include slots 40 a for receiving a central reinforcing member 42 of course other lips 41 and slots 40 may also be advantageously placed within the cavity 35 in order to provide reinforcement where needed additionally of course the configurations of the slots 40 in the upper cavity 35 a and the lower cavity 35 b could be reversed fig7 shows a handrail 25 similar to the handrail 25 of fig2 a the handrail 25 is provided with a distal side 24 a proximal 26 a top side 28 and a bottom side 30 within the handrail 25 is a cavity 35 the cavity 35 is broken into an upper cavity 35 a and a lower cavity 35 b by an interior wall 38 within the lower cavity 35 a adjacent the left and right sides 24 26 are lips 41 forming slots 40 for receiving reinforcing members 42 adjacent the internal wall 38 are lips 41 a and slots 40 for receiving an additional reinforcing member 42 the lips 41 a are shown protruding in a perpendicular manner but may also slant inward towards the internal wall 38 in order to apply pressure to the reinforcing member 42 maintaining the reinforcing member 42 in position slanted lips 41 a are also considered useful for accommodating differing thicknesses of reinforcing members 42 fig8 and 9 show alternate embodiments of the reinforced vinyl beam of the present invention in the embodiments of fig8 and 9 the beams 60 a 60 b exhibit only a single cavity 35 unbroken by internal walls rather the cavities are divided by a central.