Our Fixed height rubber supports are designed to raise pavers and deck tiles over a solid flat surface such as a roof decks, balcony or at grade applications, including concrete or compacted sand. The supports include 1/8" wide spacer tabs to create a consistent joint between pavers. These recycled rubber supports can handle over 2000 lbs, dampen vibrations and are designed with channels underneath to provide desired drainage underneath your floor. Supports are stackable to accommodate reaching a desired height for your floor and to compensate for level discrepancies in the sub floor. 1/16" Shims (sold separately) allow for incremental height adjustment.