Ostrander Siding and Roofing does large and small commercial roofing jobs. We also perform service and repair work as well as roof inspections. We carry a full line of cool roofs, including white PVCs, new TPO's, and modified asphalt roofing. We do built-up roofs with hot mop or cold process, and single-ply modified's, hot applied, cold applied, or heat sealed. Surface finishes include stone, mineral granules and liquid coating.