A five-year labor and workmanship warranty, with an option to extend it to 12 years, is offered on the work provided by the certified installers from C J Roofing. The roofing contractor is located in Denver, Boulder and Colorado Springs, Colo. It specializes in wood roofs, shingle roofs and tile roofs for residential, commercial and new construction. The company also offers gutter, downspout and shake shingle alternative solutions. C J Roofing is a member of the National Roofing Contractors Association, Better Business Bureau, Chamber of Commerce and Tom Martino s Troubleshooter Network. The company, which offers 24-hour warranty service, was established in 1978.