This 11/16 x 1-1/2 primed MDF board is a versatile option for interior trim projects. Crafted from medium-density fiberboard (MDF), it features a smooth S4S (Surfaced Four Sides) finish with Square Edges (SE) for a crisp, modern look. The board comes pre-primed and ready for paint, making installation faster and easier. Ideal for door and window trim, accent walls, or custom woodworking.