Blown-In Cellulose Insulation: Complete Buying Guide 2026
Blown-in cellulose insulation is made from recycled paper treated with fire retardants. It fills gaps and irregular spaces better than batts and is one of the most environmentally friendly insulation options. In 2026, blown-in cellulose insulation prices average $1.20 per sq ft, with a typical range of $0.80 to $1.80 depending on your region, supplier relationships, and order quantity.
When budgeting for a project using blown-in cellulose insulation, factor in approximately 5% additional material for waste, plus labor costs averaging $0.80 per sq ft for professional installation. A typical project using this material runs approximately $2,200 including both materials and labor.
With an expected lifespan of 50 years, blown-in cellulose insulation represents a cost of approximately $0.02 per sq ft per year of service life. This exceptional longevity makes it one of the most cost-effective materials when measured over its full lifespan.