Goof Proof Waterproofing Sheet Membrane Underlayment 3 ft. 3 in. x 98 ft. 5 in. x 20mil
https://www.probuilderswarehouse.com/shop/1004210933-0-goof-proof-waterproofing-sheet-membrane-underlayment-3-ft-3-in-x-98-ft-5-in-x-20mil-109587
https://www.probuilderswarehouse.com/web/image/product.template/109587/image_1920?unique=b692ca1
Brand: Goof Proof Shower
Model: GPSM-3'3"x98'5"
SKU#: 1004210933.0
Barcode: 309113434
