John, at this point those would be based upon the particular metal panel being installed. Each manufacturer will have their own proprietary instructions based upon their product design and testing.
Todd Miller
2011-12-30 13:51:34.000000
Are there published guidelines for removing a shingled roof and installing a new metal roof?
John Wooten
2011-12-30 13:46:44.000000
Were you thinking about one roof in particular?
Todd is correct in that each manufacturer has their own specifications, although many of them will be shared in principle.
Many manufacturers will have installation instructions on their websites as well.
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