Hot Environmental Topics

Buying a house with mold.

Oct 19, 2023 1:47:00 PM / by David C Sulock posted in mold, mold remediation, mold cleanup, mold assessments, mold expert

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Are you buying a house with mold? Is mold harmful? Should I be concerned about mold?

Mold is ubiquitous in our environment, but not all homes have mold and visible mold growth is a sign that something went wrong.

mold testing

Mold can have an adverse health effect on people. Mold affects different people differently. Clearly if you are not allergic to peanuts or dairy products, consumption of these food items (within reason) will not cause you harm.  The problem with mold is people are subjected to it unknowingly after they move into a new residence and after days, weeks or months health concerns arise.   

Should you have a mold inspection prior to a home purchase?   Yes, if you want to ensure the home doesn't have mold, years you should have a mold inspection.

 

 

 

IMG_1003

Mold can be harmful in a variety of ways.  Inhaling mold spores creates a reaction, which is your body finding that it doesn’t like the mold and your body fights the spore.

 

Mold air testing

 

 

 

Think about how pollen can create a reaction in susceptible people. Now certain molds can produce mycotoxins and microbial volatile organic compounds which can affect humans. These are created by mold growing, you are inhaling these compounds when you smell the musty odor associated with mold.

Understand mold digests organic material, a great example is how mold breaks down your compost pile outside. So mold in a building will consume organic material, such as paper, sheetrock, cellulose, wood, and other items. As these materials are consumed, compounds are made (think stomach acids) by the consumption of the material as well as the building materials breaking down into other compounds. Paint is paint, right? Or is paint a number of compounds that are the ingredients of paint? The paint is present on a sheetrock wall, when this wall has mold growth, mold breaks down the paper and the paint causing off-gassing. A person can be allergic to the compounds that mold creates when consuming your home. Now mold is really resilient and will grow when conditions permit the mold to grow and will go dormant when the conditions are not conducive for mold growth. So, if you add water and warmth to a room, mold can grow. Take away the water and put temperatures below 50 degrees and mold goes dormant, waiting to grow another day. If you intermittently smell a musty odor, it mold gets wet and grows. The smell goes away when the water goes away. This situation means you have a water leak that is intermittent.

Mold inspections can test for hidden mold and molds that are not actively growing. An abundance of invisible airborne mold spores can be a health hazard to humans when inhaled.

Is mold everywhere? Yes pretty much anywhere on earth mold is present, that said we have completed thousands of mold inspections, and not all inspections find mold. So if someone tells you every home has mold, well, it may be accurate, but it depends on what level of mold growth and airborne spores are present.

When Mold is present it points to an issue, could be a water issue, moisture, leak and much more. Want to speak to a mold expert?  

856-858-9509

 

Learn the Facts about Mold

 

 

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Mold Disclosure New Jersey

May 23, 2022 9:28:00 AM / by David C Sulock posted in mold, mold remediation, mold cleanup, Mold Testing, mold expert

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New Jersey allows sellers of real estate properties to complete a Property Condition Disclosure Statement.  The property disclosure statement relative to mold references he following. 

NJ Seller’s Property Condition Disclosure Statement
(N.J.S.A. 56:8-19.1) A. 2685 

Yes    No         
[ ]      [ ]               9)        Are you aware of any water leakage, accumulation or 
                                       dampness within the basement or crawl spaces or any 
                                       other areas within any of the structures on the property? 

[ ]      [ ]               9a)      Are you aware of the presence of any mold or similar 
                                         natural substance within the basement or crawl spaces 
                                         or any other areas within any of the structures on the 
                                          property? 

As revised, N.J.S.A. 56:8-19.1 newly requires that if a filled-in property condition disclosure statement indicates the seller’s awareness of water leakage, accumulation or dampness, the presence of mold or other similar natural substance, or repairs or other attempts to control any water or dampness problem on the real property, the involved real estate broker, broker-salesperson, or salesperson is required to provide the buyer with a physical copy of the Department of Health’s "Mold Guidelines for New Jersey Residents" pamphlet. 

