Profile: J.M. Gruca, Inc. specializes in the custom designing and installation of glass handrail & guardrail systems. Our railing systems are safe, strong & durable. We provide take off services, shop drawings, structural engineering along with a state engineering stamp, MSDS, safety manuals including weekly tool box meetings and a certificate of insurance for a complete glass rail installation. Our capabilities include field measuring, complete installations, straight clear tempered glass in 1/2″ / 3/4″, curved clear tempered glass in 1/2″ / 3/4″, smoke baffle system using 1/2″ / 3/8″ tempered glass, free standing stainless steel handrails in conjunction with monumental stairs and curved spiral clear tempered glass in 1/2″ / 3/4″.