Cemflow Acrylic Prime Water based acrylic primer designed for porous and non-porous substrates (formerly known as Cemflow Don Acrylic Prime) You might also be interested in Cemflow TS350 Trowel applied cementitious screed Cemflow GPU Self smoothing floor leveling underlayment Cemflow GPU Plus Fast setting, self smoothing floor leveling cementitious underlayment Cemflow TS200 Trowel applied cementitious screed