Or copy this URL:
https://www.metalroofing.com/spirit/comment/6060/find/
This is a pretty broad based question and truly needs to be asked of the manufacturer whose product you choose. Ask to see their product approval which will tell you that it has been reviewed to the building code and it will disctate how to install.
6/14/2005
Dura-Loc Roofing Systems, Inc.
6/14/2005