Rebar caps are small yet vital safety devices used on construction sites to cover the sharp ends of exposed rebar, preventing impalement injuries and ensuring OSHA compliance. Whether you're new to land surveying or managing a construction crew, understanding how rebar caps work and the difference between visual and impalement protection can help protect workers and streamline safety protocols. In this guide, we break down the types of rebar caps, when they’re required, and best practices for using them on the job.