I have two bags of Igloo Cellulose insulation, designed for thermal and acoustic applications in buildings. It is a bio-based material made primarily from recycled paper fibers. anti-corrosive, anti-mold, and anti-vermin.
The insulation is intended for use in attics, walls, and floors to improve energy efficiency and dampen sound. One 25 lb bag typically covers about 48.8 sq. ft. depending on the desired R-value.
It typically retails for $13.31 to $20.00
Features from website
- Consists of 85% recycled newspaper and 15% other components that are safe, natural and biodegradable
- Offers an excellent thermal resistance of R-factor 3.7 per inch
- Creates a solid barrier by fitting everywhere and enclosing even pipes and wires
- Retains 100% of its insulating value in conditions of extreme cold weather, unlike other insulators.
- The best cost/efficiency ratio of all insulation materials
- Contributes significantly to the energy efficiency of the building's envelope
- Does not ignite and delays the spread of fire (More fire-resistant than most other types of insulation)
- With its uniform density, will not sag and retains its insulating properties throughout the life of the building
- Excellent acoustic insulator capable of absorbing high frequencies of 200 to 2,000 hertz.