carpet density

carpet density

The number of rows of pile tufts per inch, lengthwise.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Carpet density is measured in stitches per inch (SPI), though some carpets specify stitches per three inches.
Space between needles on a tufting machine and the distance between tufts as the backing advances determine carpet density. A 15-foot tufting machine can have more than 1,400 needless along the needle bar (just over a thousand is most common).
Pad quality and thickness, as well as carpet density and pile height, affect sound transmission--the more the quieter.