Mold Disclosure & Consumer Fraud

New Jersey consumer fraud law bans the "concealment, suppression, or omission of any material fact with intent that others rely upon such concealment, suppression or omission, in connection with the sale or advertisement of any … real estate." N.J.S.A. 56:8-2. 

The administrative rules of the Real Estate Commission provide that real estate licensees must disclose all information “material to the physical condition of any property which they know or which a reasonable effort to ascertain such information would have revealed to their client or principal and when appropriate to any other party to a transaction.” N.J.A.C. 11:5-6.4.  The concern raised by this requirement is that a real estate broker or agent might be called on to answer to a defrauded buyer for passing along bad information originating with the seller. 

  1. Mold disclosure in a typical real estate transaction
  2. Seller answers no regarding water or mold
  3. Home goes under contract
  4. Buyer does due diligence including a mold inspection.
  5. Mold is found and a repair request presented to the seller
  6. Maybe because of mold, maybe another issue but the transaction falls apart and the property is an active listing.

The seller now has to disclose the mold even if it was not disclosed previously. If it is disclosed, the Realtor would need to provide the buyer with the mold guidelines.

Mold growth is due to a water issue, mold will grow back if the water issue is not fixed. After disclosure of mold growth by seller, ask how the water issue was fixed and for some paperwork. Regarding the mold remediation, ask the seller for paperwork from the mold remediation company. The company should provide information on the remediation was performed and warranties on the products used during remediation.

Disclosure of mold by the Seller should not make your run from the property, if you have the proper paperwork backing up that it was remediated and the water issue was fixed, it shouldn't be an issue in the future.

 

Mold Collage-2

 

 

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MOLD...the four letter word in real estate transactions.

Nov 15, 2021 1:00:00 PM / by Tiffany Byrne posted in mold, mold remediation, mold cleanup, mold contractor, mold assessments, Mold, Mold growth, mold remediation

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Mold is the new four-letter word of real estate transactions. If either mold is visually found or testing is done (airborne mold spores and/or surface sampling), the transaction has a high percentage that it may not happen. There are many stories of real estate transactions with mold growth, but this one is very interesting.

The story goes that a buyer was interested in a home and during the home inspection, the home inspector took an air sample in the basement and the outside (exterior) for comparison.  There was no photo or knowledge of where the air sample was acquired from, for example the photo below documents where the air sampling was acquired (ex. kitchen).

Air sampling

Back to the story - The buyers wanted the entire basement remediated down to the studs.  The seller contacted Curren Environmental and  we provided sampling as well.  Our sampling showed mold was present in the basement bedroom. 

Sample results before and after

What does this lab data mean?

 The Stachybotrys as shown above in the sample results prior to remediation , should not have a raw count above one, and it was at 43.  Penicillium/Aspergillus was also very high, with the spr/m3 at 23,467 where it is recommended that should not be above 1000.  The second set of numbers are after remediation where the airborne mold spores dropped dramatically and were within industry standards.  Note - no home will be mold free. 

As part of the story, you need to know that this property was vacant for over 2 years. The heat and air were on as part of maintenance but not properly dehumidified. Mold growth occurs where there is moisture and organic materials. In this case, there was visual signs of mold growth on some furniture in the basement bedroom, but not in the basement living space and  small visual signs on the sheetrock wall in the basement bedroom.  There was no need to remediation and remove the entire basement back to the studs. 

What happened next?

When the humidity is high and the property is not well ventilated, mold growth will occur. These spores can become airborne and move throughout the home. This home had a lot of carpet which holds mold spores. Curren Environmental provided Mold Remediation at this property.

  • Carpet was removed and tack strips were removed.
  • All organic furniture that could not be wiped down was disposed.
  • Removed mold impacted sheetrock, 18 inches past mold growth in basement bedroom. 
  • HEPA vacuum walls and floors in the entire basement
  • A broad spectrum, FDA approved, fungicide was applied to the walls and the flooring in the rooms.
  • Air scrubbers were on during remediation and left at the property for at least 72 hours.

