How to Remove Mold & Mildew From Any Floor

Mold & Mildew on Carpet

1. 1.Open windows, run a fan, and run a dehumidifier first. Mold loves a damp pad, so dry the carpet fully before you clean.
2. 2.Vacuum the dry, fuzzy growth slowly with a HEPA vacuum so you do not scatter spores into the air.
3. 3.Mix a little mild detergent in cool water. Blot the spot with a white cloth, working from the outside edge inward. Blot, never rub.
4. 4.For a stubborn spot, dab 3% hydrogen peroxide on a white cloth and test a hidden corner first, since peroxide can lighten some dyes.
5. 5.Blot the area dry with clean towels and keep the fan running 24 to 48 hours until the carpet and the floor under it are bone dry.
6. 6.Peel back a corner and look. If you see mold on the backing, the pad, or the subfloor, or the patch is bigger than about 3 feet by 3 feet, stop and call a pro. The pad gets replaced, not cleaned.

Never: Do not soak the carpet or pour cleaner straight onto it. The water feeds the mold and direct solvent contact dissolves the latex backing. On wool or wool-blend carpet, skip ammonia, it yellows the fibers and breaks the dye bond.

Mold & Mildew on Hardwood

1. 1.Stop the moisture first. Dry the boards with fans and a dehumidifier, because mold on wood means water got in somewhere.
2. 2.Mix a mild detergent with a little clean water. Surface mold on a sealed finish usually wipes right off.
3. 3.Dampen a soft cloth or a soft-bristle brush, not a soaking one, and clean the spot. Work in small sections and dry each one as you go.
4. 4.Wipe the area dry right away, then let fans finish the job so no moisture sits in the seams.
5. 5.For routine care after, use a cleaner made for wood floors. A pH-balanced wood cleaner protects the finish.
6. 6.If the dark stain went through the finish into the wood, or the boards feel soft or cupped, call us. That needs sanding, refinishing, or board replacement, and our certified installers can match it.

Never: Never wet-mop or steam-mop wood. The water and steam seep through the seams and warp the boards and finish, and can void the warranty. Skip bleach, ammonia, and vinegar too. Bleach and ammonia strip the finish and vinegar's acid dulls it over time.

Mold & Mildew on LVP / Vinyl

1. 1.Dry the surface and check why it got wet. Luxury vinyl is waterproof on top, but mold grows where moisture sits, often along seams or under the plank.
2. 2.Wipe the surface mold off with a damp cloth or mop. Vinyl is nonporous, so the growth on the surface lifts easily.
3. 3.For more cleaning, use a manufacturer-approved floor cleaner, or follow the EPA's home mold steps for a hard surface: detergent and water, then dry completely.
4. 4.Dry the floor fully and keep air moving so moisture does not get trapped under the planks.
5. 5.If you smell a musty odor but the surface looks clean, the problem is likely under the floor. Have it checked, because trapped water under vinyl breeds mold you cannot see.

Never: Do not steam-mop or flood the floor unless your specific product's warranty clearly allows steam, since many vinyl lines forbid it and the trapped heat and water can damage the floor and void the warranty. Skip oil soaps, wax, and abrasive pads that dull and scratch the wear layer.

Mold & Mildew on Laminate

1. 1.Fix the leak or spill and dry the floor fast. Laminate has a wood-based core that swells once water reaches it, so speed matters.
2. 2.Wipe surface mold off the top wear layer with a well wrung damp cloth. The top is sealed, so the growth usually comes right up.
3. 3.If you need more, lightly mist a manufacturer-approved laminate cleaner and damp-mop. Mist, do not saturate.
4. 4.Dry the floor right away and run fans, paying attention to the seams between planks.
5. 5.Swollen, lifted, or peaking planks mean water already reached the core. Those boards need to be replaced, so give us a call.

Never: Never wet-mop or steam-mop laminate. Heat and standing water weaken the seams, warp the core, and damage the wear layer. Skip oil soaps, wax, polish, and abrasive cleaners, which leave a film and scratch the surface.

Mold & Mildew on Tile & Grout

1. 1.Dry the area and improve airflow. Bathrooms and Florida humidity keep grout damp, which is where mold and mildew settle in.
2. 2.Mix an alkaline cleaner like Spic and Span or Mr. Clean per the label. Tile and grout do best with an alkaline cleaner, not an acid.
3. 3.Scrub the grout lines with a stiff nylon brush, then let the cleaner dwell a few minutes on stubborn spots.
4. 4.For deeper grout staining or mildew, a diluted bleach solution can be used on ceramic and porcelain tile and grout. Ventilate well and never mix it with ammonia, which makes a toxic gas.
5. 5.Rinse with clean water and wipe dry. Leftover cleaner film attracts more dirt, so rinse well.
6. 6.If mold keeps returning in the same joints, the grout may be failing or moisture is getting behind the tile. Have it looked at, and reseal the grout once it is clean and dry.

