Simpson 12 x 12 Column Base CB1212The CB is designed to connect posts to concrete foundations for a wide range of lumber, glulam, and engineered wood product sizes. This column base is either cast in place or wet set into the concrete where the bottom of the base plate sits flush with the concrete for full post bearing. The CB is ideal for columns that require high structural values and rugged performance. Finish. Simpson Strong Tie gray paint Manufacturer Name: Simpson Strong Tie