On 7/9/07 9:12 AM, "Hammarberg, Eric" <[log in to unmask]> wrote:
Yes folks it appears that this is Freedom Gray by Revere - Tin/Zinc Coated.
Is there any reason to be concerned about galvanic action?
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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_____________________________________________
From: Hammarberg, Eric
Sent: Friday, July 06, 2007 2:06 PM
To: 'The Listserv that makes holes in Manhattan schist for free!'
Subject: Terne coated COPPER Roofing
Does anybody have an opinion of Terne coated COPPER Roofing?
Thanks,
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
[log in to unmask]
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I think for galvanic action you need surfaces next to each other to have an oxidation process occur with each surface that effecting the other. When two metals are fused like tin/zinc on copper there isn’t a surface to be interacted on.
j