Carpet Pad R Factor

R values of different flooring materials.

Carpet pad r factor. These numbers will vary from material to material. Adding these two together will produce a r value that can exceed 2 0. It is measured by pounds per cubic foot and those in the 6 pound and 8 pound range provide comfort and durability for residential uses. An r factor in carpeting is a measurement of the carpet padding s resistance to heat flow.

The carpet padding also effects room temperature and some may say that the padding under the carpet does just as much or more insulating than the actual carpet itself. The insulating value of the padding must also be combined with the r value of the installed carpeting. If veiwing this page on a phone it s best to turn the phone to view in landscape mode r values of flooring materials. Carpet pads with a higher r factor will trap heat more successfully preventing the flow of warmth through the material so that all your heat doesn t seep out through your floors.

While r value is an important factor to consider when choosing a flooring material you must also consider your aesthetic preferences. For example wool carpet rates a maximum r value of 2 1 while other types of carpet can rate as low as 0 7. Because of this thickness dependency r values can only be compared at the same material thickness. The r value rating is anywhere from 1 05 to 2 15 dependent upon the thickness of the pad.

Urethane padding has the highest r value of all padding choices. R value is calculated by dividing the material s thickness by its k value. Carpet pad and the r factor. For instance a material one inch thick with a k factor of 0 2 btu in hr ft2 o f would have an r value of 5.

Features and types of carpet pads. The r factor is how well the padding will prevent heat from moving from one place to another. The second important metric to keep in mind is the r factor which refers to a carpet pad s ability to resist the flow of heat. The density of the carpet pad foam is another factor to consider.