Long-term flooding or moisture
3/2/2022 (Permalink)
Long-term flooding or moisture is likely to harm most interior finishes and contents, although the following methods may be viable if the flooding is brief and cleanup started quickly. Delay permanent repairs until the building has completely dried out, which could take many weeks.
Subfloors
Subfloor layers of submerged plywood or OSB will most likely separate or swell. To keep the new floor covering from buckling, affected parts must be replaced.
Allow the subflooring to dry thoroughly after removing floor coverings, which may take months without a dehumidifier.
Before installing new flooring, inspect it for warping.
Wooden Flooring
Remove a board carefully every few feet to prevent buckling caused by swelling. Consult a carpenter or flooring professional if the boards are tongue-and-grooved.
Before replacing boards and undertaking repairs, properly clean and dry the floor, which could take weeks.
https://agrilifeextension.tamu.edu/solutions/water-damage-restoration-clean-up-checklist/
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