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18 lut 2014 · A team of software developers is offering a free online calculator you can use to compare the thermal performance and cost of a variety of roof, floor, and wall assemblies. Ekotrope is part of a larger application of the same name that the company sells to residential designers.
This web page calculates insulation R-values for whole floor, wall and roof constructions based on insulation R-values and the selected construction type.
12 wrz 2023 · How to Find the R-Value of a Roof. To calculate the total roof R-value, find the total thickness in inches of each type of insulating material within the roof system. For each different material, multiply the thickness in inches by the standard R-value per inch for that material.
30 wrz 2023 · R-value chart gives R-values for commercial and residential insulation and roofing products. Use this table to calculate roof R-value or RSI value.
The R-Value formula is the measure of a material’s ability to resist heat flow. The higher the R-Value, the better the insulation. This is because it means that the material can better resist heat flow, keeping your home warmer in the winter and cooler in the summer. The formula is:
Ekotrope’s Free Calculators. Our calculators allow you to compute the R value (or U Factor) of your assembly. Ekotrope also offers full home modeling tools to industry professionals and universities to support IECC code compliance, LEED for Homes, ENERGY STAR, 45L, etc.
Our calculator helps you measure what r value for exterior walls you may be looking for, as well as for different applications. i.e. ceiling insulation R value, R value for walls and more. Click to launch the Effective R-Value Calculator.
