Styrene Siding - Novelty (6 x 12 x .040" Sheet) -- .083" Spacing; 7-1/4 HO Inches

Many buildings of the mid 19th to early 20th-century used novelty siding, also known as shiplap or drop siding. It consisted of overlapping boards, with a rabbet in the bottom of each board, overlapping in the round cove on the top of the board below.