Armawall Trowel On 2mm texture coating is a second step in the Armawall Texture Coating System and provides one of the base textures. Trowel On 2mm finish is a durable, high build acrylic texture finish with 2mm aggregates. Applied by trowel and finished with a polystyrene float, that gives Armawall Trowel On finish it's distinctive texture patterns. Trowel is generally overcoated with Armawall Impact, Armawall Satin, Armashield or Armawall Roll On Membrane.