1/4 in. x 4 ft. x 4 ft. Underlayment
https://www.probuilderswarehouse.com/shop/1007975573-0-1-4-in-x-4-ft-x-4-ft-underlayment-559170
https://www.probuilderswarehouse.com/web/image/product.template/559170/image_1920?unique=671cf59
Brand: USG Fiberock Brand
Model: 60085
SKU#: 1007975573.0
Barcode: 320988148
