Founded in 1948, Construction Specialties (CS) is a family-owned, specialty building products manufacturer. CS provides solutions to challenges that architects, designers, building owners, facility managers, and contractors face every day. Since inventing the extruded louver, CS has become a global leader in interior wall protection, impact-resistant doors, entrance mats & grids, expansion joint covers, architectural louvers and grilles, sun controls, explosion & pressure relief vents, cubicle curtains & tracks, and stairs, awnings & balconies.