How to Test for Mold in House

This is a very important question that every homeowner should ask themselves at least once a year: how to know if there is mold in your home. Mold is a fungus that likes to eat porous, moist materials. It’s supposed to break down things like fallen trees, but it can’t tell the difference between your house and an old tree trunk.

While most of the time, you would not fret about a little wildlife in your home, mold is bad news for both the structural integrity of your house and the long – term health of your family. Today, we are exploring what mold is, how to identify its growth, how to detect mold in a house, and how to test for mold in house environments safely and accurately.

WHERE DOES MOLD COME FROM?

Some areas have a bigger mold problem than others, but mold spores exist in nature absolutely everywhere. Any time something fibrous gets soaked, mold spores can start to grow. Drywall, clothing, insulation, particle board, the beams of your home, upholstered furniture – even your mattress – are all at risk of growing mold if damp enough to hold moisture.

This is why a home flood or plumbing leak, even in the driest climates, can result in new mold growth. However, you do not have to see standing water for there to be hidden mold in your home. In many cases, homeowners only begin detecting mold in house structures after noticing smells or health symptoms.

WHY IS IT BAD FOR YOUR HOUSE

For many, a little discoloration on the back side of the drywall would not be a big deal. Live and let live, you might say. However, mold has three very important downsides that make it more dangerous than a little grass near the foundation or a bird’s nest on the roof.

• UNWANTED MUSTY SMELLS

  • Mold does not smell good. The more it spreads, the stronger that musty, sour – laundry odor becomes. It may blow through your air vents, emanate from the walls, puff up with each step on the carpet, or exude from furniture. Persistent odor is often one of the first signs when trying to detect mold in house areas.

• STRUCTURAL INTEGRITY OF YOUR HOUSE

  • Mold eats away at boards, walls, and beams like it would an old tree. You can often tell a spot is moldy because it feels soft or crumbly to the touch. Over time, this can cause structural weakening, sagging roofs, and costly repairs.

• HEALTH PROBLEMS WITH THE FAMILY

  • Excessive mold spores in the air can harm your family. This  starts with allergy symptoms and headaches that are worse at home or in the morning after sleeping in the house. However, it can become long-term and even cognitive damage depending on the type and concentration of mold spores breathed daily.

HOW TO DETECT MOLD IN HOUSE

Most of the time, families can identify mold without needing a lab test. Learning how to detect mold in a house begins with careful visual inspection and paying attention to odors.

Mold often appears as speckles or splotches in green, black, brown, yellow, white, or beige tones. It is commonly found near plumbing, below roof flashing, or in damp basements.

However, mold does not need constant moisture – just enough to get started. If you do not see visible growth, it may still exist behind drywall, in insulation, or in low – airflow areas. When detecting mold in house structures, softened materials and musty smells are key warning signs. Here’s a quick summary of how to find mold in your house:

• SIGNS OF MOLD

  • Speckles and Splotches that Do Not Wipe Away
    • It often looks like a bunch of little dots instead of obvious fuzzy mounts. Look for spreading “dark dirt” near places like corners, vents, and plumbing.
  • Green, Brown, Yellow, Black, White, and Beige Discoloration
    • It can be a lot of different colors. Some types of mold are multi-colored or change colors with the seasons.
  • Soft or Porous to the Touch, Musty to the Nose
    • It can make your walls or wood soft and crumbly if you tap it with a screwdriver or butter knife

• WHERE TO LOOK FOR MOLD IN HOUSE

  If you are unsure how to find mold in your home, start in moisture – prone areas:

  1. Near plumbing and under sinks
     • Check under sinks, shower heads, and near plumbing junctures. Especially if it looks like the last plumbing job was DIY or the seal is starting to crumble.
  2. In the attic below the roof
     • If there is a small leak in your roof, the attic beams may get wet which can A) grow mold and B) cause your roof structure to soften and sag.
  3. In air ducts, vents, and HVAC filters
     • This one, you can usually smell. Look for spots near the vents and a musty smell when the AC fan comes on – or in the air filter when changed.
  4. In damp basements along walls and floors
     • Basements with a damp problem can grow mold anywhere that drywall or wood impacts the cold foundation – or near leaky basement plumbing.
  5. Behind drywall and inside insulation
     • If you can not see it but there are signs, it might be behind your drywall, on the backside which dries more slowly.
  6. Anywhere that has been wet or moist
     • If there is a big spill or plumbing leak, anything soaked might be at risk, even if it dries in a few days.
  7. Anywhere that has flooded and dried
     • If the home floods while you live there – or ever flooded with previous owners – there could be hidden mold in the carpet, walls, beams, or wood features.

HOW TO TEST YOUR HOME FOR MOLD

If you suspect mold but aren’t sure, you can confirm your suspicions with a testing kit. Especially if family members show mold exposure symptoms(it can be different for each person) understanding how to test for mold in house areas can provide clarity.but you have not yet located a large mold colony with visual checks alone. Here’s how to test for it using mold test kits you can order or pick up at the store.

• SURFACE MOLD TESTING KITS

  • Surface mold test kits ask you to scrape samples of the mold into small vials or onto a slide. The kit will suggest that you test surfaces from various areas where it is most likely to be. See the list above if you’re not sure where to start.

• AIR QUALITY TESTING KITS

  • Air quality kits test for air contaminants and, in your case, specifically for mold spores. You will take air samples in vials from various rooms in your house to find out if there are high concentrations of mold spores. This can reveal large, dangerous mold colonies that are hidden from view.

• SEND IT TO THE LAB

  • With either type of kit, you will send your results to a local lab (for an additional processing fee). They will test your samples and send back a report of the results. Likely, there will always be some mold, but concentration matters. Its type matters only if it is one of the more dangerous types like the deadly Black Mold.

• HIRE A PROFESSIONAL MOLD TESTING TEAM

  • If you are not sure about DIY testing or want a second opinion, you can also bring in a pro team to hunt for it, test surfaces, and/or take air samples to confirm that your home is or is not at risk. They will also offer a more insightful and contextual report on what you should do next.

WHAT TO DO IF THERE IS MOLD IN YOUR HOUSE

If a significant amount of mold is found in your house – or compromising an important structural element – you should seek immediate mold remediation. This process involves cleaning away mold, fixing its stains, and possibly rebuilding parts of your home that have been damaged by it. Fortunately, when mold remediation is done, you will have a beautiful, clean home and can say goodbye to the myriad symptoms your family had experienced.

Here at Lightning Restoration, we know how dangerous mold can be to your home and your family. Contact us today if you suspect or have found mold in your home to consult on your mold remediation needs and options.