Blown Cellulose

Would it surprise you to learn that cellulose is the most common building material in the world? It shouldn't, because wood is cellulose, and you'll find more wood used in construction than any other material. You might be tempted to think of cellulose insulation as paper, or even ground-up paper, but in fact it's not. While clean, recycled paper and cardboards form the basis of cellulose insulation, cellulose is these recycled materials processesed back to their fibrous state, bearing no resemblance to the original paper.