exterior floodwater or groundwater introduces different material and containment considerations than wind-driven rain entering directly through the envelope.
See water-migration guidance · See floodwater material guidance.