As the story goes, post air testing showed elevated spore levels dropped dramatically at the property. Please see below. For this story, only the sheetrock area that had mold growth was removed and the carpet, no other sheetrock was removed.  

 

Mold the four letter word

The ending, a happy buyer, a happy seller and clean home. Not every property that has elevated mold spores needs to have everything torn down and removed. A mold remediation professional will look at the data, photos provided and any other detailed information prior to handing over a cost. It is very important to understand that mold is everywhere and there are no “Mold Free” properties.

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What is the driver for Mold Remediation?

Jan 25, 2021 11:30:00 AM / by David C Sulock posted in mold, mold consultant, Mold, Mold growth, mold remediation

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aka How Did Covid-19 affect Mold Remediation?

About 45 days into the Covid-19 situation, we saw an uptick in mold remediation at residential properties.  In short,  Covid-19 drove mold remediation up by 27% from 2019. How did Covid-19 drive mold remediation?

    Mold growth attic Mold Remediation Attic

Typically, home inspections (home inspector) for the sale of a property discover possible mold growth and the buyer requires that the mold be addressed. Mold is not a selling feature and it's typically not promoted on the home listing information.  

Mold Growth Sell Sheet

 

Buyers finding mold in a home is your typical mold remediation driver.

Because of Covid-19 we found there were also many homeowners performing their own home inspections prior to putting their property on the market to sell. Sellers want to know what would be some of the problems in their homes to proactively make repairs. This ensures a smoother, quicker real estate transaction. What are the top repairs? During our work, we saw a lot of plumbers, and electricians doing work.   So some homeowners found mold on their own and wanted it addressed prior to listing the home.  We had quite a few remediate mold and never sell their home as they found searching for a new home too much of an ordeal.

So Covid-19 Made People More Aware of Mold?

Covid-19 put people on lockdown, on work from home, exercise from home, cook from home, people were just home more because of Covid-19.  Being home more made people aware of their homes.  Musty odors were more noticeable, discolored wood that you didn’t think twice about but would totally pass over at the lumber yard made people think about the possibility of mold being present in their homes.    Before the Peloton bike was put in the basement,  the white powder on the ceiling made  sense. 

        Mold on basement ceiling       Musty odor is active mold growth

Working in the home office in the basement, made you smells things you didn't smell before.    Is that musty smell active mold growth?  (YES). 

How about moving those boxes out of the basement to the attic so we finish the basement.  Hey what is that dark staining in the attic?   (mold)

The basement that would get wet occasionally was now a concern.  We removed a lot of sheetrock in basements during Covid. 

 

                 Mold Remediation Basement    Mold Remediation Basement

Read more at Curren's Mold Frequently Asked Questions.

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Mold Inspection & Testing. What to know before you have work performed.

Dec 17, 2020 11:45:00 AM / by David C Sulock posted in mold, professional mold remediation

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Mold Inspection & Testing. What to know before you have work performed.

When purchasing a property, for due diligence a home inspection is meant to uncover defects or areas in need of repair, a mold inspection however, is performed to evaluate for mold, either the  entire dwelling or an area of concern such as a basements, crawl spaces, attics, living rooms, etc.

Everyone thinks that they are a mold expert and, in truth, few people know tons about mold. Since most states don’t have licensing for mold inspections, it is simple for someone to proclaim themselves as an expert and do mold related work such as testing and remediations.

Some of these so called "proclaimed mold experts" provide mold testing  and once the testing is complete the samples are sent or delivered to a laboratory. The laboratory tests the sample for mold spore types and provides multiple pages of the test results with filler material consisting of an explanation of different types of mold. The lab may also use colors to point out mold levels that the lab (not the mold expert) are saying are of concern.   This lab data is typically the complete report that the "mold expert" provides. 

Example sampling

Example of a Mold Report. No analyzation.

