TUFTEX PolyCarb corrugated panels are our toughest building panel. Made with a polycarbonate thermoplastic polymer in an octagonal-wave profile, TUFTEX PolyCarb corrugated panels are 20 times stronger than 5 oz. fiberglass corrugated panels and are designed to withstand a wide range of surface temperatures: 270° F to -40° F. All TUFTEX PolyCarb panels are well suited to outdoor applications where light transmission is desired. TUFTEX PolyCarb panels are perfect for greenhouses, outdoor gardening structures, and sun porches.