"Chuck" wrote in message
...
The siding that I have removed has been on the house since 1972. The
builder used galvanized nails only. All were 2 1/2 inches long and I saw
no reaction between the nails and the cedar.
Give me a reference to the info you have. Thanks...

Here's one place.


http://www.oldhousejournal.com/magaz...ic/index.shtml