We see this on 90% of the mold reports we are provided to peer review or to provide an estimate for remediation.  The problem is the mold expert provides no narrative of what they saw, why they tested, condition of the room, photos of the area or of the area sampled and lastly and really most important what the test results mean.    

The by product of a these type of mold inspections gives you a very vague document, which many "mold experts" have told me they do on purpose.   These people don’t want to give a lot of detail and then be held responsible if its incorrect. In all actuality, you pay for a professional opinion, but do not get one.

You get what you pay for and the quality of work is directly related to the skill set of the inspector, which we have found  can have varying degrees of quality.

Lets be clear, you want a mold inspection because?

Clear project objectives are important from the start of any investigation.

Where a home inspection is meant to uncover defects or areas in need of repair, a mold inspection is performed to evaluate for mold, either an entire dwelling or a specific location.

When evaluating for mold be it visual, or by laboratory analysis, explanation of observations (what was found), if mold was visually detected (why was mold present?) and when testing is performed what would be an acceptable or unacceptable results?

Surface Sampling

Example of Photographing sampling area. 

Case in point when you have a discolored area say on a wall and/or ceiling, that you suspect is mold you can test the area to confirm if it is or is not mold.    Surface sampling is performed by either "tape" sampling  or taking a "swab" of the area. This sample goes to a lab where they look at it under a high powered microscope to see if mold spores are present. This is typically a pass fail test, either you Got Mold or you don’t.   

But you also need to know the following:

  • Why is mold growing?
  • Was the cause of the mold growth fixed or is it still active?
  • What will it take to remediate the mold?  
     
    You won’t have successful mold remediation without questions 1 & 2 being answered.

Air Sampling or Spore Trap Sampling

Air sampling is how you can find mold that is not visible (behind a wall) and it can also tell you if mold found in a basement or other areas is affecting air quality on the first floor.  

When air sampling is performed, it is a sound practice, as a mold inspector, to photo document and provide a narrative description of sampling activities.   The reason the results can be biased depends on sample collection technique, height, location, room conditions, etc.   Results can also be amplified based on room contents. An empty dwelling can have a different reading than one that is occupied with possessions.

Imagine a freshly painted room with new carpets have an elevated air mold spore count. The conclusion likely to be drawn from this is that there is hidden mold, likely behind an outside wall or other area where water events may have occurred.  The painting of the room may have been performed to cover mold damage to the room.

In both air and tape mold samples certain “marker” species of mold can indicate interior water damage (as opposed to an outdoor mold) and subsequent microbial amplification.

Call Curren Today

What causes Mold?

Mold is only going to grow in the presence of moisture in a built environment. Any assessment when mold is noted or suspected, needs to determine the source of the water and often times there is more than one source.

Photo Nov 04, 11 38 20 AM-jpg

Water intrusion due to faulty downspouts and landscape grading. 

When should you remediate mold?

Initially any visible mold growth is a driver for remediation, in this case only water staining was noted, no visual mold growth. The EPA agrees that testing is not required when visual presence is noted.

 What is the minimum you want from a mold inspection?

It is critical in any mold inspection to document the condition of the room and reference the contents. This is important because items in a room can affect test results.

When mold is found, the likely cause should be identified.

If the whole room has mold it should stated, if mold is limited to day the lower section of a well, well that needs to be stated. All to often we read a report that says mold was found in the basement.   Our question is where and why?

 

Without regulatory reference values for mold concentrations (no federal guidelines), it is generally accepted that the following conditions should be satisfied:

  1. No hydrophilic mycotoxin producing fungi should be present above the detection limit of one spore (such as Stachybotrys or Chaetomium),
  2. The water-damage indicator mold species (such as Penicillium/Aspergillus) concentrations should not exceed 1000 structures per cubic meter unless room contents (possession) could cause amplification.
  3. If outdoor or background air sampling is performed, you typically want indoor samples to have lower levels than outside and similar types.   Outdoor spore count can vary greatly though out the year.   Comparison of indoor to outdoor mold levels, that each type of mold in the indoor sampling should typically be less than the same type of mold on the outdoor sample (if applicable – 10% differential).

