Commercial stairways have a great many measurement requirements and building restrictions. For example, the stair’s treads must be in compliance, stair handrails need to be on both sides of the stair, and the rails can’t project more than 4.5″. They are also required to be mounted at a specific height from the ground. Whatever the commercial space, the margin for error is minuscule. Mike’s Custom Stairs, Railings and Trim is experienced in the installation of commercial staircases here in the Chicagoland area. Let us know what your project entails and we can begin with a consultation.