4.1301.3b
Rigid
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
A rigid
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
will be mechanically fastened to underside of floor assembly, providing 100% coverage of the floor assembly
Seams and penetrations will be sealed
Relocate
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
4.1301.3c
Installation Loose fill insulation will be installed between
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
and subfloor according to manufacturer specifications
Insulation will be installed to prescribed R-value
Insulate to prescribed R-value
4.1301.3d
Occupant education A dated receipt signed by the installer will be provided that includes:
Insulation type
Coverage area
R-value
Installed thickness and minimum settled thickness
Number of bags installed in accordance with manufacturer specifications Document job completion to contract specifications
Confirm amount of insulation installed
Ensure ability to match bags required for total area completed
Comply with 16 CFR 460.17