insulation
Cellulose blown-in
Recycled-newspaper-fiber insulation blown into attics or dense-packed into wall cavities. Excellent thermal + acoustic performance; high recycled content.
Cost tier
MID
Cost / sqft
$1.5–$3.5
Install
specialty
Durability
high
Maintenance
low
Moisture
fair
Cost notes
Borate-treated for fire + insect resistance. Settles 10-20% in attics; specify R-value at settled density.
Aesthetic
- Finish: concealed
- Color range: gray
- Visual weight: light
Climate suitability
✓ Hot-humid
✓ Hot-dry
✓ Mixed-humid
✓ Mixed-dry
✓ Cold
✓ Arctic
Source
Architectural Graphic Standards — Architectural Graphic Standards (Ramsey/Sleeper) — Materials chapter
Tags: cellulose, blown-in, recycled, sustainable