Embodiments of the present invention include apparatus and methods relating to a drainage channel comprising two half members further comprising overhangs extending away from the half member along the length of the half member, wherein the overhang features alternating protrusions and recesses at regular distances along the length of the overhang and wherein the first half member and the second half member are joined together by the recesses of the first half member receiving the protrusions of the second half member and the recesses of the second half member receiving the protrusions of the first half member; and wherein the interior edges of the first half member and the second half member define a channel.