Centria, Pittsburgh, a producer of metal roofing and siding products, announced the roll out of its new Retrofit Roof Riser System. The system offers the commercial roofing industry an onsite, extremely adaptable product that can be designed to fit specific product requirements. The systems are designed with light-gauge framing products, which are field-cut from job lengths and can be further cut at the job site, and RollCOM architectural and structural standing-seam roof panel options. The systems usually weigh less than 3 pounds per square foot, which can eliminate the need for contractors to reinforce existing structures or remove existing roofing materials.