Or copy this URL:
https://www.metalroofing.com/spirit/comment/13739/find/
What I do on R panel roofs is tear off the part of the closure that fits in the major rib of the panel and install it in the rib. Obviously you have to have tape sealant under the full width of the panel and on both the top and bottom of the closure piece. This has always worked well for me.
8/17/2009
NCI Building Systems, Inc.
8/18/2009