Subtopic 3.1502 Isolating From Living Space

Effective air barrier Air barrier The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary between the garage and all other spaces of the building prevents carbon monoxide ( CO CO Carbon monoxide ) and exhaust fumes from entering the building

Safe removal of supply and/or return registers