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Steps Involved in Building a HouseSpike's Calculators

Convert the R values to RSI values

The R value of insulation is a measure of resistance to heat flow, how much heat it will stop based on the thickness of the insulation. The RSI value of insulation is the metric equivalent of R value.

To convert R values to RSI values, divide the R value by 5.67826
To convert RSI values to R values, multiply RSI by 5.67826

R value to RSI Conversion
R-Value #

Results:

RSI Value #
RSI to R value Conversion
RSI #

Results:

R Value #

Convert the R values to U values

Doors and windows will have energy efficiency ratings expressed as U values. The U-value is the mathematical reciprocal of the R-value and the lower the U-factor, the more energy-efficient the window or door

R-value to U-value Conversion
R Value #

Results:

U-Value#




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