Structural grade plywood is a high-strength, durable panel engineered for demanding construction and industrial applications. Available in 18mm and 12mm thicknesses, structural grade plywood delivers superior load-bearing capacity, dimensional stability, and resistance to warping under stress. Ideal for flooring, roofing, formwork, scaffolding, and structural framing, this plywood meets stringent quality standards for construction projects. Sometimes referred to as construction grade plywood or structural ply, it outperforms standard interior grades in strength and moisture resistance. Understanding ply grades helps you choose the right board for your build, ensuring safety, longevity, and performance. Trust Wigwam Ply for premium structural grade plywood solutions.