Dive summary:

• Getting concrete on a slope or into rounded areas now can be a matter of laying a cloth into and around the shape needed and adding water.
• Milliken & Co. has introduced Concrete Cloth, which is a fabric backed with a waterproof material and impregnated with concrete whose cement activates and begins to set with only the addition of water.
• The company says it achieves 80% strength within 24 hours of being put down and watered.

From the article:

The fabric is simply laid on the ground, hung vertically, or cut and formed into shapes. ...