After water exposure, act within 24–48 hours: stop the source, extract standing water, dry the structure with fans and dehumidifiers, and assess each material. Waterproof floors often survive; organic floors and pads usually need replacement.
First 48 hours
Time decides salvageability. Remove standing water, pull wet baseboards, run dehumidifiers and air movers, and check subfloor moisture with a meter before relaying anything.

What survives, what does not
Porcelain tile and waterproof LVP usually survive if the subfloor dries. Solid/engineered wood may cup — sometimes it flattens, sometimes it needs replacement. Carpet pad and laminate cores rarely recover.

Watch for mold
Trapped moisture under floors grows mold within days. If the subfloor stayed wet, open it up and dry it fully before any new floor goes down.
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