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I have been searching for an online calculator that can give me accurate results, I recently found a web site that has a nice R value calculator; you can check it out at this address - http://www.reflective-foil-insulation.com/thermal_analysis.php?application=residential

You can calculate all kinds of insulation products and applications, there is also lots of info about R value and U value.

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15y ago

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Related Questions

What does the r in r-value mean?

The R-value of insulating material is an indication of its effectiveness in reducing heat flow through walls, floor, and ceiling of a structure.


What is the significance of the r value when it comes to insulating a crawl space?

The r value is important for insulating a crawl space because it measures the material's ability to resist heat flow. A higher r value means better insulation, which helps maintain a consistent temperature in the crawl space and can improve energy efficiency in the home.


Insulating materials are rated by their?

R-value


Is a material with a lower R-value a better insulator than a material with a high R-value?

No. A higher R-value is a better insulator.


How thick a concrete wall would be needed to give the same insulating value as 3 and a half inches of fiberglass?

To provide the same insulation value as 3.5 inches of fiberglass, a concrete wall would need to be approximately 15-18 inches thick. Concrete is a poor insulator compared to fiberglass, so a much thicker wall is needed to achieve similar insulation properties. Alternatively, adding insulation material within the concrete wall can help improve its insulating capabilities.


What is the proper R value for insulating a crawl space in Delaware?

It's cold in Delaware, go for R-36.


How do builders describe the insulation ability of a material?

Builders typically describe the insulation ability of a material using its R-value, which measures the material's thermal resistance. A higher R-value indicates better insulation properties, as it signifies the material's ability to resist heat flow. The higher the R-value, the more effective the material is at insulating a building and reducing energy costs.


What material acts as the best insulator wood shavings fiberglass solid wood concrete?

Fiberglass is known to be the best insulating material among the options listed. It has a high R-value, which indicates its ability to resist heat flow effectively. Wood shavings, solid wood, and concrete have lower insulating properties compared to fiberglass.


What is the r value of material with a thermal conductivity of 2.0 and is 4 inches thick?

The r value of a material can be calculated by dividing the thickness of the material by its thermal conductivity. In this case, the r value would be 2 inches (4 inches / 2.0 = 2.0).


What is r value?

R value is a measure of the ability of a material to retard, or slow down, the movement of heat.


Is the R-value of insulation indicate resistance to heat flow?

Yes, the R-value of insulation indicates its resistance to heat flow. The higher the R-value, the greater the insulation's ability to resist heat transfer, making it more effective at insulating a building.


Does an insulation rated R-35 allow more heat to pass through an insulator rated R-1?

No, insulation rated R-35 offers better thermal resistance than insulation rated R-1. A higher R-value indicates better insulating properties and the ability to reduce heat transfer through the material.