A new product called AirStone gives the look of stone without the expense

Dive Summary:

Baton Inc. makes a panel product it calls AirStone for indoor and outdoor use when a builder or building owner wants to add a rustic look without the expense of masonry.
The formula is proprietary, but the company says AirStone contains 80% recycled materials that are bonded into a material that looks like stone but can be put up in close-fitting pieces without grout.
The product is 50% of the weight of concrete manufactured stone and 25% of the weight of quarried stone.

From the article:

A stone wall covering can add a nice visual touch to many spaces in an apartment community such as a stone frame around an outdoor fireplace, a backsplash in a demonstration kitchen or siding on barbecue setup. The only problem is that mason work and materials are traditionally very expensive. ...