In the On the House column by Morris and James Garey ("When Buying Carpet, Select Proper Padding," April 1), there was a question about carpet padding. The answer was misleading, if not erroneous.
First of all, the carpet padding is commonly called rebond and not rebound. They described the 5-pound pad as a force of 5 pounds per square inch. No rebond pad can resist a 5-pound force for every inch of material. Besides the unit "pounds per square inch" is a unit of pressure and not of weight.
The correct description of a 5-pound pad is that the number 5 is really the density of the pad in pounds per cubic foot. It means that a 1-by-1-by-1-foot rebond pad (volume) should weigh exactly 5 pounds. It then follows that a 6-pound is heavier than a 5-pound padding. In the industry, however, it is generally accepted that we describe the density of the pad by 5 or 6 pounds or other weights when in reality it is really the density of the pad that we are referring to.
Sarroca is plant manager of Reliance Upholstery Supply Co. Inc.