The short answer
Find and Stop the Moisture First
Mold needs moisture to grow, so removing it without fixing the leak or humidity problem means it will likely return. Check for common sources like a dripping pipe, a leaky roof, or condensation on cold walls. In a humid climate, a dehumidifier can help keep indoor moisture low.
If the mold appeared after flooding or a burst pipe, the water source may be hidden behind walls or under flooring. A water damage inspection can help locate the problem. The pros use moisture meters to find damp spots that are not visible to the eye.
Once you find the leak, stop it. If it is a plumbing issue, you may need a plumber. If it is a roof issue, a roofer can help. Until the source is fixed, mold will keep coming back no matter how well you clean.
- Look for water stains on ceilings or walls
- Check under sinks and around toilets
- Inspect window frames and door seals
- Feel for dampness on carpets and baseboards
- Use a dehumidifier in damp rooms like bathrooms or laundry areas
- Fix leaks promptly to prevent regrowth
Protect Yourself While Cleaning
Cleaning mold can release spores into the air, which can irritate your eyes, skin, and lungs. Wear rubber gloves, safety goggles, and an N95 mask. Open windows and doors to increase ventilation, but keep the room closed off from the rest of the house if possible.
If you have asthma, allergies, or a weakened immune system, consider having someone else do the cleaning. If you start coughing, sneezing, or feeling dizzy, stop and get fresh air. See a doctor if symptoms persist.
Never mix bleach with ammonia or other cleaners, as that can create toxic fumes. Use a simple solution of water and dish soap for hard surfaces, or a vinegar solution for non-porous items. Test a small area first to avoid damaging the surface.
- Wear gloves, goggles, and an N95 mask
- Open windows for ventilation
- Use a spray bottle to mist surfaces before scrubbing
- Avoid dry brushing that can send spores into the air
- Bag moldy items in plastic before disposing
- Clean hard surfaces with soap and water or vinegar
Clean Small Mold Patches Yourself
For small patches of mold, under about three square feet, you can often clean it yourself. Mix a cup of water with a teaspoon of dish soap, or use white vinegar straight from the bottle. Apply the solution with a cloth or sponge, scrub gently, then wipe dry.
Do not just paint over mold. Paint will not kill it, and the mold can bleed through. After cleaning and drying the surface, you can apply a mold-resistant primer and paint if needed. For porous materials like drywall or wood, the mold may have soaked in and require removal.
If the mold covers a larger area or you suspect it is inside walls, call the pros. They have the equipment and training to handle bigger jobs safely. Attempting to remove extensive mold on your own can expose you to high spore levels.
When to Call the Pros for Mold
Call the pros if the mold covers more than a few square feet, if it is in your HVAC system, or if the material is heavily damaged. Mold after flooding or a burst pipe often requires professional attention because water can seep deep into walls and floors.
The pros will assess the situation, find all affected areas, and remove the mold safely. They may use containment, air filtration, and specialized cleaning methods. They can also identify the moisture source and recommend repairs.
If you notice a musty smell or dark spots, act quickly. The longer mold sits, the more damage it can do to your home and your health.
Prevent Mold from Coming Back
After cleaning, keep the room dry and well-ventilated. Use exhaust fans in bathrooms and kitchens, and run a dehumidifier in damp areas. Fix any leaks right away, and check for condensation on pipes and windows. Keep indoor humidity below 60 percent if possible.
Regularly inspect your home for signs of moisture, especially after heavy rain or storms. Check your roof, gutters, and any crawl spaces for leaks after a storm.
If you have had a significant water event, consider a structural drying service to remove trapped moisture from walls and floors. The pros can use dehumidifiers and air movers to dry out the structure, reducing the chance of mold growth.
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Call Now (469) 698-4610Frequently asked questions
Can I just paint over mold?
No, painting over mold does not kill it. The mold can continue to grow under the paint and eventually show through. You need to clean the surface, remove all mold, and ensure it is dry before painting.
Is bleach effective for mold removal?
Bleach can work on hard, non-porous surfaces, but it is not effective on porous materials like wood or drywall. For those, the mold often grows into the material, and the affected section may need to be cut out and replaced.
What if I find mold after water damage?
After water damage, mold can start growing within 24 to 48 hours. Act quickly to dry the area and remove wet materials. If the water damage is extensive, call the pros to handle the cleanup and drying to prevent mold from spreading.