588ade5c_es____GreenBuildingAdvisor_com__Criteria
[Component] Ceiling/Attic [Criteria] 
Air barrier in any dropped ceiling or soffit is substantially aligned with insulation, and any gaps are sealed. Attic access (except unvented attic), kneewall door, or drop-down stair is sealed.
What's All This Hot Air About Air-Sealing Measures? | GreenBuildingAdvisor.com
Criteria