Assertion: foam insulation | /r/HasAspect | initial r-value
Facets:
value: to r-6.7 per inch
type: OTHER
value: around r-3.4
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: As a result of the high thermal resistance of the gas, spray polyurethane insulation typically has an initial R-value around R-3.4 to R-6.7 per inch.