Steel facing and stile area one piece and interlocked with six 90 degree bends to form a unique square-edge design for added strength and structural rigidity. Vinyl extrusion provides an insulated thermal break. Baked-on primer for a more durable finish.
Lock-ring reinforcement to prevent lockblock telegraphing.
Steel hinge reinforcements installed to prevent hinge sag.
Composite bottom rail for rot resistance. Double-kerfed bottom rail sweep can be used on all steel and fiberglass doors.