Follow the carpet manufacturer's guidelines on pad density and thickness; venturing outside the specified range may void your warranty. While most pads are 7/16 inch thick, certain low-pile carpets, such as Berbers, require a thinner pad to prevent wrinkling. For a more luxurious feel, opt for a thicker pad.
With its strong spill barrier, this 10-pound pad can double your carpet warranty. TripleTouch cushion, about 79 cents-$1.50 per sq. ft.; Shaw Floors