In a message dated 10/08/1999 12:52:57 PM Eastern Daylight Time,
[log in to unmask] writes:

> A few months ago I posted a query "What have we learned in preservation
>  techniques since the 1960's".  I didn't get much - no one even said they
had
>  figured out that roofing tar was not a good preservation material.

What about on a roof that was originally tarred?

Dare I sign myself,
Fuss and Feathers?