Mold on Clothes, Shoes and Leather in Humid Climates
You pull a pair of leather shoes off the closet shelf and they are covered in a pale green fuzz. A jacket you have not worn since last winter smells like a damp basement. In South Florida this is one of the most common mold complaints, and it surprises people because nothing ever got wet. No leak, no flood, just a closed closet in a humid climate. The more important question is why the closet is damp enough to grow mold in the first place.
Why closets are the first place it shows up
Mold needs moisture, a food source and still air. A closet supplies all three. Leather, cotton, wool, suede and even the dust and body oils on synthetic fabric are food. The door stays shut, so conditioned air from the rest of the home barely reaches inside. Closets on exterior walls are worse, because the wall surface runs cooler or warmer than the room and moisture collects on it.
Common triggers in Miami-Dade and Broward homes include:
- Setting the thermostat high or turning the AC off while traveling, which lets indoor humidity climb for days.
- An oversized AC system that cools the home quickly but does not run long enough to pull moisture out of the air.
- Clothes put away slightly damp, from the gym, the beach, the rain or a dryer cycle that ended early.
- Closets packed so tightly that air cannot move between garments or behind shoe racks.
- A closet that shares a wall with a bathroom, a laundry area or an AC air handler.
Cleaning washable fabrics
Take affected items outdoors before you handle them. Brushing or shaking moldy clothing inside spreads spores to everything else in the room. Wear gloves, and a well-fitting mask if you are sensitive to dust or mold.
- Brush off loose growth outside with a soft brush you are willing to discard.
- Wash on the warmest setting the care label allows, with regular detergent. Adding white vinegar to the wash can help with odor on fabrics that tolerate it.
- Check the item before it goes in the dryer. Heat can set a stain, so rewash if spots remain.
- Dry completely. Sunlight is useful for items that will not fade.
Cleaning leather, suede and shoes
Leather cannot go through a wash cycle, and soaking it causes its own problems. Work outdoors and go gently.
- Smooth leather: wipe off surface growth with a dry cloth, then clean with a cloth lightly dampened with a leather cleaner or a mild soap solution. Let it air dry away from direct heat, then apply a leather conditioner, since cleaning strips oils and dry leather cracks.
- Suede and nubuck: let the item dry fully, then use a suede brush. Avoid liquids as much as possible. Persistent staining is a job for a leather specialist.
- Shoes: remove insoles and laces and clean them separately. The inside of a shoe holds more moisture than the outside, so let pairs dry open for a day or more before they go back on a shelf.
Always spot test a cleaner on a hidden area first. Dry cleaning is the right route for structured jackets, silk and anything labeled dry clean only. Tell the cleaner the item had mold on it.
What is not worth saving
Items with deep growth through padding or foam, such as molded shoe insoles, old pillows or heavily affected cardboard shoe boxes, are usually better discarded. Cardboard in particular is an excellent mold food, so replace boxes with ventilated plastic or open shelving.
Keeping the closet dry
Cleaning the clothes without changing the closet conditions means repeating the job in a few weeks. Aim to keep indoor relative humidity roughly between 30 and 50 percent, and below 60 percent at all times. An inexpensive humidity gauge on a closet shelf will tell you where you actually stand.
- Leave the AC running at a moderate setting when you travel instead of switching it off.
- Leave closet doors open for part of the day, or swap solid doors for louvered ones.
- Keep a gap between clothing and exterior walls, and do not store shoes directly on the floor of a ground-level closet.
- Use a dehumidifier in the room or moisture-absorbing products in the closet, and empty or replace them on schedule.
- Never put anything away damp.
When the closet itself has mold
Look past the clothes. Spots on the closet walls, ceiling, baseboards or shelving, a musty smell that returns within days of cleaning, or growth that keeps appearing in one corner all point to a moisture source in the building: a plumbing leak in the wall, condensation from AC ducts or an air handler, or water coming through an exterior wall. That is no longer a laundry problem. If you are seeing mold on the walls or it keeps returning, request an on-site remediation estimate at drymiami.com or call (954) 778-7999. The visit is $79, credited in full toward the job if you hire DryMiami.
Mold problem at home?
We come out, find the moisture source and give you a written remediation estimate. The visit is $79, credited in full toward your job if you hire us.
