Why Install Floor Guides on Your Sliding Doors?

If you're about to install new sliding doors that hang on overhead tracks, then you don't have to worry about having tracks or runners on the floor. However, if you're taking this route, it's worth adding some floor guides as well. So, how do floor guides work and why should you put some in under your doors? What Are Sliding Door Floor Guides? Floor guides are designed to help position sliding doors that don't have a track underneath.