Why is the wavy corrugated not recommended for roofs?

Tina Cox
12/25/2010
I looked to see if this was asked anywhere else didn't find it so here it goes I would love to have the "wavy" corrugated roof panels installed over the shingle I have now but I keep hearing don't use it for roofing. I can't seem to get a straight answer why this is so could you please tell me. Depending on the reason I might try it anyway. And also what is the name for this panel?
Nate Libbey
1/5/2011
Tina, There are two popular sizes for corrugated (which is the name of the "wavy" tin). - 2-1/2" between ribs, with a 1/2" tall rib - 1-1/4" between ribs, with a 1/4" tall rib In general, the 2-1/2" can be used for both roofs and siding, while the 1-1/4" is only reccommended as a siding material. Several MRA members manufacture the 2-1/2" corrugated. Some links are below: http://www.abcmetalroofing.com/panels_corrugated.html http://www.fabral.com/product.php?id=3 http://www.metalsales.us.com/panel/2.5-corrugated/ (copy and paste the links into the top address bar)
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