 free. Special membrane materials specifically designed for this can be covered with several different finish materials, including tile, concrete, or wood panels. Another exciting material has attractive patterns and designs for a very different look that you can walk directly on top of. With Precision Single-Ply helping on your project, you can be confident of a long-lasting outdoor living area backed by the warranty of a local skilled contractor. Call Precision Single-Ply and see how they can help you remodel or build your new walkable