Profile: Seymour Manufacturing International Ltd. is a manufacturer and supplier of thermal protection systems. Our products are thermal insulation systems, roll cage covers & pallet covers, pvc strip curtains, thermal covers, bags & boxes, cold room curtains and doors. We cover application like PVC strip curtains including bio grade, cold stop curtains for cold rooms, thermal covers for pallets & roll cages and temporary cold rooms. Our clean door has surface material of high impact fiberglass-reinforced polyester insulated with pressurized CFC free polyurethane foam.