S4S (Surfaced Four Sides) milled lumber is planed smooth on all four sides, providing a clean, uniform finish and perfectly square edges. This ready-to-use lumber is ideal for applications where precision and a polished appearance are essential. Available in a wide variety of wood species and sizes, S4S lumber saves time and effort, making it a top choice for cabinetry, furniture, trim, and other fine woodworking projects.
We carry knotty pine plywood in a variety of grades and sizes, including 3/4″ and 1/4″ thickness. This plywood is available in a Veneer Core and CFC (Combination Fiber Core) in 4×8 sizing.
In rustic or knotty grades of lumber, there will be a percentage of degrade during the milling process. Some knots may shake lose and/or fall out during the milling process. Mason’s Mill is not liable for these defects in moldings produced from knotty grades of lumber.