Multiwall polycarbonate sheets, also called LEXAN™ THERMOCLEAR™ sheets, offer a range of colors, finishes and structures. These polycarbonate sheets provide multiple outstanding application benefits like light weight, ease of installation, high stiffness, excellent thermal insulation, long-term light transmission, UV & condensation resistance etc.From conservatories, commercial greenhouses and swimming pools, to industrial buildings, offices and football stadiums, Lexan Themoclear sheets are used to help deliver creative easy-to-install glazing that is built to last. These products are backed by a minimum 10-year limited written warranty against excessive yellowing, loss of light transmission and loss of strength due to weathering.