How can you tell if you have mold under your floor?

If you believe you have mold under or around your vinyl floors, look for black growth coming from the edges of the planks, as well as discoloration or bubbling of the material.
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How do I get rid of mold under my floor?

Treat exposed molded subflooring with a mixture of 1 cup of borax and 1 gallon of water or an EPA-registered mold removal product. Spray the solution on the moldy plywood. You can also soak affected subflooring with a brush broom. Wait 10 minutes, scrub the area, and repeat the process two more times.
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Can mold grow under floors?

Old house or new, mold can develop practically anywhere, as long as the conditions are right. It's not uncommon, for example, for mold to grow under vinyl flooring or under wooden floorboards. Mold can be tricky – it can actually “hide” in its early stages of development, and can go unnoticed for quite some time.
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Can mold under the flooring make you sick?

Whether it's the slimy black spots on your shower curtain, the fuzzy white patches on your basement floor, or the slick orange film that forms on your kitchen drain, household mold is more than unsightly. In some cases, mold in your home can make you sick, especially if you have allergies or asthma.
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How can you tell if mold is under vinyl flooring?

Look for black growth coming from the edges of the linoleum, as well as discoloration or bubbling of the material. Inspect for water stains or other signs of water damage, as mold grows underneath linoleum when moisture becomes trapped between the flooring and the sub-floor.
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3. Discovering mold and cleaning it up



How do you get rid of mold under vinyl flooring?

If your kit comes back with a harmless, common mold, you can simply clean it up with a bleach and water mixture. Allow the area to air dry completely with the use of fans or an air purifier. Clean off the affected vinyl flooring in the same manner, allow to dry, and then reinstall.
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Can black mold grow under vinyl flooring?

Although vinyl plank flooring is well-known to be waterproof, it does not mean that liquids can seep through the cracks, grooves, or edges and become trapped under the planks, allowing mold to grow underneath your floors.
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How can I test myself for mold exposure?

Testing Methods

We use a variety of specialized methods to look for mold toxicity in your body. These methods may include blood and urine tests. We may also perform sputum, sinus, or tissue analysis. These tests are easy and straightforward.
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What does mold poisoning feel like?

Primarily, mold illness is associated with allergic reactions that mimic seasonal allergies. Respiratory symptoms such as wheezing, coughing, watery eyes, and skin irritation are the predominant symptoms.
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What are the symptoms of mold in your body?

Mold may cause:
  • skin irritation.
  • sporotrichosis, a skin infection that starts out as a small pink, red, or purple bump on the skin.
  • itchy, red eyes.
  • runny or stuffy nose.
  • postnasal drip.
  • headache.
  • dizziness.
  • asthmatic symptoms, such as coughing, wheezing, shortness of breath, and tightness in the chest.
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Do I need to replace moldy subfloor?

The moldy subfloor must also be removed and replaced. Particular care must be taken when cutting into moldy wood because the process sends mold spores flying into the air. Moldy wood removed from the subfloor should be enclosed in double plastic bags before it is carried through the house.
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How long does it take mold to grow under floor?

mildew and mold will develop within 24-48 hours of water exposure. Even worse, it will continue to grow until steps are taken to eliminate the source of moisture, and effectively deal with the mold problem.
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Is there a mold detector?

To test for mold spores in the air you're breathing, you'll need to purchase a viable mold detection kit such as Seeml Labs' Mold Inspector in a Box. Most quality mold tests cost between $20 and $45. The entire testing process will take a few days.
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What does black mold smell like?

It's often described as musty and earthy, and may even smell like rotting vegetables or plants. You might notice a musty smell, but not be able to see any mold growing. In this case, you should look for areas that might be exposed to water.
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What kills mold permanently?

Bleach kills virtually every species of indoor mold that it comes into contact with including mold spores which leaves a sanitized surface making it resistant to future mold growth.
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How do I find hidden mold in my house?

When looking for hidden mold, check these areas:
  1. Behind wallpaper, paneling, and drywall.
  2. Opposite side of ceiling tiles.
  3. Underneath carpets and rugs.
  4. Wall surfaces behind furniture.
  5. Areas near pipes.
  6. Air ducts.
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Is there a kit to test for mold?

A: The Mold Armor Do-It-Yourself Mold Test Kit lets you test for the presence of mold in just 48 hours. If you find mold present in your test dish you can register your mold sample online and $40 to receive a lab analysis to determine the mold type.
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How long does it take for mold to make you sick?

These symptoms usually first appear 2 to 9 hours after exposure and last for 1 to 3 days. Other affected persons have progressive shortness of breath and cough, as well as weight loss. Work-relatedness may only become apparent over long holidays if symptoms resolve and then recur on return to work.
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What is the black stuff under the vinyl floor?

So, removing old linoleum or vinyl flooring may come as a surprise to some homeowners when they see smears of some type of black adhesive between the tiles and the subfloor. This is often called black mastic and it often contains asbestos.
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What does mold smell like?

Most people describe the smell of mold as musty, stale, and earthy — somewhat similar the odor of wet socks or decaying wood. Although mold smells can vary, here are some of the most common characteristics: Musty and Stale — like old socks or a stuffy attic that hasn't been aired out in months.
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Can mold grow under laminate floors?

Allow the floorboards to dry completely (this make take several days) before replacing the laminate flooring. Otherwise, you risk ending up with mold beneath your floor. You can read all about subfloor mold to learn why it is so hazardous. You'll also find valuable information about repairing damage to subfloors there.
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Can black mold grow under linoleum?

Certain types of materials, like linoleum, are susceptible to mold infestations. Linoleum is a very sturdy material, however, if it isn't regularly cleaned and sealed formations begin to take hold. It's important to clean and remove mold under linoleum flooring as soon as you notice it.
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What happens when water gets under vinyl plank flooring?

Warping, buckling, and discoloration are all indicators of water or moisture damage on vinyl floor planks. The crawlspace is an excellent place to look if you suspect that your vinyl floor is getting damaged because of a wet subfloor. Mold can grow on the floor joints if there is a lot of moisture in the air.
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What happens if water gets under waterproof vinyl flooring?

Still- water may end up underneath your vinyl floorboards if the seams and perimeter aren't well-sealed. Such moisture can also cause mold to grow beneath the vinyl planks.
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How do you know if mold is behind drywall?

7 Common Signs Mold Is Inside Your Walls
  1. Musty Smell. Mold has a musty smell often compared to wet cardboard, wet pets, or an old house's basement.
  2. Visible Mold. Mold inside walls often stays within the walls. ...
  3. Soft Drywall. ...
  4. Stains. ...
  5. Previous Flooding. ...
  6. Poor Health.
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