Home > Shop West Fraser Products 4x8-1/2" BROWN TREATED PLYWOOD CA-B Item #: 01678009 $59.90 ea. Add to Cart 4x8-5/8" BROWN TREATED PLYWOOD CA-B Item #: 01678197 $78.90 ea. Add to Cart 4x8-3/4" BROWN TREATED PLYWOOD CA-B Item #: 01678359 $88.90 ea. Add to Cart