INDOGRACE Polycarbonate roofing- Poly carbonate is a polymer with a unique blend of desirable properties. This polymer can be given shape by different processes, which include injection molding, blow molding extrusion and thermoforming. Polycarbonate roof sheets are manufactured by the process of extrusion. We are using for branded materials as per client requirement. Now we are providing services in Trivandrum and Kollam. Take a look at the photos in our store for you!