Brickform Micro-Topping BRICKFORM Micro-Topping, Smooth Grade BRICKFORM Micro-Topping is used on interior or exterior cured concrete to create a durable surface that can be colored or stained. It is available as a white or gray dry powder in Smooth grade, and mixed with Brickform Liquid Polymer. The Smooth Grade is applied over SM Professional Grade for a smooth finish when desired. The mixed materials form a thin concrete coating that can be used to restore or repair any concrete surface.