Reasons to Hire Professionals for Structural Drying Services
It may not be the best option to leave water-damaged walls and concrete to dry out on their own. Slow drying can result in further deterioration and cause irreversible damage to the structure. This kind of moisture-related damage is referred to as concrete cancer.
The speed required for the structural drying process is critical. Deferring this job can only result in extensive maintenance and repairs down the track, which is why it is important to hire experienced operators like us at Flood Services Brisbane.
What Is Concrete Cancer and Why Does Structural Drying Prevent It?
Concrete cancer sounds dramatic because it is. When moisture penetrates concrete and reaches the steel reinforcement inside, the steel begins to rust. Rust expands at up to eight times the volume of the original steel. That expansion cracks the surrounding concrete from the inside out, often invisibly at first.
By the time you see surface cracking or spalling, the damage is already significant and very expensive to repair. In Brisbane’s subtropical climate, where humidity is already high and flooding events are common, unresolved structural moisture is the number one accelerator of concrete cancer in residential and commercial buildings.
Professional structural drying stops this process before it starts. We dry all affected concrete and masonry to verified moisture thresholds, documented in a certified drying log. This report is also what your insurer needs to authorise reinstatement costs.
How Long Does It Take to Dry Different Building Materials?
Not all materials dry at the same rate. The type of material affected determines the equipment we use, how long the drying process takes, and how we verify completion. Here is what Brisbane homeowners and property managers need to know.
| Material |
Typical Drying Time |
Key Risk if Untreated |
Drying Method |
| Plasterboard (Gyprock) |
3–5 days |
Mould colonisation, structural softening, paper face deterioration |
Air movers + LGR dehumidifiers; wall cavity injection if needed |
| Timber Floor Framing |
5–10 days |
Rot, warping, termite attraction, structural failure |
Subfloor drying systems, airflow targeting, moisture monitoring |
| Concrete Slab / Block |
7–14 days |
Concrete cancer, efflorescence, adhesion failure |
High-volume air movers + dehumidification, surface drying protocols |
| Brick Masonry |
7–21 days |
Salt crystallisation, mortar failure, internal mould in cavities |
Sustained low-humidity environment, cavity ventilation |
| Timber Wall Framing |
5–14 days |
Structural weakening, mould within wall cavities |
Injection drying or controlled wall cavity access |
All drying timelines are confirmed using calibrated moisture metres and data loggers, not visual estimates. We sign off only when verified readings confirm safe dryness.
Structural Drying: Our Work Process
- Using moisture metres to measure the damage.
- Extracting water using the latest equipment and tools.
- Installing commercial grade fans for quick moisture evaporation.
- Dehumidifying the air to prevent further damage.
- Ensuring that the ideal temperature is maintained to aid evaporation and dehumidification.
Professional Equipment That Dries Structures Faster
The speed and effectiveness of structural drying is entirely dependent on the equipment used. Household fans and domestic dehumidifiers are not designed for the volume of moisture involved after a flood or pipe burst. Here is the equipment our technicians deploy on every structural drying job.
| Equipment |
What It Does |
Why It Matters |
| LGR Dehumidifiers |
Low Grain Refrigerant dehumidifiers pull moisture from the air at very low humidity levels where standard dehumidifiers stop working |
Critical for pushing final moisture out of structural materials in the 40–60% RH range |
| High-Velocity Air Movers |
Industrial fans that increase evaporation rate from wet surfaces by replacing saturated air with dry air |
Accelerates drying from days to hours for surface materials |
| Thermal Imaging Cameras |
Infrared cameras that identify cold spots indicating moisture pockets inside walls, under floors and in ceilings |
Locates hidden moisture invisible to the naked eye; prevents missed wet spots |
| Calibrated Moisture Metres |
Pin and non-invasive metres that measure moisture content inside structural materials |
Provides verifiable, documented readings for insurance reports and drying sign-off |
| Data Loggers |
Continuous temperature and humidity sensors placed in drying zones throughout the job |
Creates the certified drying log required by Australian insurers |
What Happens to Your Structure If You Wait? The Real Cost of Delay
Every hour a structure remains wet, the damage compounds. In Brisbane’s humid subtropical climate, deterioration happens faster than most people expect. Here is exactly what happens across the first 72 hours.
| Time After Event |
What Happens to Your Structure |
What It Costs You |
| 0–6 Hours |
Water saturates porous materials. Plasterboard softens. Timber begins absorbing. Surface staining begins. |
Extraction and drying only. Lowest intervention cost. Most materials salvageable. |
| 6–24 Hours |
Moisture wicks into wall cavities and subfloor. Plasterboard structural integrity compromised. Timber starts swelling. |
Structural drying + possible plasterboard section removal. Costs increase 30–60%. |
| 24–48 Hours |
Mould spore activation in damp materials. Timber warping visible. Concrete begins retaining moisture deeper. |
Drying + mould prevention treatment + partial material removal. Costs double vs early intervention. |
| 48–72 Hours |
Active mould growth in wall cavities and subfloor. Structural timber integrity declining. Concrete cancer risk elevated. |
Full remediation. Some structural repair may be unavoidable. Costs triple or more. |
Call Flood Services Brisbane the moment you discover water damage: 07 3185 0987. The sooner we start, the more of your structure we save.
How Much Does Structural Drying Cost in Brisbane?
Structural drying costs depend on the affected area, the materials involved, the water category and how quickly we are called in. The earlier the intervention, the lower the cost. Here is a general guide.
| Job Size |
Description |
Typical Cost Range |
| Small (single room) |
One room affected, one material type, called within 24 hours |
$1,500 – $3,000 |
| Medium (2–3 rooms) |
Multiple rooms, mixed materials, some wall cavity involvement |
$3,000 – $6,000 |
| Large (whole floor / subfloor) |
Significant structural involvement, subfloor, concrete, multi-day drying |
$6,000 – $12,000+ |
| Commercial property |
Large-scale, multiple crews, extended timeline |
Quote on assessment |
These are estimates only. We provide a free written assessment before any work begins. Most structural drying costs are covered under building insurance for sudden and accidental events. We handle the documentation and communicate directly with your insurer.
100% WORKMANSHIP
ENERGETIC, FRIENDLY &
DETAILED QUOTES
