A structural reinforcement comprising a hollow profile and a ribbed structure, the ribbed structure including a laminar structure of two facing sheets with a first layer of adhesive material that is foamable and located in between the two facing sheets, the ribbed structure having ribs with one or more ends and a second adhesive material that is provided over at least part of the ribs at the one or more ends to bond the ribs at the one or more ends to an interior surface of the hollow profile.