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Calculate the cable length by multiplying the number of cables needed by the total length of your railing. For instance, a 36-inch post with 11 cables over a 50-foot span would require 550 feet of cable. Always add extra length to account for any adjustments. Consult manufacturer guidelines and local building codes to ensure compliance.

While installing cable stair railings yourself might reduce upfront costs, you’ll still need to pay for purchasing materials, and specialized tools and knowledge are required to ensure safety and compliance with building codes. Hiring a professional cable stair railing expert ensures the system is installed correctly, minimizing potential risks and providing a durable, attractive result.