Go to menu Go to content

R and RSI value converter

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.


Discover the range of insulation products of SOPREMA

Contact your representative

You have questions about our products, systems or services?

Talk with your Sales Rep