The results on the modification of an epoxy resin using graphene and graphene oxide are given in the present paper. It was found that the impact strength of the resin modified with graphene and graphene oxide at concentrations of more than 0.05 wt% increases by 25-30 %. Moreover, the prospects of using the nanomodified r esin for i nternal and e xternal r einforcement of concrete products are described.