I believe the material
originally matched but as we had discussed a while back on pinheads, concrete
holds dirt, probably much more that glazed terra cotta and it would be very
difficult to develop a color in anticipation of how much dirt it would collect.
Best to ask Theo or Tim Allenbrook (he is with Wiss Janney now).
I'm sure accelerated age
testing has been done on fiberglass but it greatly depends on the quality of
fabrication and installation.
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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I believe they are replacement units
of precast concrete (or cast stone), not terra cotta. Concrete does not
weather like glazed terra cotta.
The presumption is that Theo or Jim Fitch or
whoever originally installed material in matching colors. But that
prediction has proved faulty, perhaps because there was little history in this
... application(!)* Does that sound right?
More recently, have there been aging tests on
fiberglass cornices, GFRC, etc? Or are we still flying blind?
Christopher
*And, a tip o' the Hatlo hat to Steve
St.
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