S1S2E #3 Shiplap Pine is a cost-effective, versatile choice for homeowners and builders looking to add rustic appeal to their spaces. Milled with a smooth face and two smooth edges (S1S2E), this #3 grade shiplap pine features natural knots and imperfections, offering a warm, organic aesthetic. The shiplap profile makes installation easy, with boards overlapping for a tight, clean fit. Ideal for accent walls, ceilings, and exterior siding when treated, this product delivers both charm and durability without breaking the budget.