When diving into the world of woodworking or construction, you’ll encounter a variety of lumber types, each suited for different needs. One term that often pops up is “S4S lumber.” If you’re new to this or just looking for a refresher, you’re in the right place. In this post, we’ll break down what S4S lumber is, how it’s produced, its advantages, and why it might be the perfect fit for your next project. What Exactly Is S4S Lumber? S4S stands for “Surfaced on Four Sides.” Thi