Or copy this URL:
https://www.metalroofing.com/spirit/comment/9187/find/
It depends on the steel substate and the coating. The better the coating the longer the roof will last.Aluminum does cost a little more in todays market than Galvalume or Galvanized but is able to make more detailed profiles. Research the product approvals and the finishes on both.
1/29/2007
Dura-Loc Roofing Systems, Inc.
1/30/2007