Specialty plastic films. Our membranes are used in commercial roofing systems, swimming pools, residential buildings, tunnel lining, wall covering, printed laminated films, geomembrane and medical grade products. To meet diverse customer needs, i2M has developed extensive experience in calendering and lamination of polymer based films such as PVC, ELVALOY, CPE and TPO. Our manufacturing capabilities include non-reinforced and laminated reinforced calendered film products in various gauges and widths.