CF caboose roof material question

[NW Modeling List]

Looking closely at some of my pix, it appears CF's had galvanized (then
painted over) metal panels on the roof.  I was always under the impression
they were covered in tarpaper but am now thinking otherwise.  Attached are
some of the pix that are causing me to rethink this as I gather info to
paint my models.  518354 in red shows what appears to have galvanized
surfaces peeking out from chipped paint.  518008 clearly shows the roof
covering seams.

 

Tarpaper, tin or both?

 

Jim King

 <http://www.smokymountainmodelworks.com/> www.smokymountainmodelworks.com

 

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