The short answer
Small Spots You Can Clean
Small mold patches on tile, glass, or metal are often fine to clean yourself. Use a mild detergent and water, scrub the area, and dry it completely. Keep the space ventilated and wear gloves and a mask to avoid breathing in spores.
If the mold returns after cleaning, or if you see it spreading beyond the initial spot, stop and reassess. Persistent growth suggests a moisture problem that needs fixing, not just more scrubbing. Address the leak or humidity source first, then clean again.
- Mold on hard surfaces like tile or glass
- Areas smaller than a few square feet
- Visible mold with no hidden growth
- No health symptoms from exposure
- You can dry the area thoroughly
When Mold Gets Too Big
Mold becomes too big when it covers more than a small patch, or when it grows on porous materials like drywall, wood, or carpet. These materials absorb moisture and mold can penetrate deep, making surface cleaning ineffective. Cutting out and replacing affected sections is often necessary.
Hidden mold behind walls, under flooring, or in HVAC systems is another red flag. You might smell a musty odor but see no visible growth. That kind of mold can spread spores throughout your home and cause health issues, so professional assessment is wise.
- Mold covering more than a small area
- Growth on drywall, wood, or carpet
- Mold behind walls or under floors
- Musty smell with no visible source
- Anyone in the home has respiratory symptoms
- Water damage from flooding or a burst pipe
Health Risks of Large Mold
Large mold colonies release more spores into the air. Breathing in these spores can cause coughing, sneezing, itchy eyes, or worse for people with asthma or allergies. Prolonged exposure may lead to more serious respiratory problems.
If you or anyone in your home feels unwell from mold exposure, see a doctor. Do not attempt to clean large mold areas yourself, as that can stir up spores and make the situation worse. Professional mold remediation involves containment and proper removal.
What the Pros Usually Do
When mold is too big, the pros follow a containment and removal process. They set up barriers to prevent spores from spreading, use HEPA filters, and remove contaminated materials. They also identify and address the moisture source to stop mold from returning.
The work often involves cutting out affected drywall, removing soaked carpet, and treating the underlying structure. After removal, they dry the area and may apply an antimicrobial treatment. The goal is to eliminate mold and fix the conditions that allowed it to grow.
For extensive water damage, such as from a flood or burst pipe, the pros may also handle structural drying and cleaning. If you live in St. Petersburg, the humid climate can speed up mold growth, so acting quickly after water damage is important.
- Containing the affected area
- Removing porous materials like drywall
- Drying and treating the space
- Fixing the moisture problem
- Preventing future mold growth
When to Call the Pros
Call the pros if the mold covers more than a small patch, if it's on porous materials, or if you can't see the full extent of the growth. Also call if the area is large, like after flooding, or if anyone has health symptoms. Professional help is safer and more effective.
Before any work starts, the pros will assess the situation and explain the process. You can ask about what they will remove and how they will address the moisture source. If you file a claim, your insurance company decides what is covered.
Policies vary, and your insurer decides what is covered. Keep records of the damage and any communication with your insurance company. The pros can provide documentation of their work, which may help with your claim.
- Large visible mold growth
- Mold on drywall, wood, or carpet
- Hidden mold suspected
- Health symptoms from exposure
- After a flood or major leak
Talk to someone now
Call (727) 308-5518 any time, day or night, and describe what happened.
Call Now (727) 308-5518Frequently asked questions
Can I clean mold myself if it's on a small area?
Yes, small patches on hard surfaces like tile or glass can be cleaned with detergent and water. Use a mask and gloves, scrub well, and dry the area completely. If the mold returns or spreads, call the pros.
What should I do if I smell mold but can't see it?
A musty smell often means hidden mold behind walls or under flooring. Do not try to find it by tearing things open, as that can release spores. The pros have tools to locate the source and contain the area during removal.
How fast does mold grow after water damage?
Mold can start growing within 24 to 48 hours in warm, humid conditions. In a humid climate like St. Petersburg, that timeline can be shorter. Acting quickly to dry out the area and calling the pros for large damage is key.
More questions and answers
- How Do Pros Handle Mold in a Medical Office Building?
- How Do Property Managers Handle Mold Complaints?
- How Do Pros Handle Mold in a Commercial Property?
- What Does Mold Exposure Do to Your Lungs Long-Term?
- Can a Flooded Garage Cause Mold Problems?
- How Does Mold Get Into a Home Through HVAC?
- All articles