Enmon Self Levelling Pedestals 2.64" - 6.18"Enmon Self Leveling Pedestals provide the most flexible means of creating a floating floor system on balconies and roof decks. The heads incorporate a gimbal mechanism which allows a rotational tilt of up to 5%. This C base, self leveling head and 4mm spacer support heights from 2. 64" 6. 18" and the risers come with a 20 year limited warranty for your peace of mind.