The most customary use of the term berber is when it is used to describe loop carpets. A loop carpet is a type of construction that is created when the yarn is tufted into the backing and left uncut there are some variations in loop carpeting as well, such as level loops, meaning that the loops are all one height, and patterned loops, which are created when the loops are varying heights. Recommended for residential family rooms, basements, and stairs & hallways.