Assertion: cellulose's r value | /r/CapableOf | decrease by as much as 50%
Facets:
value: due to air circulation
type: CAUSE
value: due to natural convection
type: CAUSE
Source sentences:
text: Due to air circulation and natural convection, the R-value of blown-in fiberglass insulation decreases by as much as 50% as the temperature drops from 45 degrees