Corrugated steel roofing has a distinctive round and wavy shape achieved by roll forming. The steel panels are connected into the roof with screws. Yow will discover corrugated forms of roofing in residential and business buildings. Foundation: Roofers location metallic sheets at the base of structures attached into the roof https://newivyhomes.com/the-top-5-roofing-contractors-licensed-in-naperville-illinois/