subject: The Three Things You Need to Know When Shopping for Carpet [print this page] If the proper padding is not used underneath the carpet, the carpet warranty could be voided, so it is vitally important to use the correct padding. According to the Carpet Cushion Council, light traffic area carpet should have a minimum of 5 lbs and 3/8 inches thickness pad, and heavy traffic areas should a 6.5 lbs and 3/8 thickness pad. Pads should not exceed 7/16 inches in thickness, or it could cause the carpet to ripple.
The Three Things You Need to Know When Shopping for Carpet