What does “Free Floating Mat” mean? A What does “Free Floating Mat” mean? “Free Floating” or “Free Lay” refers to mats not adhered to subfloor, has no stationary objects on top of it, and does not butt up against any wall. Free floating / free lay installation is most often used when using mats as parking pads. Share facebook twitter linkedin pinterest email Back to Top Can I use double-sided tape with a G-Floor installation? What is the normal garage floor square footage?