What's under the metal?

Guest User
Okay I'm putting on a R panel metal roof this weekend, and I am pulling off one layer of singles. The decking is 1x4 as far as I can tell. What should I put down on the decking if anything before the metal?
Dick Bus
you should put a vapor barrier down first. I prefer Titanium UDL but 30# felt will work.
Eric Novotny
An informed customer is the Best Customer!
+1 Give your area of the country, you may want to consider some radiant barrier application as well.

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