The short answer
Why DIY Can Backfire
When you scrub mold with bleach or household cleaners, you may only remove the surface stain. The mold roots, called hyphae, can stay deep inside drywall, wood, or insulation. If you don't address the moisture feeding it, the mold simply grows back, sometimes in a larger area.
Disturbing mold without proper containment can release thousands of spores into the air. Those spores travel to other rooms and settle on damp spots, creating new colonies. You might also inhale them, which can irritate your lungs, especially if you have allergies or asthma. See a doctor if you feel unwell after cleaning mold.
When DIY Is Acceptable
For a small patch of mold, less than about 10 square feet, on a hard surface like tile or glass, you can try cleaning it yourself. Use soap and water, then dry the area completely. Keep the room ventilated and wear gloves, goggles, and an N95 mask.
The key is to find and fix the moisture source first. If a leaky pipe or roof is still dripping, no cleaner will stop the mold. Check behind the surface if you can, and make sure the area stays dry for several days. If the mold returns, you likely missed something.
Use soap and water, not bleach, on porous surfaces.
Wear an N95 mask, gloves, and goggles.
Fix any leak before cleaning.
Dry the area thoroughly after cleaning.
Throw away porous items like carpet or drywall.
Watch for return growth within a week.
Why Professional Help Matters
The pros have equipment like air scrubbers and moisture meters that find hidden mold and the moisture feeding it. They also know how to contain the area so spores don't spread to the rest of your home. For larger infestations, this is the safest approach.
Professional mold remediation usually involves removing affected materials, cleaning the space, and drying it thoroughly. They can also identify the source of moisture, whether it's a plumbing leak or a roof problem. That step is essential, because without fixing the source, mold will keep coming back.
If you live in St. Petersburg, the humid climate can make mold problems more stubborn. Acting quickly and getting the right help can save you from bigger repairs down the road.
When to Call the Pros
You should consider calling the pros if the mold covers more than 10 square feet, if you smell a musty odor you can't find, or if you have health issues like asthma. Also, if mold appeared after flooding or a burst pipe, the water may have soaked into hidden areas.
The pros can inspect your home and find all affected spots, including inside walls and under flooring. They can also handle the cleanup safely, so you don't risk your health. After they finish, you'll know the moisture issue is addressed, not just the visible mold.
Policies vary, and your insurer decides what is covered. Check your policy to see if mold damage from a covered water loss might be included.
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Call (727) 308-5518 any time, day or night, and describe what happened.
Call Now (727) 308-5518Frequently asked questions
Can I just paint over mold after cleaning it?
Painting over mold is not a solution. The mold will keep growing underneath and can damage the paint and the wall. You need to remove the mold completely and fix the moisture problem first, or it will return.
Is bleach effective for killing mold?
Bleach can kill mold on hard, non-porous surfaces, but it doesn't penetrate porous materials like drywall or wood. It can also leave residue that feeds mold later. Soap and water or a commercial mold cleaner is often safer and more effective.
How do I know if mold is making me sick?
Symptoms like coughing, sneezing, watery eyes, or headaches can be signs of mold exposure. If you feel unwell after being in a moldy area, see a doctor. They can help determine if mold is the cause and suggest ways to reduce your exposure.