Mold questions?  Learn more about mold frequently asked questions. 

 

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Expert Mold Advice

Aug 11, 2020 9:30:00 AM / by David C Sulock posted in mold, mold remediation, mold consultant, professional mold remediation, mold professional, mold expert

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Expert mold advice, that is what you would want if you had a mold question - right?  Everybody wants the best available advice, but is it possible to get expert mold advice?   Finding a true mold professional is like finding a needle in a haystack.    It’s hard and rarely accomplished.  You can blame lack of government regulations as a source of the scarcity of mold professionals.  You see New Jersey, Pennsylvania and Delaware have zero mold regulations, so every "Chuck in a Truck" can say they know mold.

Call for Mold Questions.

On a fairly consistent basis (almost daily to be fair) we get calls from people all over the country  that have questions about mold, or need us to interpret mold testing that a professional they hired cannot explain.   Fact, if you hire a professional, they should be able to provide professional advice in writing and be able to understand test results.   If your expert has a Gmail account, works out of their home or says they are licensed, I would say these are three common threads we find from people who have complaints with a mold company. 

expert mold advice

 

No mold regulations, means no licensing, no required competency or required training and testing, so what is stopping someone from changing careers,  say from selling cell phones to doing mold consulting.   True story I met someone with just that background at an event down the shore, suffice to say what they knew about mold was very little.  Or should I say, what they knew about mold was mostly inaccurate. Did you know the salt air and the pressure treated wood that are prevalent in coastal areas inhibits mold growth?  Well, either did he and he told me not to tell people that its bad for business, he said fear of mold sells.   Sorry, I can't make this stuff up.   

As an environmental consultant that consults on mold, you need to inform clients and provide recommendations on risk and courses of action.   You do not sell fear.   Mold is harmful to human health, that is established, I have had people not be able to inhabit a home, or office where mold growth was present.  I also have people who live in an environment where mold is present and levels in the air are in concentrations where I know health issues were triggered in other people, although the current occupants had no apparent ill health effects from the mold.   This is actually not uncommon as we all have our sensitivities to gluten, lactose and mold, so what might be harmful to one person may not be to another.  That is not to say mold is a selling feature of a property, it certainly is not but mold has to be looked at objectively.   

How to pick a mold company?

  1. Look for a company that at least 10 years of experience, 20 is better.
  2. Google their address, make sure they work out of an office, not a home.
  3. Check the ago of their web site address:  https://www.iplocation.net/domain-age     The longer a domain has been in operation, means the longer the company has been operating.   
  4. Ensure everything provided to you is in writing, meaning scope of work, what they will do, how they will test and what the test results will mean.  Look we all know an A grade is better than a C, and an F is the worst, well translate that into mold test results. 

At Curren Environmental we have built a base of knowledge on mold consulting and mold remediation over a 20 year period.   We meet all criteria listed above.

 

Mold expert

 

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Bank Owned Homes & Mold

Jun 19, 2020 8:45:00 AM / by david sulock posted in mold, mold remediation, mold cleanup, mold contractor, Mold Testing, mold inspections, mold survey, mold assessments, mold consultant

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The recession of 2008 can still be felt today in the form of foreclosed properties that have been flipped.    These flipped homes look nothing like the home when it was bank owned.   Flipped homes certainly hold appeal for homeowners who want move in conditions homes.  The photo below shows a house that went through renovations.

flipped home-1

This is a photo of the same home same area pre renovation.   Note the mold on the wood furniture on the left hand side of the photo.

mold in home before flip (002)

Bank owned houses due to no occupancy, have wildly ranging temperatures and humidity fluctuations.  In short, the house gets hot and humid in warmer months, which allows mold to grow.  We have done homes where we come across mold on walls, trim, furniture, attics, basements and crawl spaces due to the house not being heated and cooled.  These homes also may be like this for years.  This certainly makes for homes that are in desperate need of rehabilitation, the question you have to ask is was the mold addressed?

