A non-wood building material having a simulated wood-grain appearance of a target natural wood comprising a body defined by an outer surface, the body being formed from a composite material comprising a first amount of a matrix component and a second amount of a filler component; and a third amount of a coloring agent deposited on the outer surface of the body; the outer surface of the body comprising a plurality of grooves configured to (1) expose filler component along the surface of the grooves, and (2) simulate the texture of the target natural wood along the outer surface of the body, the grooves defining an exposed surface of the body; wherein the filler component is present in an amount effective to absorb the coloring agent on the exposed surface in an amount effective for the body to simulate the color of the target natural wood.

 
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