To a certain degree I have - with relish I must add. As I understand it,
those T roofs are really UV protection for Bituthene type membranes.

Eric Hammarberg
Associate Director of Preservation
Senior Project Director
LZA Technology
641 Avenue of the Americas
New York, NY 10011-2014
Telephone: 212.741.1300 extension: 1016
Mobile: 917.439.3537
Fax: 212.989.2040
email:  [log in to unmask]


-----Original Message-----
From: Leland Torrence [mailto:[log in to unmask]]
Sent: Tuesday, May 01, 2001 7:51 AM
To: [log in to unmask]
Subject: Re: You'll never take me unweathered, copper!


Has anyone followed the Bilboa/Guggy problem with the "bad Titanium"?
Best,
Leland

----- Original Message -----
From: "Ralph Walter" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, May 01, 2001 7:13 AM
Subject: Re: You'll never take me unweathered, copper!


> In a message dated 4/30/2001 3:37:05 PM Eastern Daylight Time,
> [log in to unmask] writes:
>
> <<  If we were starting all over again, what would
>  be the "dream material" besides copper?  Titanium? Stainless?  How does
ugly
>  old aluminum hold up? >>
>
> Titanium would probably be nice, if anybody (including Bill Gates) could
> afford it. Stainless is damn good, but very difficult to work.  Aluminum.
> despite its use as the capstone for the Washington Monument, oxidizes
badly
> (and uglyly) when bare and reacts very badly with cement; anodizing helps
a
> lot on the weathering aspect.
>
> Take it from there, Techno-nerds.
>
> Ralph
>