Almost certainly mold in attics and crawl spaces are typically not addressed as these are not areas where the flipper will get bang for their buck or even look for repairs.

Basements typically get partially redone because it creates a living space that was not present before.  The problem is mold that has grown during the foreclosure process gets covered over by clean sheetrock, concealing the mold.  We have seen cracks in foundation walls covered by fresh sheetrock.

Basement mold

 

Basements in bank owned homes typically will have some levels of mold growth.  Again, when these homes are not occupied, there is a high possibility of mold growth.  

Why Mold Test a Flipped Home?

Many house flippers tend to look over the mold growth in basements, one because they are not aware it is mold growth and two, they are unaware of any water issues.  It is Curren's recommendation to always do  Mold Testing in basements of those homes that are being flipped, especially if they were once not occupied and a Foreclosure, sheriff sale, tax sale or bank sale property. There are times when basements are finished or re-finished and the mold growth is covered up, but not specifically remediated.  Meaning, mold will continue to grow and fester in these areas and will not just disappear.  

Attics are yet another area that are not in the realm of a house flipper.  When an house is not occupied for a period of time, humidity and moisture builds up, especially in an area that has no air flow.  Non-occupied homes do  not always have electricity and whole house attic fans, attic fans and humidistat attic fans will not turn on when necessary.  These situations lead to mold growth in attics.

mold can grow in an attic

Curren Environmental suggests Mold Inspections and testing in homes that have not been occupied for a period of time.  Mold growth will occur within 72 hours in the right environment.  Its not to say that home flippers are hiding the mold, they may just be missing that what they see is mold growth.  They are not mold experts.

Questions?

Call Curren Today

or email at info@currenenvironmental.com

 

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Mold Growth. Learn Fact from Fiction.

Dec 20, 2018 11:09:00 AM / by Tiffany Byrne posted in mold

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Fact: Mold needs water to grow.

“There is always some mold everywhere – in the air and on many surfaces. Molds have been on the Earth for millions of years. Mold grows where there is moisture”

From CDC (Center for Disease Control)

When you see mold, it indicates water issues - water is the fuel that propels mold growth.

Fiction: The leak just went away.

No, the leak didn’t just “go away” it was diverted and is leaking into a different part of your home. The leak could also happen when certain conditions are met, such as rain from a Northeastern direction or when your guests are using the spare bathroom. Take care of any leak be it  roof, bathroom or basement right away before it can turn into mold growth.

Promptly fixing leaky roofs, windows, and pipes will save you from mold. Mold growth can begin to occur 48 to 72 hours after water/moisture appears on organic surfaces.

Fact: Mold comes in many different colors, green, yellow, black, white…etc. 

Mold Color Collage

Fiction: Black mold is the bad toxic mold.

Black toxic mold is a myth. There is a mold of color that is black but there is no such mold as the “black toxic mold”. There are thousands of mold spores that have different colors and have different health effects. Find out more at Types of Mold. 

 

Humidity caused mold

Fact: Mold growth can occur due to excess humidity.

When your home does not have the proper (habitable) humidity and temperature inside, mold growth can occur, without any water leaks. American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHREA), recommends 30 to 60% RH (Relative Humidity) indoors. (Read more here).

 

 

Fiction: Houses do not need gutters.

House needs gutters

When you don’t have any gutters, rain water falls directly adjacent to the dwelling foundation. This water can cause damage to foundation and find a pathway into your home. In the image, no gutters were installed and water drained into  the crawl space, causing mold growth. The HVAC system was located in the crawl space, where airborne mold spores were brought into the HVAC from the crawl space and distributed throughout the entire house. This caused a musty smell, and after air sampling, showed high levels of mold spores.

Fact: Exposure to damp and mold environments may cause health effects.

Many government organizations (EPA, CDC, Health Canada) agree that water damaged building materials can have adverse health effects to humans exposed to these materials. Who is most likely to be affected by mold depends on the sensitivity of those exposed. People with allergies may have more severe reactions to mold. Those that are immune compromised, have chronic lung illness, infants and young children or the elderly are also more likely to have an allergic reaction to mold growth.

