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Good morning,
I recently had a flange style standing seam roof installed on 1x4 purlins on top of a plywood deck. The contract stated that all metal would be anchored with 1.5 in screws. The contractor used a roofing nailer and nailed through the flange, and not the expansion holes pinning the panels solid. Is this common or acceptable practice with this style of panel?
7/3/2023
Or copy this URL: https://www.metalroofing.com/spirit/comment/26283/find/The slotted holes are to allow for thermal movement of the metal. They have unfortunately defeated that purpose. The end result could be rippling of the panels. You do have striated panels so that will help some.
Isaiah Industries, Inc.
7/3/2023
Or copy this URL: https://www.metalroofing.com/spirit/comment/26284/find/