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.

Limited 40 year warranty pre painted galvanized galvalume steel roofing siding panels. Limited 40 year warranty. Construction metal products inc. The steel roofing and siding panels which fall under this warranty are defined as pre painted galvanized and galvalume steel roofing and siding panels manufactured by westman steel and erected in canada or the united states of america including alaska.

Galvalume and galvanized are two commonly used substrates in the metal roofing industry. Selection of suitable long lasting fasteners to be used with galvalume roof ing and siding panels rests solely with the buyer. Cmp warrants that hot dipped aluminium zinc alloy coated galvalume steel roofing and siding panels sold as multi rib nailstrip 5 v and r panel for use as roofing and siding panels if erected in the continental united states will not rupture fail structurally or perforate within a period of 30 years after shipment from our manufacturing plants due to exposure to normal atmospheric conditions.