Pine S4S Lumber 1/2" × 3-1/2"

Elevate your woodworking and trim projects with smooth, precision-cut Pine S4S (Surfaced Four Sides) lumber. Ideal for moulding, paneling, shelving, and decorative accents, each board delivers consistent thickness and square edges straight from the mill—no additional planing or sanding required. This lightweight yet sturdy pine is perfect for interior applications, whether you’re creating custom cabinetry, window and door casings, or DIY furniture pieces.

Crafted for easy finishing, this general-purpose pine moulding accepts paint and stain evenly, giving you full control over your project’s final look. The straight-grain pattern not only adds natural warmth and character but also ensures uniform performance in joinery, routing, and edge-profiling.

Key Features

• Ready-to-use Surfaced Four Sides (S4S) finish—smooth on all faces and edges
• True 1/2" thickness and 3-1/2" width for consistent fit and alignment
• Premium kiln-dried pine with excellent dimensional stability
• Ideal for paint or stain—takes finishes uniformly
• Versatile application: trim, moulding, shelving, framing, furniture accents

⚠️ WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.