The two edges of the metal panels are different. The edge that overlaps has a shorter rib leg that doesn’t contact the roof ...

Fabral is a leading company in the metal cladding industry ... Ennis School in Georgetown, Delaware, features Fabral Box Rib HCF Wall Panels on its exterior. The school, named after Howard ...

The invention provides an improved design for 5V metal roofing panels ... it prevents a screw from slipping to the side of the rib and piercing the bottom pan in the anti-siphon groove.