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Learn about Cellulose Blown-in Insulation

Cellulose Blown-in Insulation

Cellulose insulation is loose insulation most commonly made of shredded recycled paper, cardboard boxes, and other widely discarded waste paper products. It's considered an eco-friendly product due to its recycled nature. Cellulose insulation is blown, poured, or packed into wall cavities and attic spaces. The density and thickness of cellulose insulation allow for application between walls, in tight spaces, around ducts, and wires.

R-value measures the insulating ability of materials. The thicker the insulation, the higher the R-value. Blown-in cellulose typically has an R-value of about 3.5 per inch, so a 17-inch layer gives you R60. Due to its properties, loose-fill cellulose insulation is one of the only insulation materials that can be added to finished walls. Other common insulation types, such as fiberglass batts, would require the drywall to be removed. Cellulose insulation lasts 20-30 years and will deteriorate over the years, meaning it becomes less efficient over time. Although the lifespan may be lower than it's fiberglass counterpart, it does provide airtight characteristics that fiberglass does not.

Provides good insulation value, is quick to install, and is made from recycled paper.

Some building supply stores will let you rent the cellulose blowing machine for <strong>FREE</strong> if you buy at least 10 bags of insulation.