sfnsm 50 mil epdm rubber roofing materials, self-adhesive waterproofing membrane for roof 39 in x 16 ft, underlayment waterproof membrane foundation for flat/metal roof, rv, terrace building materials 16.4ft is up for auction in Tools & Home Improvement. The current bid is $2.00, 98% below the $104.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.