Galvalume is a metal roofing product consisting of steel coil coated with a metal alloy consisting of 45 zinc and 55 aluminum.
Galvalume roof valley.
What a consumer will pay for a galvalume roofing system depends on the quality of the material.
The top joinery of both valleys when they meet on the same plane of roof is shown here.
Galvalume has barrier corrosion resistance and heat resistance similar to aluminized material.
Drip edge galvalume steel w valley flashing trim hd4247541 the home depot.
For example a galvalume section that is 16 x3 known as a classic rib steel roof panel is 29 gauge steel and comes with a 25 year warranty.
Product overview the gibraltar galvalume roll valley flashing is coated with a reliable zinc aluminum alloy over galvanized steel.
This flashing can be bent cut and shaped for many weatherproofing projects.
Galvalume steel comes in various gauges that determine the quality and price.
The combination of zinc and aluminum in galvalume enhances both the positive and negative effects of aluminum.
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This product is used by professional contractors and homeowners to produce custom flashings.
I have my valley custom made with water trough to help with leaking b.
Galvalume metal roof and siding panels are coated with a mixture of zinc and aluminum and siliconized coating to help resist scuffs and fingerprints better than a bare metal product.
The mixture of zinc and aluminum protects the galvalume metal against corrosion and rust helping galvalume typically last much longer than galvanized steel.