1.

How we have to use R value differently

Answer»

Answer:

Hope it helps you.

Explanation:

The R-value is the building industry term for THERMAL RESISTANCE "per unit area." It is sometimes denoted RSI-value if the SI (METRIC) units are used. An R-value can be given for a material (e.g. for POLYETHYLENE foam), or for an assembly of materials (e.g. a wall or a WINDOW).



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