50Mil EPDM Waterproofing Membrane for Roof Underlayment 16.5Ft X 40In – Self-Adh
Color 16.5ft X 40in. It can also be used as an exposed waterproofing layer on camper roofs, sunroom roofs and patios, as well as for leak-proof repairs in areas such as window sills, chimneys and around pipes.