Carpet With Low R Value

Best carpet for resale value.

Carpet with low r value.

A great choice for a carpet pad would be 1 4 inch slab rubber foam. Thicker pile or berber style. Material thermal insulation r value m2k w concrete 10 cm thick 0 07 0 08 carpet 1 cm thick 0 18 fibreglass insulation 1 cm thick 0 22 thermal resistance of materials1 the r value is used to measure a material s resistance to heat transfer or thermal resistance the higher the r value the greater the insulating effect. R values of different flooring materials.

Carpets made with natural fibers such as wool or cotton usually have the lowest amounts of volatile organic compounds vocs. Some carpet and padding combinations can measure an r value of over. Having explained the science how can this information help make sound floor covering decisions in terms of energy efficiency. This is a thin and dense material with a very low r value.

The r values of the carpet and padding add together for a total r value. 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. 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. The key here is high density and a low r value.

In this case choose cushion and carpet. When you add both the r value of the carpet and the pad together you will get the complete r value and insulation value added to your home. Being in the middle with its r value fiber padding provides a pretty good warming and cooling property along with decent carpet support. While r value is an important factor to consider when choosing a flooring material you must also consider your aesthetic preferences.

For radiant floor heating you want the total r value to be as low as possible lower than 4 0. 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. As an alternative you can buy synthetic products that have a green label plus from the carpet and rug institute. 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. Notes to the table above. For example wool carpet rates a maximum r value of 2 1 while other types of carpet can rate as low as 0 7. 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.