A composition comprising: a) one or more isocyanate functional components; b) one or more compounds containing a cycloaliphatic tertiary amine: c) one or more low functional acrylate containing components having about 1 to 4 acrylate groups per molecule; d) one or more high functional acrylate containing components having 5 to about 10 acrylate groups per molecule; and e) one or more compounds containing a peroxide group; wherein the composition is a two component composition and components a) and b) are kept separate from component e) until cure is desired. The composition may be utilized as an adhesive.