Levelers PCS:4 then level up corners that

then level up corners that are low by turning blocks to desired height

Use Saddles with Thermo Button-Lok™ for a complete installation system

For an I-joist

These molded polypropylene strips make ThermoPan® installations fast

Levelers PCS:4 then level up corners thatTHERMO LEVELERS BETTER THAN BRICKS! THERMO LEVELERS. Level furnaces, electric heaters, air conditioners or any other types of home or industrial equipment. for easy installation set the lowest height of Twist Blocks under all 4 corners or furnace, then level up corners that are low by turning blocks to desired height. Also offered in a 4 PC PKG for the contractor. 5,000 lbs. crushing strength Made from Recycled Products Softer than Leveler Blocks