Fiction: Any exposure to mold will cause health effects.

Again – mold is everywhere. It is inside and outside and everyone has different reactions to different types of mold spores. The specific type of reaction a person will have to mold depends on that person.

More Facts:

Fact: Subterranean spaces need dehumidifiers.

 Dehumidifier

True. Managing relative humidity is key to preventing mold growth. The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHREA), recommends 30 to 60% RH (Relative Humidity). Subterranean spaces such as basements and crawl spaces by nature have higher relative humidity, which can be controlled by utilizing a dehumidifier.

Fact: Mold can be carried into your home by attaching itself to clothing, shoes, bags and pets.

True, old books, magazine and cardboard boxes can harbor mold spores. Pets that go outside and stay in the bushes or lay in the grass bring mold into the home. 

Fact: Mold can grow inside during cold weather.

In the winter, when buildings are heated, mold often grows in cold, uninsulated exterior windows and walls, including uninsulated closets along exterior walls where building surfaces are generally cold relative to the indoor air temperature. These temperature differentials can allow condensation and are associated mold growth.

Fact: Temperature affects mold growth.

Different types of mold have minimum, optimum and maximum temperature ranges for growth. Many fungi grow well at temperatures between 60- and 80-degrees Fahrenheit, which are also ideal temperatures for human comfort. In addition, as mentioned above, temperature gradients often produce the moisture needed for mold growth. The relative temperature will dictate what type molds are more likely to grow in a that given environment.

Questions? Call Curren Environmental at 856-858-9509 or email us now at info@currenenvironmental.com.

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Black Mold? Mold comes in many different colors...not just black.

Apr 24, 2018 3:02:00 PM / by Tiffany Byrne posted in mold, mold remediation, Mold Testing

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Did you know that Mold comes in many different colors? The color doesn't matter, what matters is if it there is mold growth and if you stopped the water filtration. 

At Curren, some of the most common questions are regarding the color of mold. For example:

  • "Is this mold bad because the mold is black or grey?
  • "What type of mold is black mold?"
  • "Is black mold toxic?"

The most popular used term for describing mold is Black Mold. Technically, there is no mold that is named black mold, many sources attribute the term black mold to the media. In reality there are many different types and colors of mold. Some types of Mold can be harmful (regardless if the mold is black) and can cause health issues.

Molds come in many different colors and can mean many different things. As you can see below, mold may be black, grey, orange, green, brown and even white. Many molds may not be harmful. Black mold may be completely innocuous (not harmful or producing no injury) or it could be problematic. Mold can be difficult to determine on your own. The mold you think you see might just be mildew or dirt. Remember, mold is usually not a problem unless mold spores land on something wet  indoors. Mold evaluation and interpretation is best left to the experts. At Curren, we have over 20 years experience testing mold, air testing and mold remediation.

 

Black Mold                                          Green Mold

Mold_in_Basement3-424194-edited                             Green_mold

White & Black Mold                           Brown Mold

IMG_5501-877705-edited                           Brown_mold-968330-edited

Grey Mold

Grey_Mold-078065-edited

Please don't hesitate to call us for your mold testing, mold remediation and mold questions.

1-888-301-1050 

 

 

 

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What is Mold and why is it not black or toxic Mold.

Feb 21, 2018 6:00:00 AM / by David C Sulock posted in mold, mold remediation, mold cleanup

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What is mold and is mold dangerous?   Two common questions regarding mold.  First let’s start with "What is mold?". Mold is ubiquitous in our environment.  There are few places on earth, where molds are not present.  That said, mold (which is also called fungi) is a broad-spectrum term to describe fungi, mushrooms, rusts, mildew, and yeast. As humans, we simply complex things by using the term “mold”. Any mold is a eukaryotic organism, meaning one that has a defined nucleus.  Molds lack flagella and reproduce by means of spores. Spores are released from the mature mold body and spread by air currents on people, animals, and/or materials that travel from place to place. These spores can remain viable for extended periods of time, which, in short, is as long as it takes for a suitable environment to occur which allows the mold to form new colonies.

