What are some of the performance components that make carpet perform well? Although you needn’t be an expert on all carpet matters, a basic understanding of construction will help you choose a carpet that meets the physical and aesthetic needs of your space. Plus, a working knowledge about construction will help everyone on the project — manufacturers, designers, contractors and end users — ensure that the carpet delivers on everyone’s expectations.
http://www.starnetflooring.com/wp-content/uploads/2010/03/vol8_2.pdf
Link to Starnet Starlog Volume VIII issue 2 below.