Previous Term Next Term Plank Explore Materials and Sample Plank is a type of modular flooring characterized by a length-to-width ratio that is greater than two to one. It is available in narrow, standard, or wide widths. Sources Resilient Floor Covering Institute Related Terms Fumed Wood Shirred Drapery Header Accordion Pleat Pencil Pleat Photochromic Flat Pleat Materials Flooring Was this insightful? Yes No