2540 Rue Roy, Sherbrooke , QC J1K 1C1


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RTSI specializes in the installation of metal siding, panelling, and roofing for the commercial, institutional, industrial, and residential sectors.

With 45 years of experience, more than 15 teams of professionals using cutting-edge technology, and an impeccable work ethic, RTSI has built a solid reputation over the years for the quality of both its work and its service—with the company being highly sought after not only in the Eastern Townships, but throughout Quebec and Ontario.