C.R. Laurence Architectural Products & Services | CRL-ARCH CRL-Arch, CRL, C.R. Laurence, U.S. Aluminum, United States Aluminum, architectural, glass railing, sun control, door rails, all glass entrances, commercial doors, entrances, storefronts, curtain walls, door rails, glass entrance, architectural hardware, aluminum extrusions, sunshades, balanced doors, panic handles, door hardware, glass, glazing, custom fabrication, handrailing, CAD drawings, CSI specifications, LEED Credits, BIM Objects, engineering reports, architects, blumcraft, jackson, tajima, delta doors Welcome to C.R. Laurence Architectural Products and Services, the Leading Manufacturer of Architectural Railings, All-Glass Entrance Hardware, Entrances, Storefronts, Commercial Doors, Curtain Walls, Hand Rails, Exit Devices, Custom Cladding, Balanced Doors, Sunshades, Transaction Hardware, and Frameless Shower Door Hardware. Home of C.R. Laurence, U.S. Aluminum, Blumcraft, Jackson, and Tajima architectural products.