It's been around for decades, but hard to find. It works as well as cellulose and is easy to install.
The Blue Jeans Go Green Program - Denim Recycling Program
NEW IDEAS FOR GREEN INSULATION
Guess Goes Green in Denim Recycling Campaign
Eco Erek” continues economizing denim
Cotton's Blue Jeans Go Green Program Continues To Thrive - Cotton Farming
RECYCLED BLUE JEAN INSULATION by Bonded Logic
Recycle Your Denim - Blue Jeans Go Green Program
Denim donations turn jeans into insulation for homes
Chandler recycling company gives jeans a new life
How to Recycle Your Clothing: Tips for a Sustainable Lifestyle
Our Eco-Friendly Packaging
H&M, Zara Fast Fashion Waste Leaves Environmental Impact - Bloomberg
Denim Insulation
SouthState Diverts Textile Waste Through Denim Drive