Or copy this URL:
https://www.metalroofing.com/spirit/comment/11799/find/
I always suggest underlayment between the two.
The answer to your question is generally yes but it depends a lot upon exactly what profile and type of aluminum roofing is being installed. The best thing you can do is to check with the manufacturer and see what they say.
7/21/2008
Isaiah Industries, Inc.
7/21/2008