TruWood Old Mill® Shingle Lap Siding gives you the rich look of split shingle without the cost. The architectural accents of TruWood Old Mill Shingle Siding is less expensive and more durable than cedar without the typical number of culls or odd lengths. And with shiplap edges that are easier to install, even your labor costs are lower. TruWood's staggered edge line of split shingle provides a warm, natural appearance that resists whatever Mother Nature throws at it.