How long does it take to dry out water damage?
Most homes need about 3 to 5 days of professional drying with air movers and dehumidifiers. Small clean-water leaks caught early can be faster, while timber floors, concrete slabs, wall cavities and flood-affected buildings can take one to several weeks. Drying is finished when moisture readings return to normal for each material, not after a set number of days.
Call 1300 050 565, 24/7Why drying time varies so much
Drying time depends on how much water there was, how long it sat before extraction, what the building is made of, and the temperature and humidity on site. A burst flexi hose found in an hour is a very different job from a leak that ran all weekend.
Dense materials hold water for longer. Carpet releases moisture quickly once the water has been extracted, while hardwood, concrete and double-layer wall systems release it slowly and need more equipment and more time.
Why "dry to touch" is not dry
Surfaces dry first. Underlay, subfloors, the bottom of wall frames and the inside of cavities can stay wet long after the carpet and paint feel dry. Closing up or re-laying flooring over damp materials is a common cause of mould and odours weeks later.
This is why technicians take moisture readings at the start, during drying and at the end, and compare them with unaffected areas of the same material.
What affects drying time
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1
Amount of water
A damp patch dries far faster than a room that was under standing water. Extraction of standing water comes first and shortens everything after it.
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2
Time before drying starts
Every hour water sits it moves further into floors and walls. Jobs that start on day one are usually shorter than jobs that start on day three.
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3
Materials
Carpet and plasterboard dry relatively quickly. Timber flooring, particleboard, concrete, brick and insulation hold moisture and take longer.
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4
Type of water
Contaminated water means porous materials are removed rather than dried, which changes the job from drying to removal, cleaning, disinfection and then drying.
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5
Temperature, humidity and airflow
Warm, dry air with good airflow speeds evaporation. Humid coastal weather slows it, which is why dehumidifiers matter as much as air movers.
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6
Equipment and monitoring
The right number of air movers and dehumidifiers, run continuously and adjusted from moisture readings, keeps drying on track.
How to help drying go faster
- Call for extraction as early as possible
- Leave drying equipment running day and night
- Keep doors and windows as the technician sets them
- Do not move or switch off equipment
- Tell the team if a machine stops or leaks
- Ask to see the moisture readings
Common questions
How long does wet carpet take to dry?
After professional extraction, carpet commonly dries within 1 to 3 days with air movers and dehumidifiers. The underlay and subfloor beneath it usually decide the real drying time.
How long do water-damaged walls take to dry?
Plasterboard walls wet with clean water often dry in 3 to 5 days with professional equipment. Wet insulation, double-layer or masonry walls take longer and sometimes need openings made to let air into the cavity.
How long does a timber floor take to dry?
Timber floors are slow. Drying commonly takes one to two weeks or more, and boards need to settle before any sanding or refinishing is considered.
How long does a concrete slab take to dry?
Concrete absorbs water and releases it slowly. Surface moisture may clear in days, but a saturated slab can take weeks to reach a level suitable for new floor coverings.
Can I turn the equipment off at night?
No. Switching equipment off lets humidity climb back and can add days to the job. If noise is a problem, talk to the team before turning anything off.
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