r-value

Questions

What does r-value mean?

A measure of thermal resistance used in domestic insulation.

Where does r-value come from?

Short for resistance value.

How to pronounce r-value

1. Open the pronunciation page — Open the Speakur entry for “r-value”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “r-value”.
4. Repeat and practice — Say “r-value” aloud, matching stress and vowels until it feels natural.