Look beneath tile, vinyl and trim edges
A hard finish can appear sound while the subfloor below remains wet. Readings at seams, penetrations and perimeter edges help establish whether water moved beneath the surface. Swelling, loss of bond and contamination affect whether a material can remain.
When the first sign appears on the level below, ceiling leak cleanup addresses overhead safety and cavity access. If open water covers the bathroom floor, water extraction explains the liquid removal stage.
