2"x4x8' STYROFOAM R10

2x4x8 Styrofoam R10: Robust closed-cell, moisture-resistant 2-inch thick, 4-foot wide, and 8-foot long Styrofoam insulation with a high R-value of 10. Retains R-value after moisture exposure, making it perfect for heavy-duty insulation needs in residential and commercial buildings. Ideal for walls, roofs, and floors, this Styrofoam board provides excellent thermal performance and durability. Easy to handle and install, it ensures long-lasting energy efficiency and comfort in any construction project. (Brand may vary.)