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Message
Killing mold after a roof leak
Posted on 1/23/20 at 10:32 am
Posted on 1/23/20 at 10:32 am
As some of you know I found termites in what I want to turn into a mancave soon. I have gutted the walls completely and the termites have been treated by Terminix for me so they shouldn't be a problem for much longer.
While gutting the walls, I came across a corner of the structure where the other side of the sheetrock was solid black with mold from a roof leak I didn't know about. The leak has now been repaired but there's some mold on the underside of the roof and I'm sure I spread the spores to the nearby studs while removing the sheetrock.
I have purchased the following Mold killer/control from Lowes and hoping it works. I read that bleach only kills the surface and doesn't soak into wood to kill the spores inside the wood and that this product will work. Does anyone have any experience with it? Will I be okay if I spray the surfaces with this, let it dry, and then start closing the walls back up with insulation and sheetrock?
While gutting the walls, I came across a corner of the structure where the other side of the sheetrock was solid black with mold from a roof leak I didn't know about. The leak has now been repaired but there's some mold on the underside of the roof and I'm sure I spread the spores to the nearby studs while removing the sheetrock.
I have purchased the following Mold killer/control from Lowes and hoping it works. I read that bleach only kills the surface and doesn't soak into wood to kill the spores inside the wood and that this product will work. Does anyone have any experience with it? Will I be okay if I spray the surfaces with this, let it dry, and then start closing the walls back up with insulation and sheetrock?
8
Posted on 1/23/20 at 10:36 am to TDsngumbo
My advice to you is to tear down this garage/shack and start over. 
Posted on 1/23/20 at 10:39 am to MikeBRLA
shite, I've thought about it. I had a structural engineer come look at the damage and he told me the structure is still sound so the termite damage isn't as bad as I thought it was. It looks terrible to me but he told me it's not bad enough to affect the structural integrity of the building and that I can just brace the studs with more studs and be okay. That took a huge weight off my shoulders.
Then I found the damn roof leak
Then I found the damn roof leak
Posted on 1/23/20 at 11:16 am to TDsngumbo
Sporicidin
Posted on 1/23/20 at 11:22 am to TDsngumbo
You need moisture for mold to survive. Plenty of ventilation? We install humidistats to our ventilation fans in the attic to control this.
Dead spores are fine as long as they aren't disturbed. We had it in an attic that isn't used in one of our buildings. The industrial hygienist recommended we install the humidistat and not to do anything until we had a remodeling project. Again, this is an area with very limited room so it isn't used.
Dead spores are fine as long as they aren't disturbed. We had it in an attic that isn't used in one of our buildings. The industrial hygienist recommended we install the humidistat and not to do anything until we had a remodeling project. Again, this is an area with very limited room so it isn't used.
Posted on 1/23/20 at 12:35 pm to TDsngumbo
Get a tyvek suit and respirator and remove all the mold you can. Do not do this part without appropriate equipment! Also bag and dispose of this material (including your tyvek suit) in the appropriate manner by calling your local municipal trash/disposal office...don't just put in your normal trash can as you could expose your family.
After physical removal spray down impacted area with a strong bleach/water solution (1st time you do this put on your respirator and protective suit again). After applying 1st "coat" of bleach put a heater in the room along with a fan of some type to aide drying. Repeat with bleach solution a few more times over several days.
After physical removal spray down impacted area with a strong bleach/water solution (1st time you do this put on your respirator and protective suit again). After applying 1st "coat" of bleach put a heater in the room along with a fan of some type to aide drying. Repeat with bleach solution a few more times over several days.
Posted on 1/23/20 at 1:11 pm to TDsngumbo
Unpainted sheetrock?
The recommendation is to remove the sheetrock. You will never get rid of the mold.
Personal experience, bleach, mold rid, dry that shite out. It will always he stained and you will run the risk of it returning.
The recommendation is to remove the sheetrock. You will never get rid of the mold.
Personal experience, bleach, mold rid, dry that shite out. It will always he stained and you will run the risk of it returning.
Posted on 1/23/20 at 1:31 pm to fightin tigers
The sheetrock is removed and the walls are bare. But there is a bit of mold on the top plate and at the underside of the roof. I'm sure the surrounding areas probably have some mold spores on them as well. Just wondering how to properly kill it before re-insulating and closing the walls again.
Posted on 1/23/20 at 3:41 pm to TDsngumbo
The Concrobium will work fine on wood or sheetrock.
Posted on 1/23/20 at 3:56 pm to TDsngumbo
Read / heard good things on this product: Bora care with mold care so used it on every exposed stud here during our remodel post-Michael.
Posted on 1/25/20 at 8:21 am to TDsngumbo
Mike Holmes endorses this product.
After the flood I did a lot of research on mold because my wife was freaking out. Saw this product and that it was endorsed by Mike. I watched a lot of his shows over the years and he is crazy when it comes to mold.
I used this exclusively in my house after the flood.
Come to think of it, I changed insurance companies a couple years ago and since I did all repairs myself I had to show them my receipts for what I used for mold remediation. The inspector had no problem with it or the application I used.
After the flood I did a lot of research on mold because my wife was freaking out. Saw this product and that it was endorsed by Mike. I watched a lot of his shows over the years and he is crazy when it comes to mold.
I used this exclusively in my house after the flood.
Come to think of it, I changed insurance companies a couple years ago and since I did all repairs myself I had to show them my receipts for what I used for mold remediation. The inspector had no problem with it or the application I used.
Posted on 1/25/20 at 8:08 pm to 2 Jugs
Awesome! I sprayed it down this morning and am waiting for it to dry. Hopefully it works as advertised.
Posted on 1/26/20 at 7:13 am to TDsngumbo
you did the right thing, mold dies without water. That’s the end of the story it’s that simple. You spray with bleach to double down as insurance, but if the water is gone the mold is gone it’s that simple
Posted on 1/26/20 at 12:35 pm to Old Sarge
quote:
you did the right thing, mold dies without water.
Good thing our air doesn't have shite tons of it in it.
Posted on 1/26/20 at 1:14 pm to MoarKilometers
quote:
Wood exposed to air with a RH of about 90% will reach a Wood Moisture Content of about 20%. Above 90% RH or 20% WMC, mold can grow on the wood. Decay fungi need liquid water to grow. Once wood is dried below about 28% WMC, water is not available to support decay, unless the wood is exposed to liquid water.
Our humid southern air is not sufficient for mold to grow and survive without an additional water source
Posted on 1/26/20 at 3:20 pm to Old Sarge
quote:
Our humid southern air is not sufficient for mold to grow and survive without an additional water source
Sure, if it never tops 90% rh. Unfortunately it does... and it's not rare. Happens almost every morning, for months in a row. Do you even dew point?
Posted on 1/26/20 at 4:02 pm to MoarKilometers
If that impacts mold growth within the walls of your home then you have a construction problem not a mold problem
Posted on 1/26/20 at 10:19 pm to Old Sarge
quote:
If that impacts mold growth within the walls of your home then you have a construction problem not a mold problem
Sarge, I've done residential remodeling for over 20 years baw. On top of being a GC, my old man also had a roofing license. It's like you've never seen a house with gable vents that pull in outside air constantly. It's ok you don't know wtf you're talking about, but don't act like that extends to everyone. I've encountered mold in countless areas that makes literally no sense, far away from any area it would directly contact water, with 0 signs of moisture above it.
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