1/2" x 3-1/2" S4S Pine (D3PRF) – Primed Finger Jointed is a versatile, smooth-planed board designed for custom interior trim, paneling, shelving, and light millwork applications. Surfaced on all four sides (S4S) for clean, square edges and a uniform appearance, this board provides a flexible solution for both professional builders and DIY homeowners. The wider 3-1/2" face offers greater coverage for accent walls and trim build-ups, while the 1/2" thickness keeps it lightweight and easy to handle. Manufactured from primed finger jointed pine for enhanced straightness and stability, the D3PRF arrives paint-ready to streamline installation in new construction and remodeling projects.