Both R and RSI serve to indicate the extent to which insulator is effective in blocking heat transfer. The RSI value is based on the metric system, while the R value is its imperial equivalent. Use the calculator below to get the conversion.
Both R and RSI serve to indicate the extent to which insulator is effective in blocking heat transfer. The RSI value is based on the metric system, while the R value is its imperial equivalent. Use the calculator below to get the conversion.