The invention relates to a reinforced composite having an unplasticized polyvinyl chloride (PVC) matrix reinforced by means of elongated steel element provided with a coating of acrylate based polymer. The yield strength of elongated steel element of the present invention at 0.01 % permanent elongation is at least 1500 MPa. The invention also relates to In one aspect, the present invention relates to a reinforced composite having an unplasticized PVC matrix reinforced by means of elongated steel element, wherein said elongated steel element is coated with a layer of acrylate based polymer followed by a coating of tie layer, wherein said tie layer comprises a mixture of PVC and a plasticizer.