What causes a metal roof to "Stripe" - (being able to see lathing)

eric timms
10/12/2009
I have see some roofs that were wither lathed with 1x4's or some form of lathing and over time, you can see the lathing. I have even seen in the early morning how the condensation on theroof is different on the lathing. Do you think if the underlayment was applied on top of the lathing, it would still do this? Thanks Eric
Todd Miller
Isaiah Industries, Inc.
10/12/2009
It is just the temperature differential caused by the strapping. I doubt underlayment would make much difference.
Guest User
10/13/2009
It must be pretty significant to make the metal fade differently on the strapping? We also sale some of the reflective bubble insulation and I wonder if that might help....
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