Abstract: A flooring member for use in constructing a floor surface comprising an elongated structural member having at least one, relatively flat, vertically-extending support portion enabling said flooring member to withstand relatively heavy loads without substantial bending, said flooring member consisting essentially of glass fiber reinforcements and a suitable polyester. Preferably the member is constructed by pultrusion and includes a top portion having a substantially flat upper surface suitable for forming the floor surface, the support portion being integrally connected to the bottom of the top portion.