Reinforced Concrete (RC) structures are designed for a particular load-carrying capacity and they are expected to function safely during their service life. The deterioration of RC structures takes place due to several reasons such as poor construction material, poor workmanship, overloading, etc. The appearance of cracks and deflections in RC members are the signs of distress in structures. Several strengthening methods are being adopted to extend the service life of damaged structures. Plate bonding technique using Fibre Reinforced Polymer (FRP) shows a better choice of strengthening method of RC structural elements. Hence, knowledge about the behaviour of FRP strengthened members is an essential requirement for practising engineers. This book is mainly focused on a detailed study, background, techniques and experimental investigations to evaluate the flexural behaviour of RC members strengthened with Glass Fibre Reinforced Polymer (GFRP) and Carbon Fibre Reinforced Polymer (CFRP) sheets. The uniqueness of the book is the study of GFRP and CFRP strengthened beams of varying strength in terms of load-carrying capacity.