plastic ground protection boards 10×10 80 T load capacity 4×8 Ft tan ground protection boards 80 T load capacity R- 1.5, 0.5-in x 4-ft x 8-ft Faced Fiberboard Board Insulation with Sound Barrier. Item #15383 Model #A11240848096. plastic ground protection boards 2×8 80 tons load capacity 100% recycled high-density polyethylene (HDPE) Low