NW Clad 740 provides the slimmest aluminum clad frame in the folding door industry. With the warmth of a quadruple laminated cross-grained wood frame to the interior and durable aluminum cladding on the exterior, the profile is styled in a crisp, angular design. Cladding adds a protective skin on the exterior for enhanced weather resistance and low maintenance. NW Clad 740 offers exceptional thermal performance values as low as “.21”. All panel sizes and configuration is Florida statewide approved with product approval number FL41108.