In a message dated 3/7/2000 10:22:58 AM Eastern Standard Time,
[log in to unmask] writes:
<< Why don't I see more tc failure from such installations?
>>
Stick around and monitor - once the biscuit is exposed, it will begin to
absorb water if noit protected, then the freeze-thaw dance begins, generally
resulting in spalling. Sad but true.
Twybil