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Old 07-20-2014, 08:03 AM   #1
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Too Good to be true? (Mold Killing Primer)


I probably should ask this question over on the professional forum, but, I figured it had already been asked. I'm sure this is targeted at the DIY market, but, if it works, well, talk about simplifying things:
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Old 07-20-2014, 08:28 AM   #2
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Too Good to be true? (Mold Killing Primer)


Not getting the reason for using it.
Mold should be killed before applying primer or paint.
If there's mold in, on top of or behind the wall these need to be addressed long before any paintings done.
I can see a bathroom paint with a mildicide in it to help keep mold from forming on the surface.
If there's proper venting there should not be any mold.

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Old 07-20-2014, 09:01 AM   #3
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Too Good to be true? (Mold Killing Primer)


Good question........

I don't know.... but interested in it also...

Seems to me that Joe is right.... but I can't see any reason not to additionally use it... assuming it's hide and adheasion qualitys are equal to other alternatives.

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Old 07-20-2014, 09:15 AM   #4
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Too Good to be true? (Mold Killing Primer)


Its not too hard for me to believe it could work. Any of us that have added M1 to paint over the years, know how wicked mildewcide additives are already. Perhaps they have come up with a better one. At least they didn't call it 'Primer & bleach in one'

Looking at it a little closer, its recommended for use on non-porous interior and exterior surfaces and use is excluded on floors, or areas that are below grade. Pretty typical except for the non-porous part. Perhaps that means it would not work on something like a drop ceiling tile where the mold has worked its way inside the surface.

There Is also an exclusion for heavily molded areas where surface mold might interfere with adhesion.

I could see it being useful for lightly mildewed surfaces in areas where using a mildewcide cleaner would not be practical. Like maybe an occupied house where the tenants are especially sensitive to chemical odor, or for commercial applications such as schools.

http://www.rustoleum.com/~/media/Dig...mer%20TDS.ashx
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Old 07-20-2014, 10:01 AM   #5
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Too Good to be true? (Mold Killing Primer)


Quote:
Originally Posted by joecaption View Post
Not getting the reason for using it.
Mold should be killed before applying primer or paint.
If there's mold in, on top of or behind the wall these need to be addressed long before any paintings done.
I can see a bathroom paint with a mildicide in it to help keep mold from forming on the surface.
If there's proper venting there should not be any mold.
I agree with most of that, except that mold should be killed before applying primer because normally primer doesn't kill it. If a new product does, then it saves that step.

But like I said, I normally say address the conditions for mold growth before addressing the mold itself.

My main concern aside from actually killing the mold is that the mold is still there - i.e. you have adhesion issues with the dead mold the same as you would with any impurity on the surface. Anything, mold included, I think would need to be cleaned (as opposed to just killed) for proper paint adhesion. If there was some dirt on the walls, you'd clean that off before painting, right?
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Old 07-20-2014, 10:03 AM   #6
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Too Good to be true? (Mold Killing Primer)


Quote:
Originally Posted by Jmayspaint View Post
There Is also an exclusion for heavily molded areas where surface mold might interfere with adhesion.
Guess I should have read this first

Quote:
Originally Posted by Jmayspaint View Post
I could see it being useful for lightly mildewed surfaces in areas where using a mildewcide cleaner would not be practical. Like maybe an occupied house where the tenants are especially sensitive to chemical odor, or for commercial applications such as schools.
There are other options beside bleach, such as Concrobium, etc.
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Old 07-20-2014, 04:07 PM   #7
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Too Good to be true? (Mold Killing Primer)


I can't get the link to post but beach will kill mold only on NON porous surfaces on porous surfaces it does not kill the mold root. So anything that can cause regrowth it will come back sometimes even stronger than before.

Drywall is a porous surface so to bleach will kill the surface mold. Then you rewet it with say latex primer then latex paint. You now have a mold buffet moisture and food (the drywall paper).

So to wipe with the bleach then use this primer sounds good to me.
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Old 07-20-2014, 04:59 PM   #8
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I bet it really stinks( as in smells)
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Old 07-23-2014, 05:14 PM   #9
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Too Good to be true? (Mold Killing Primer)


Mold inside the wood will be impossible to kill. Maybe it is to prevent mold?

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