Black Mold
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Black Mold (by Denise Green [MO]) Jun 13, 2024 1:42 PM
       Black Mold (by NE [PA]) Jun 13, 2024 1:52 PM
       Black Mold (by plenty [MO]) Jun 13, 2024 2:04 PM
       Black Mold (by Robert,OntarioCanada [ON]) Jun 13, 2024 2:34 PM
       Black Mold (by Still Learning [NH]) Jun 13, 2024 3:20 PM
       Black Mold (by Busy [WI]) Jun 13, 2024 3:40 PM
       Black Mold (by Busy [WI]) Jun 13, 2024 3:42 PM
       Black Mold (by plenty [MO]) Jun 13, 2024 4:08 PM
       Black Mold (by zero [IN]) Jun 13, 2024 6:46 PM
       Black Mold (by 6x6 [TN]) Jun 13, 2024 6:59 PM
       Black Mold (by 6x6 [TN]) Jun 13, 2024 7:09 PM
       Black Mold (by BRAD 20,000 [IN]) Jun 13, 2024 9:13 PM
       Black Mold (by Hoosier [IN]) Jun 14, 2024 1:53 AM
       Black Mold (by MikeA [TX]) Jun 14, 2024 9:47 AM
       Black Mold (by Busy [WI]) Jun 14, 2024 4:14 PM
       Black Mold (by Scott [IN]) Jun 14, 2024 5:55 PM
       Black Mold (by zero [IN]) Jun 15, 2024 9:52 AM

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Black Mold (by Denise Green [MO]) Posted on: Jun 13, 2024 1:42 PM

Had a bathroom floor pulled up and black mold was thick. Who is a reputable company to use. I live is south west Missouri and Springfield is the closest large city.

Black Mold (by NE [PA]) Posted on: Jun 13, 2024 1:52 PM

Dry it out a few days and paint it. If you’re, scared, add some mold killer to the paint. If you’re REALLY scared, order some RMR-86 mold killer and spray it. If you’re super-duper the world is going to end scared, hire a company and spend thousands of $$$ for the same results.

Black Mold (by plenty [MO]) Posted on: Jun 13, 2024 2:04 PM

Maybe wise to find out if it's really black mold or are you just using that term as one doesn't really know? We learned at the convention from Mr. LL about how to tell the difference. Was there a water leak? Is someone living in the home?

Black Mold (by Robert,OntarioCanada [ON]) Posted on: Jun 13, 2024 2:34 PM

If use a heat gun and face mask let the mold dry then wipe with vinegar then let dry out. After that use a oil base paint where colour is not important. Next install a Schluter ditra membrane so in future the floor is reasonably water proof where install around the perimeter to keep water from entering walls. Then buy a good quality commercial grade of porcelain tile where large tiles minimize cutting. Rent or buy a wet saw. View videos on You Tube how to install the Schluter ditra membrane where it is not rocket science where use the right thin set. After tile are install then grout. If that is rental recommend installing a exhaust fan with a humidity switch on the wall where automatically removes the humidity. Install a low shower head where discard old shower head so humidity build up is reduced. With rentals have to make it idiot proof. The above is permanent where mold build up is not likely to happen again. In house installed a Schluter ditra membrane then around perimeter so if the dishwasher leaks then will not have mold problem where mold never happen again. In the house installed a Schluter ditra membrane then install commercial grade porcelain tiles along with large porcelain tiles on walls where use a exhaust fan when using shower where no mold problems. A floor in bathroom or kitchen should be water proof where the garbage laminate tiles are not suitable for kitchens or bathrooms. In the apartment buildings while commercial are expensive and labour intensive to install where when a tenant moves out it is easy mopping then dry then rent ASAP. A lit cigarette, sneaked in dog or cat easy to clean then ten years plus that floor is still there. So the cost is paid for. I spend money have to get the money back and then some more as this is a investment. The extreme leftists say rental housing providers rent for profit as this is a business not a charity.

Black Mold (by Still Learning [NH]) Posted on: Jun 13, 2024 3:20 PM

Don’t use your name. Spray concrobium. Replace the subfloor. Google EPA mold cleanup.

Black Mold (by Busy [WI]) Posted on: Jun 13, 2024 3:40 PM

You. You are the reputable company.

Most mold is black. Most mold can be cleaned, sealed, and you are on your way. I bought a house with so many colors of mold, one even in the shape of a beautiful, large starfish. That was bright red.

I wear a good mask, wash all of my clothes three times, (twice with soap, once more no soap, just for a good, thorough rinse, and take a good shower . Same laundry wash for my cleaning rags, except add bleach.

When washing moldy, poopy, boogery, nasty surfaces, I always do ‘no dip-backs’ in my wash water, so I don’t spread mold spores, bacteria, fungi, alien life forms, or hair. ( yuck. The hair grosses me out. Other stuff, meh) So, get three buckets and a zillion rags. Old sweatpants/ sweatshirts make the best cleaning rags. Bucket one: water, soap, bleach add rags. Ring each rag out and put inBucket two. Now you are ready to wash surfaces. Use each rag ONCE toss into Bucket three. Need more rags? Rinse your hands off, start over. That’s No-Dip Back cleaning.

Lots of other good advice in this thread. I had to snort/chuckle at ‘reputable company’. I truly believe most ‘remediation companies to be a scam, so reputable… not so much.

