Actually the mold grows on the sheetrock paper facing (food source), not the gypsum
Eric Hammarberg, Assoc. AIA
Vice President
Thornton Tomasetti
51 Madison Avenue
New York, NY 10010
T 917.661.7800 F 917.661.7801
D 917.661.8160
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-----Original Message-----
From: The listserv where the buildings do the talking [mailto:[log in to unmask]] On Behalf Of Becker, Dan
Sent: Tuesday, January 26, 2010 12:57 PM
To: [log in to unmask]
Subject: Re: [BP] Should have built it with wood
> -----Original Message-----
> From: Bowman, Camille (DHR)
> Sent: Tuesday, January 26, 2010 12:45 PM
>
> Yes, I'm quite familiar with it. . . And Ken and Lisa are, also.
>
> In my humble opinion, the drainage was built inside the 9-stories of
> hollow clay tile walls in the 1910's;
But Rudy's post said it was gypsum blocks, not clay tile. Is his querier (izzat a word?) incorrect, or are their multiple partition systems in the building. I got the impression that the building was externally flooded, but you are making it sound like it was flooded from the inside out....
And for Sharpshooter, I have to leave the science of water-saturated gypsum de-bonding to others, but given the performance of gypsum drywall after flooding, I would think that mold growth would be an issue with saturated gypsum block as well. Maybe it's too cold up there for that to be an issue this time of year. But later?
D.
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