4.1003.1c
Installation When using cellulose, stabilized product is preferred when available
On roof pitches less than 6/12, loose fill cellulose can be used; on roof pitches greater than 6/12, install non-woven polypropylene netting (webbing) baffles of the same height as the insulation every 6' across slope to prevent the loose fill insulation from sliding downward, or dense pack cellulose above webbing stapled to the bottom (underside) of the rafters
Loose fill fiberglass will only be used on a slope less than or equal to a 6/12 pitch or the slope application approved by the manufacturer, whichever is less (dense packed fiberglass at slopes greater than 6/12 may be used)
Roof cavities will be insulated with loose fill according to manufacturer specifications without gaps, voids, compressions, misalignments, or wind intrusions
Insulation will be installed to prescribed R-value
Ensure appropriate material and application
Insulate to prescribed R-value
4.1003.1d
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