Standing Seam Galvanized warping?

Guest User
5/14/2002
Our standing seam galvanized roof is about 3 years old and I am starting to see some warping or waves in areas. We are in an area of Texas where we have freezing in winter and 100+ degree temps in the summer. We are also on the side of a canyon where we frequently experience high winds. Is this warping a normal condition? How much could be considered normal? Thanks.
Todd Miller
Isaiah Industries, Inc.
5/15/2002
Michael, This is very difficult to diagnose without pictures and without being there. If you like, email me pictures to my email address. This could be due to a problem with the roof decking (or lathe board if that is the case). If it is, the problem could be the result of improper decking installation, a roof leak, or inadequate attic ventilation. This also could be the result of mis-application of the roofing. Or you might be seeing some "oilcanning" which is a sort of natural occurrence that can affect standing seam at any time but especially when expansion and contraction occur due to temperature swings and high temperatures. I suggest you contact the roofing manufacturer for their opinion or have an experienced metal roofing contractor come out to inspect the situation.
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