Assertion: insulation's r value | /r/HasProperty | determined
Facets:
value: by using a heat flux sensor
type: MANNER
Source sentences:
text: The R-value of a building element can be determined by using a heat flux sensor in combination with two temperature sensors.
text: The R-value of the insulated siding is determined by subtracting the measured R-value of the base wall from that of the entire assembly.