Installation is a Snap! Engage® features two revolutionary installation technologies: Uniclic and UniFit. Installation is 100% glueless, fast, clean and quiet with only a few simple hand tools needed. Metroflor® Corp. will not be responsible for defects due to installation. Engage Uniclic Installation Engage UniFit Installation Guide Engage Uniclic Installation - Spanish Engage UniFit Installation Guide - Spanish Engage UniFit Do's and Don'ts