2 N 9th St, Suite 1600, Allentown, PA 18101 (610) 548-3460 Commercial Roofing of Allentown providing metal roofing, single-ply membrane repair, and re-roofing for industrial facilities, schools, and medical buildings across Allentown, PA. Our experienced crews provide roof inspections, maintenance plans, and fast emergency leak response throughout the Allentown area.