Biggest Mold Inspection & Remediation Mistakes to Avoid

By Dave and Jim Schuelke

Mold  in  a residential or commercial building will not just cause unsightly  stains and unpleasant odors, it can also make people sick,  especially  if  they  have  asthma  or  allergies. Often, mold damage  is  expensive to fix if the inspection & remediation are not  done  correctly  or  when  the  mold  continues  to  grow in hidden areas.

But, did you know that mold also affects the value of your property?

When  it  comes  to  a  mold-infested  home  or  commercial   space,  real  estate agents or prospective buyers would expect a price reduction  to  cover  the  cost  of  professional  mold  remediation.  Prospective  buyers may even want the seller to bear the cost of hiring  an  independent appraiser for a professional evaluation of the property. At times, a severe mold infestation can even make it difficult  to  get  the  right  property  insurance.  Therefore,  when  you  first suspect a mold problem, be sure to hire a licensed mold inspector  in  your area instead of trying to overcome it with over-the-counter products. Mold remediation – which typically involves hidden  leak detection,  moisture  removal,  mold  removal,  cleanup,  and  decontamination – always begins with a thorough on-site inspection.  Many  people  with existing mold infestations in their homes or commercial facilities make some common mistakes that eventually affect their properties’ value.

Here in this post, we will discuss the five biggest mold inspection and remediation mistakes that you should avoid:

Mistake #1: Ignoring The Root Cause of Your Mold Issue

Experienced  plumbers,  mold  inspectors, or mold remediation contractors   will   probably   never   ignore   the  importance  of identifying   the  source  of  moisture  –  which  eventually  helps create   an  ideal  environment  for  mold  growth  indoors.  But, when  people  rely  on  DIY   methods   for   mold   inspection  & remediation,   they   often   ignore   the  r oot  cause  of  a  mold problem. They merely get rid of visible mold colonies, only to be disappointed  later  when  they  find  mold  growing  back  again under the sinks, behind the appliances, and other such hidden places. 


From  a  leaking  roof  and  air-conditioning system to leaking pipes in homes, a build-up of condensation, poor ventilation, a damp basement, dampness in the foundations, and persistent humidity in the indoor air – the mold growth can be caused by a variety of seemingly unrelated factors. For permanent mold remediation, the moisture source must be identified and adequately treated by experienced professionals.

Mistake #2: Painting Over Mold

You  may  have  come  across  ‘mold-resistant’  paints  at local hardware stores. Some homeowners tend to think that applying such paints over moldy surfaces such as walls, wooden frames, etc., would help them quickly get rid of mold.

But, it’s only a temporary solution.

Down the road, the mold can continue growing underneath the coat of paint. Sooner or later, the mold will make itself visible again. Even  if  there  are  no  visible  signs,  such  as  the  ‘mold resistant’  paint  peeling  off  a  surface,  an air-quality test by a prospective homebuyer can still detect the mold spores in the indoor air.

Mold-resistant paints can prohibit mold growth only after -  

  • The surface has been treated for the existing mold

  • The moisture issue has been resolved

Mistake #3: Trying To Restore Materials That Must Be Discarded

Mold   remediation   professionals  can  remove  mold  colonies from  non-porous  surfaces  such as metal, porcelain, and glass. But,  mold  can easily penetrate soft, porous materials including drywall, wooden floorboards, upholstery fabrics, attic insulation, carpets,  etc.   If   non-porous  materials  or  items  are  severely damaged    by   mold,   they   should   be   removed   and  safely disposed of in secure plastic bags. 

Mold removal experts can restore most non-porous materials but not all of them. It’s better to remove and replace moldy materials than risk a full-scale mold infestation that can depreciate your property’s value by a significant margin.  

The   mold  can return and require even more expensive restoration and remediation work if you fail to properly remediate the first time.  For   instance,   with   previously  moldy  drywall,  even  when  it  has  been  scrubbed  clean,  a  handful  of  mold  spores   can reproduce into multiple colonies within a few weeks. In case you do not wish to part with a personal, potentially contaminated item, consider hiring personal property restoration professionals.

Mistake #4: Contaminating Other Parts Of The Property

During  mold  removal,  everything from scrubbing a moldy wall to ripping a moldy carpet can send mold spores flying in the indoor air. Airborne mold spores can spread to other parts of your property if the affected area isn’t tightly sealed with plastic sheets.  

When such airborne mold spores land on a moist surface, they can reproduce and contaminate the indoor air yet again.

Mistake #5: Assuming All Mold Growth Is Visible

When   you   spot   mold   growing   in   a   corner  in  your  attic, basement,  or  crawlspace,  you  may  think the mold problem is contained  there.  At times, home inspectors can also miss such things.  

But, tiny mold spores spread quite easily inside a property.

Mold  growth  often  occurs  in  areas  such  as  between  the  walls,  under  the  carpets  and  floorboards, around the sinks, appliances and insulation, in the flower pots, etc. So, it’d help if you remain vigilant about hidden mold. You need to get rid of ‘all’ mold colonies to effectively contain a mold infestation. Anything less would mean that you’re practically allowing the mold to grow.

Author Bio

For the past 30 years, twin brothers Dave and Jim Schuelke have run their company Twin Home Experts. Twin Home Experts is also one of the fastest-growing YouTube channels online for valuable content to both homeowners and plumbers showcasing DIY and frequently asked questions.

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