Mechanically Locked Panels vs. Snap-lock: "I'm looking into a raised-rib vertical panel roof for my ..." - Guest User (5/9/2006) | Installation Process | Archive

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I'm looking into a raised-rib vertical panel roof for my large 1812 home. Have discussed with various roofers and find there's a difference of some $20,000 between the low bid, using "snap-lock" seams, and the high bid, using "mechanically locked panels" - but the high bidder can't explain the difference to me. Can someone at MRA? Thanks -		Guest User 5/9/2006	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/8008/find/
Mechanically seamed panels are very importaan on roofs of very low pitch, say 2:12 or less. They may offer greater wind resistance on steeper roofs but that is subject to some debate due to decreased air permability of those systems. I am surprised by the price difference but remember that it's not all about product style. Other importan factors are base metal type, coating quality, and installation workmanship.		Todd Miller Isaiah Industries, Inc. 5/9/2006	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/8009/find/