Never: Do not clean grout with vinegar, lemon, or other acids. Cement grout is alkaline and acid dissolves and weakens it. Skip oil- or wax-based cleaners like Murphy Oil Soap and Pine-Sol, they leave a film deep in the porous grout.

Mold & Mildew on Natural Stone

1. 1.Dry the stone and find the moisture source. Marble, travertine, granite, and limestone all hold mildew where they stay damp.
2. 2.Reach for a pH-neutral stone cleaner first for routine mold and mildew on sealed stone.
3. 3.For tougher biological growth, the Natural Stone Institute allows a diluted solution: about a half cup of hydrogen peroxide (or bleach, or ammonia) per gallon of water. Pick only one, never mix bleach and ammonia.
4. 4.Test any solution on a hidden spot first, wipe the area, then rinse with clean water and dry with a soft cloth.
5. 5.If a dark stain has soaked into the stone, a poultice can pull it out. Call us or a stone restoration pro, because the wrong product etches stone permanently.

Never: Never use vinegar, lemon, or any acid on marble, travertine, or limestone. The acid etches a permanent dull spot. Avoid store rust removers too, many contain hydrofluoric acid that attacks all stone, even granite and quartzite.

How do you get mold and mildew out of carpet?

Dry the carpet first with fans and a dehumidifier, then vacuum the dry growth with a HEPA vacuum. Blot the spot with a white cloth dampened in mild detergent and cool water, working from the outside in. Never soak the carpet or pour cleaner on it, since the water feeds mold and dissolves the latex backing. If the pad or backing is moldy, replace it and call a pro.

Can mold under carpet be cleaned, or do you have to replace it?

Surface mold on a small spot can often be cleaned and dried. But the EPA notes carpet is porous, so mold that reaches the backing, pad, or subfloor usually cannot be fully removed. If the area is bigger than about 3 feet by 3 feet or the pad is soaked, replace the pad and bring in a professional.

How do you clean mold off a hardwood floor without ruining it?

Dry the wood first, then wipe surface mold off the sealed finish with a soft cloth or brush dampened in mild detergent. Work in small sections and dry as you go. Never wet-mop or steam-mop, since water seeps into the seams and warps the boards. If the stain went through the finish into the wood, it needs sanding or board replacement.

Is it safe to use vinegar on hardwood floors to kill mold?

No. The National Wood Flooring Association warns that vinegar's acid can damage the finish and the wood over time. Bleach and ammonia strip the finish too. Use a cleaner made for wood floors, applied with a damp, not wet, cloth, and dry the floor right away.

How do you remove mold from vinyl plank flooring?

Luxury vinyl is nonporous, so surface mold wipes off with a damp cloth or mop and a hard-surface cleaner. Dry the floor fully and keep air moving. A musty smell with a clean-looking surface usually means moisture is trapped under the planks, which should be checked. Avoid steam unless your product's warranty specifically allows it.

Why does mildew keep growing on my laminate floor?

Laminate has a wood-based core, so any leak or standing water feeds mold and swells the planks. Wipe surface mildew off the sealed top with a well wrung damp cloth, mist a laminate cleaner if needed, and dry fast. Never wet-mop or steam-mop. Swollen or lifted planks mean water reached the core and those boards need replacing.

What kills mold and mildew in tile grout?

Use an alkaline cleaner like Spic and Span or Mr. Clean, since cement grout is alkaline and acids weaken it. Scrub the lines, let it dwell, then rinse and dry. For stubborn mildew on ceramic or porcelain, a diluted bleach solution works. Ventilate and never mix bleach with ammonia. Reseal the grout once it is clean and dry.

Can you use bleach or vinegar on grout to remove mold?

A diluted bleach solution is fine on ceramic and porcelain tile and grout for mildew, with good ventilation and never mixed with ammonia. Vinegar is not, because its acid dissolves and weakens cement grout. Stick with an alkaline cleaner for routine cleaning and bleach only for stubborn staining.

How do you safely remove mold from marble or travertine?

Use a pH-neutral stone cleaner first. For tougher growth, the Natural Stone Institute allows about a half cup of hydrogen peroxide, bleach, or ammonia per gallon of water, using only one and never mixing bleach and ammonia. Never use vinegar, lemon, or acidic rust removers, which etch the stone permanently. A soaked-in stain calls for a poultice or a stone pro.