This page explains the factors that determine the outcome and how professional drying works.
Call 1800 739 867
or Send details & photos.
Immediate Guidance
- Stop the source if safe.
- Remove standing water if it can be done safely without damaging the floor further.
- Avoid walking on swollen or unstable sections.
- Do not apply heat directly in an attempt to speed drying — this can worsen cupping or checking.
- Arrange professional moisture assessment of both the floor and the subfloor.
Factors That Determine Whether Timber Floors Can Be Saved
- Type of floor — Solid timber, engineered, laminate, hybrid and bamboo respond differently.
- Time since wetting and how long moisture remained.
- Water category (clean, grey or black).
- Construction details — how the floor is fixed, whether there is a moisture barrier, and the type of subfloor.
- Degree of cupping, crowning, swelling or delamination already present.
- Ability to dry the subfloor — residual moisture under the floor is a common cause of ongoing problems.
Surface appearance alone is not a reliable guide. Moisture meters and, where useful, further investigation are required.
Why a water-resistant surface still needs a subfloor check
Water resistance describes a particular product and installation; it does not show whether water has reached the layers below. The assessment needs to consider the floor covering, joints, underlay or adhesive and the supporting subfloor.
- Timber and engineered boards: Record cupping, lifting or separated layers alongside the moisture findings. The drying plan and a later repair or finishing decision are separate questions.
- Laminate: Identify the product and any swollen edges or damaged joints. Its construction and the manufacturer’s requirements matter when considering retention or replacement.
- Hybrid or vinyl over timber: A sound-looking surface can conceal dampness below. Relatively impermeable coverings can trap moisture in a timber subfloor, so the condition underneath needs checking too.
Ask which layers are wet, what access is needed to assess concealed areas, and what findings will guide the next repair or reflooring decision. Drying or replacing the visible boards alone does not establish that the subfloor is ready.
Read ATFA’s guidance on floor coverings over timber subfloors (PDF) for more background.
Professional Process
- Assessment of the floor and subfloor moisture
- Extraction of any remaining bulk water
- Decision on drying in place vs uplift / replacement
- Controlled drying of the floor system and subfloor
- Monitoring with repeated readings
- Documentation of conditions and results
Extraction is only the first stage. The goal is stable moisture content across the floor system.
When Replacement Is More Likely
- Significant cupping or crowning that does not recover
- Delamination of engineered or laminate products
- Contamination (Category 3 water)
- Subfloor that cannot be adequately dried with the floor in place
- Structural or safety concerns
The assessment provides a clear recommendation based on the actual conditions.
Related Pages
Frequently Asked Questions
Can cupped timber floors return to normal?
Sometimes, with controlled drying and time. Severe or prolonged wetting reduces the chance of full recovery.
Should I turn the heating up to dry the floor?
No. Uncontrolled heat can cause further damage. Professional drying uses controlled conditions and monitoring.
Will my insurer cover floor drying or replacement?
Coverage depends on the cause and your policy. We provide documentation; the insurer decides.
Arrange a timber-floor assessment
Tell us your suburb or postcode, when the floor became wet and whether water is still entering. If known, include the floor type, affected rooms and any swelling or loose boards. Safe photos can help explain the situation; moisture checks are needed to assess concealed layers. If already available, a product name or spare-board label can help identify the floor construction. You do not need to lift boards or skirting to send an initial enquiry.
Call 1800 739 867 or send details & photos.