Flatstock & Window Sills


We offer a wide array of options with our flatstock product. CMA flatstock, simply put, are flat table molds that we use to pour a variety of different things. Items that can be poured on our flatstock molds include: walls, countertops without bowls, shelves, tub decks, sills, caps, or virtually anything else you would need to cover a flat surface, whether horizontal or vertical. Available in all of our CMA colors, Flatstock helps enhance your project to create a unique look and feel. Flatstock is available in 3/8" and 3/4" thicknesses.

Window Sills

Our commercial sill products are available in standard or custom sizes to fit your needs. We offer them in three color options, which include; #150 – Classic White, #74 – Standard White and #72 – Solid Biscuit.

Standard sizes include 3/8", 1/2" and 3/4" thicknesses in the following dimensions:

  • 4" x 144"
  • 5" x 144"
  • 6" x 144"

Custom sizes are priced per lineal inch. Please inquire for additional details on custom projects.