When I read that I just had to check. It is exactly 40 deg. here in the woods of Minnesota at 10 am.
Here is another tambour site someone previously posted in a tambour thread here:
http://www.winonamanufacturing.com/index.shtml
I have a couple of broken tambor cabinets and most seem rather fragile. I don't know whether I want to repair or replace them with something else at this time.