Utility galvanized metal roofing for barns, sheds, etc. The 5v runs
$15 per 8' sheet whereas the 2.5" corrugated runs about $10. What are
the pros & cons for each type and is it worth the price difference?
The existing metal roofing started rusting at, and spread from, the
nail holes punched thru the metal by the roofing nails. They were the
coated nails with rubber washers made for installing that type
roofing. Is there any way to prevent that when installing the new
roofing? Predrilling maybe?
How large is the roof area in question ?
Using panel goods you will have the same problems eventually...
You should see if any roofing contractors in your area do
standing seam metal roofing, almost all the fasteners in such
roofing systems are located underneath the roof surface
and the roof is held down by clips which hold tight when
the standing seam is folded closed... Best thing is that
if the contractor does enough of this type of roofing they
will have a machine which will take a coil of the metal
and form it into the roof allowing for a system with custom
length unbroken panels from the eaves to the ridge...
Just an idea, less edges exposed means less leaks,
less exposed fasteners means less rust in the future
and a longer life for the roof...
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