VAPOR BAN™ ER is a rapid curing, single-coat moisture vapor barrier designed for controlling the moisture vapor emission rate from new or existing concrete slabs. A two-part, 100% solids epoxy, it exceeds ASTM F3010 standard with a perm rating of 0.094 grains/h/ft2 /in. Hg (5.4 ng/h • m2 • Pa). VAPOR BAN ER is oil tolerant and can be applied by squeegee or roller.