Contractors/ Builders Contractors/ Builders GreenFiber Insulation Increases Your Bottom Line When it comes to buying new homes or upgrading their existing homes, people are more savvy than ever, and are looking for smart new ways to save energy. And today, one of the most effective ways to do that is through energy efficient* GreenFiber Insulation. So much so, that builders and homeowners are even requesting it-often settling for nothing less. GreenFiber Insulation is made from 85% recycled paper fiber, or cellulose. GreenFiber Insulation offers you, the quality building contractor, a new service to builders and homeowners, ultimately increasing your bottom line.*Savings vary. Find out why in the seller's fact sheet on R-values. Higher R-values mean greater insulating power.