Carpet With Low R Value

Some carpet and padding combinations can measure an r value of over.

Carpet with low r value.

The r values of the carpet and padding add together for a total r value. These numbers will vary from material to material. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. Rosato asbestos insulation is the most authoritative source on asbestos properties and gives data for the thermal conductivity of asbestos in different forms and with varying temperatures for magnesia asbestos insulation at mean temperatures ranging from 100 f to 400 f the k value thermal.

R values of different flooring materials. For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. You don t want to insulate right above your radiant heat source otherwise your radiant heat system will have to expend more energy to heat the room. Having explained the science how can this information help make sound floor covering decisions in terms of energy efficiency.

A great choice for a carpet pad would be 1 4 inch slab rubber foam. If veiwing this page on a phone it s best to turn the phone to view in landscape mode r values of flooring materials. Best carpet for resale value. Carpets made with natural fibers such as wool or cotton usually have the lowest amounts of volatile organic compounds vocs.

Notes to the table above. Notes on the r value k values of different forms of asbestos. While r value is an important factor to consider when choosing a flooring material you must also consider your aesthetic preferences. In most cases floor covering will be used in the insulation mode.

R values of different flooring materials. Being in the middle with its r value fiber padding provides a pretty good warming and cooling property along with decent carpet support. For example wool carpet rates a maximum r value of 2 1 while other types of carpet can rate as low as 0 7. The key here is high density and a low r value.

Thicker pile or berber style. This is a thin and dense material with a very low r value. As an alternative you can buy synthetic products that have a green label plus from the carpet and rug institute. A cushion with an r value of 2 and a carpet with an r value of 1 would have an r value of 3 for the composite.

In this case choose cushion and carpet.