Enmon Self Levelling Pedestals 6.06" - 23.43"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 D base, self leveling head and 4mm spacer support heights from 6. 06" 23. 43" and the risers come with a 20 year limited warranty for your peace of mind.