What is levtec tile levelling? LEVTEC Tile Levelling Systems are designed to create flawless tiling projects efficiently, every time. Read More. The breakpoint on LEVTEC is below the base plate, allowing total expansion after removal due to no spacing material left behind between the joints as on other systems.What is levitex foam? Levitex foam provides pressure relief for comfort and resistance for support. It fights your bad day time posture while you sleep. Are you ready to optimise your sleep? Engineered, supportive, and tailored to fit your sleeping position in order to improve your natural sleep posture.Where is leviton headquarters located? Leviton Manufacturing Co., Inc. Global Headquarters 201 North Service Road Melville, New York 11747 Phone: 800.323.8920How do levlevitex pillows work? Levitex pillows come in four heights to suit your body, and are designed to help with posture, pressure and proprioception. How? We have developed a foam formulation that we call ‘the optimum surface for sleep’. It supports your body as you rest, while optimising your sleep posture.