What water extraction means
Water extraction is the removal of liquid water using pumps and vacuum extractors. It takes out water that is pooled on surfaces or held in carpet and pad. It is different from drying, which removes the moisture that has soaked into materials.
Removing a gallon of water by extraction takes seconds. Removing the same gallon by evaporation takes hours of equipment time. That is why thorough extraction makes the whole job shorter.
How extraction differs by floor type
| Floor | Where the water goes | Extraction approach |
|---|---|---|
| Carpet over pad | Pad holds most of it | Extract through the carpet with weight, or lift carpet and remove the pad |
| Glue-down carpet | Sits in the fibers on the slab | Repeated slow extraction passes |
| Hardwood | Between and under boards | Surface extraction, then controlled drying to limit cupping |
| Laminate and vinyl plank | Trapped between plank and subfloor | Planks usually lifted so water underneath can be reached |
| Tile | Runs to grout lines and edges | Surface extraction; check walls and adjoining rooms |
| Bare concrete | Pools in low spots | Pump and squeegee to a drain or extractor |
Signs you need extraction, not just fans
- Carpet squishes or water comes up around your foot
- Water is visible on a hard floor more than a few feet across
- Water has run under a wall into the next room
- The leak ran for more than a few minutes
Common sources in homes
Washing machine supply hoses, dishwasher leaks, refrigerator ice maker lines, overflowing toilets and tubs, and water heaters that have rusted through. Appliance leaks often run unnoticed because they start behind or under the unit. By the time water shows at the front, the floor underneath and the wall behind are already wet.
What happens after extraction
Extraction leaves materials damp, not dry. The next step is structural drying. If water reached the level below, see ceiling and wall water damage. For a full picture of the job, read water damage restoration.
Extraction in basements
Many homes around Anoka have finished basements with carpet laid directly over concrete. Concrete does not absorb water quickly, so it spreads wide under the pad. A leak that looks like a small wet patch can cover most of the room underneath. For deeper water, see flooded basement cleanup.