What is Black Mold? What is toxic Mold.

The next two most common questions. First, black mold is not a mold it is a color, the term was made up by the media. There is no mold that has the scientific name as black mold. The same goes for toxic mold, we think the name toxic mold came from the mold industry to scare people. Again no mold has the scientific name toxic mold.

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Molds are fungi that grow in the form of multicellular filaments called hyphae that spread to form a network or colony called mycelium. When you see visible mold (spotting, staining, discoloration) you are observing a colony of mold. Most all fungi require oxygen to survive and all fungi need an organic food source.   Unlike humans, molds do not ingest their food but rather absorb nutrients by attacking dead organic matter or parasitizing living organisms. In an outdoor environment you can think of molds as nature’s composers as many molds live in the soil and are active in the decomposition of organic matter.

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Molds are not strictly confined to the outside, although that is their primary habitat.  Molds can grow indoors in a built environment (built being man made structure).  Molds can grow anywhere if the following four primary conditions are satisfied:

  1. Mold spores must first be present in the area.
  2. Food source such as wood, drywall, the paper part of insulation, skin cell fragments, cardboard, carpet, paper, etc.
  3. Appropriate temperature – this is a variable as molds can grow dormant when the temperature is out of range for required growth and then when the temperature is within range mold will grow.  (Think grass growing in summer and growing dormant in winter)
  4. Water or Moisture – if mold was a building, water/moisture would be the foundation, without it, you will not have molds growing and it is the one of the four conditions that can be controlled. Bottom line, if you have mold you have a moisture issue. 
  5. Moisture sources in a built environment are most commonly brought on from water and/or sewer leaks, moisture intrusion (rain) through walls and foundations.  In practice, moisture issues that fuel mold growth are associated with humidity or as condensation in HVAC systems. In terms of relative humidity, causing mold growth, is more of an intermittent issue that can occur at certain times of the year.   Damp, wet times of the year being more likely as opposed to winter when temperature may remove humidity.

    Both national and international health agencies agree that molds can cause health issues to varying degrees.   To the extent anyone is affected by molds relate to the types of molds, concentration, exposure duration and genetic factors of the individual.   There is no perfect fit that would say a certain person would be affected and this person would not.
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Mold affects humans through the inhalation of spores, which is how mold reproduces, so you should realize that when you see mold, spores are present and you could be at risk.  Molds also produce mycotoxins which are chemicals that are created during certain parts of the mold life cycle.  Mycotoxins having the word “toxic” in the name underlines them as a concern.  Mycotoxins can evoke a toxic response, for example, allergic reactions, respiratory irritation, the exacerbation of asthma symptoms as well as other respiratory reactions to an irritant.  Mycotoxins have this affect because they have very low volatility, meaning they have relatively low concentrations in the air, so contact or ingestion rather than inhalation is often the main route of exposure for these chemicals.
Since molds digest matter, they will naturally off gas.  The off gassing of mold often referred to as the musty odor is scientifically called MVOCs or microbial volatile organic compounds.  Their olfactory presence signifies actively growing mold. Fortunately for humans MVOC's have a very low odor threshold, thus, making them easily detectable by smell. Exposure to fungal MVOC's has been blamed for headaches, nasal irritation, dizziness, fatigue, and nausea.   So, while someone may refer to an odor as musty it signifies the presence of mold and compounds that are airborne that can have detrimental health effects in humans.
Chronic exposure to large airborne concentrations of fungal spores can induce allergy or hypersensitivity in certain individuals. In some cases, chronic exposure to fungal spores can result in a flu-like debilitating disease known as hypersensitivity pneumonitis.

Mold is confusing and the many unlicensed firms that perform mold work dont help to demystify mold.  At Curren will off a free initial consultation.  Call our office Monday to Friday 8:00am to 5:00pm EST and speak to one of our professionals.  888-301-1050.

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