Founded in 1966, Roof Structures, Inc. (RSI) is one of California's oldest and most well respected roof and floor erectors. We are proud to have built some of the largest wood and steel joist structural panelized roof systems on the West Coast. Our company is a fully insured, bondable contractor licensed in California, Nevada and Oregon. Services • Panelized Roof Systems RSI has the expertise to build wood and hybrid panelized roof systems. • Commercial Framing We are framing experts. We have framed many dealerships in the bay area including Piercy Toyota and Stockton Nissan. We also frame large shopping centers, such as San Jose Market Center. • Seismic Retrofit If a building is in need of a seismic retrofit, with the help of an engineer RSI can bring most buildings up to current codes. We install Simpson and Zone 4 hardware to meet current loading requirements. • Specialty Projects We do it all. If you are not sure if your project fits the scope of work we do, just ask. With so many years of experience, our team has successfully completed a myriad of specialty projects such as decks, trellises, and a wind tunnel for Specialized Bicycles.