Assertion: barrier's r value | /r/HasProperty | 5
Facets:
value: in 2×4 wall
type: LOCATION
Source sentences:
text: International Building Code R702.7.1 Class III vapor retarders are permitted for climate zones 4-8 when R-value of continuous insulation is >5 in 2×4 wall or >7.5 in 2×6 wall.