Interlock Metal Roofing Illinois was very professional and did a great job Joliet, Illinois Home - Reviews - Joliet, IL - Joliet, IL Roof Review — Interlock Metal Roofing Illinois was very professional and did a great job ★★★★★ 5/5 Chicago Roof Reviews Interlock Metal Roofing – Illinois was very professional and did a great job. Jan H.Joliet, IL Get a Free Quote