Installing hidden screws for metal expansion

Merrick Endres
2/23/2017
Hi Standing seam with slotted flange for attaching hidden screws (nail strip, non-clip style) What's the best method for installing the screws so that they allow the panels to move for heat expansion? I was thinking one way might be to back them out a half turn after installation.
Eric Novotny
An informed customer is the Best Customer!
2/23/2017
The panel manufacturer should have explicit instructions with the panel.
Merrick Endres
2/23/2017
Thanks Eric, I'll double check.

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