Create a nick name for yerself, rather than use a real name. Welcome! --172.59.xx.x

Black Mold (by Busy [WI]) Posted on: Jun 13, 2024 3:42 PM

Oh, and fix any leaks first!

Black Mold (by plenty [MO]) Posted on: Jun 13, 2024 4:08 PM

Busy. One can purchase cheap clothing at a resale shop and just dispose. No washing of those.

Black Mold (by zero [IN]) Posted on: Jun 13, 2024 6:46 PM

plenty, if in an empty place save the money and just clean it sans clothing.

Window covering advised when I do it. --107.147.xx.xx

Black Mold (by 6x6 [TN]) Posted on: Jun 13, 2024 6:59 PM

You can search back on other post and find some good tips from Hoosier about mold.

Black Mold (by 6x6 [TN]) Posted on: Jun 13, 2024 7:09 PM

This is a response from Hoosier, from the post "Mold Issue Gets Worse" March 11, 2024.


I was a licensed home inspector and did mold testing. I agree with most on getting an attorney and getting the tenant out, but I have been beating the mold drum on this forum forever and wish people would get the message...


Not all molds are harmful to your health. There is no such catgorization as "black mold" is just a color and nothing more. Most molds are either harmless or in the "allergenic" category, which means they would only be noticed by someone with a sensitive allergic system...and even then the affects would be minor such as sneezing and coughing...not hospitalization or death.

I did air quality testing in about 200 homes and EVERY home had some level of mold. As a control, we also tested OUTSIDE the home. The key was whether the mold levels in the house were significantly higher (in per million) than outside. If so, there may be an issue and furhter investigation is warranted.

Thank goodness you have a clause about other areas outside the unit not being included...that's good. Do you also have a mold addendum as part of your lease? I did and I posted the complete contents on this forum once it!

The news media has scared everyone with the "mold" word. We eat blue cheese and mushrooms...both of those foods are grown through a process involving mold. Not all molds are harmful. In my numerous tests of mold genuses, I only found ONE that was a harmful genus...staychybotrys. All the others were not toxic.

Should we as landlords be responsible for the fact that some people have a more sensitive allergic system than others? I think not. Should we provide a clean and safe living environment? Yes we should. Should we take reasonable steps to eliminate any mold? yes we should.

Good luck and keep us posted"

Black Mold (by BRAD 20,000 [IN]) Posted on: Jun 13, 2024 9:13 PM


Good advice so far.

My state Health Dept sates "Many molds are black in appearance but not stachybotrus" (the bad stuff).

Get Concrubium or JoMax, or other mold killers at Home Depot, Lowes, Menards...and soak it.

Scrub clean and let dry for several days. Seal it with oil based Zinsser BIN.

OR replace the subfloor and be done with it.

Not the end of the world. Just every day clean up.


Black Mold (by Hoosier [IN]) Posted on: Jun 14, 2024 1:53 AM

I was a licensed home inspector for 7 years and did many mold tests. The term "black" in terms of mold means nothing other than the color. Most molds are relatively harmless unless you have a sensitive respiratory system. If you are concerned, buy a mold test kit and find out the genus of the mold. This will help determine how dangerous it may be. Most of the tests I did on molds were Cladosporium, Penicillium, or Aspergillis...none of which rise the the level of "oh no, move out right away".

You say it's "thick" that case you can't easily paint over will need remediated. Depending on the type of mold (find out by testing) and your respiratory system, you may be able to clean it yourself...but if it's a large area it's probably easier to let a professional do it.

Once cleaned, seal it with a sealer...Brad mentions "oil-based" Zinsser, but I like the shellac-based NOT use the water-based product.

Keep in mind that if you do not find the ROOT CAUSE of the mold, it will that should be your first priority. Shower leaking? Bath vent fan too small (in terms of SCFM? Bath vent fan not being used? If it's a rental, you may want to install a fan that is wired to the light such that the fan MUST run whenever the light is on. Tenants may not like this, but it may prevent recurrence.

Black Mold (by MikeA [TX]) Posted on: Jun 14, 2024 9:47 AM

Black mold was a thing when insurance companies would pay. The ambulance chasing lawyers made a fortune hyping it up and then the scammers started with the "certified remediation", of which there isn't such a thing. Not so much anymore. First off, insurance companies removed this from the basic policy (you have to get a seperate rider for that now) disincentivizing lawyers, then the EPA and state health departments started publishing the truth about mold (naturally occurring and usually not that bad). Then products like Concrubium came along and were incorporated into most costal state's Hurricane response plans and remediation as outlined above became just another task for the remodeler. So, don't sweat "black mold" just remediate it as outlined above and move on with life.

Black Mold (by Busy [WI]) Posted on: Jun 14, 2024 4:14 PM

Zero, but, then where would I put the tools? I like to keep a pliers for the odd staple I come across. I suppose, tuck it in the nooks and crannies, or under the lowbeams.

Black Mold (by Scott [IN]) Posted on: Jun 14, 2024 5:55 PM

About 10% of people are allergic to mold and might experience a reaction.

I lightly spray the mold with a water/bleach solution then scrub with SOS pads. Wipe that sludge away with paper towels and put them directly into a plastic trash bag. Rinse a couple of times with clean water and dry with more paper towels, which also go into the trash bag. Cinch it up tightly and dispose.

Dry and seal as described above.

Black Mold (by zero [IN]) Posted on: Jun 15, 2024 9:52 AM

Busy, you use your imagination. I will just leave the tools on the floor.

Ha Ha --107.147.xx.xx

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