Drying is a measured job, not a matter of running fans until it feels better. Surfaces can feel dry while the framing behind them is still wet. Drying starts after water extraction has removed the standing water, since machines cannot do that job.
Why lower levels need care
In February 2019 a main break on Green Heights Trail put a foot of water into one basement, which shows how fast a lower level can fill and how much moisture its concrete and framing absorb. Cool basement air slows drying, so equipment runs longer than it would upstairs. Heat helps when materials are dense, and mats or panels can pull water from hardwood that fans alone would not reach.
- Concrete and block walls that hold water
- Framing and subfloor behind finished surfaces
- Carpet pad, insulation and trim that trap moisture
How the equipment is chosen
The crew measures the room, counts wet surfaces and sets dehumidifiers and air movers by that math. Air movers lift moisture off surfaces and the dehumidifier removes it from the air, so one without the other leaves the job half done. Temperature and humidity are read in the room and at the dehumidifier outlet, because the numbers show whether the machines are removing moisture or only moving it around.
When the drying is finished
Each material is read against a dry reference from an unaffected part of the home. When wall bottoms, floors and framing match, the equipment comes out and the daily log goes into the claim file. A job ended too soon invites mold and warped flooring, which is why the finish is a reading and not a date on the calendar.