Galvalume Roof Warranty

Galvalume carries a warranty from the steel mills that protects against perforation or rust through of the substrate but not surface rust.

Galvalume roof warranty.

This warranty applies only to nu ray s hot dipped galvalume plus aluminum zinc alloy coated steel sheet sold for use as unpainted roofing and siding panels or for use in rainwater applications if erected within continental north america or in another location pre approved by nu ray will not rupture fail structurally or perforate within a period of twenty 20 years and six 6 months after shipment from nu ray due to exposure to normal atmospheric corrosion. Selection of suitable long lasting fasteners to be used with galvalume roof ing and siding panels rests solely with the buyer. Construction metal products inc. Limited 40 year warranty.

This warranty does not apply in the event of deterioration to the panels caused directly or indirectly by the panel contact with fasteners. Galvalume and galvanized are two commonly used substrates in the metal roofing industry. Damage to the galvalume coating caused by cascading water.