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What is the advantage of Site form standing seam (kynar 500) over PBU Metal Galvalume Painted panel 24 gage?
Thanks
Luther K. Edwards, PE
Manager of Design Engineering
Hovensa LLC
340-692-3533
#1 Estate Hope
Christiansted, VI 00820
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Kynar 500 is a paint system, typically used on top of Galvalume or Galvanized Steel or Aluminum. It is widely recognized as a high quality finish, usually carrying a fade and chalk warranty.
True standing seam will have concealed fasteners, usually with clips which allow for expansion and contraction.
PBU is an exposed fastener panel which does not have clips. It could very well have a Kynar 500 or Hylar 5000 finish but, then again, it may not.
Metal thickness is important and 24 gauge is fairly heavy. However, product design is also important and can overshadow metal thickness.
I hope this helps a little bit.
8/3/2004
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