Knauf R-11 15 In. x 40 Ft. Greenguard Kraft Faced Roll Fiberglass Insulation

Reduces heating and cooling costs by increasing the insulating value of walls, ceilings, and floors. Keep your house warmer in the winter and cooler in the summer. Easy, DIY installation. GreenGuard Certified, LEED eligible and free of phenol, formaldehyde, acrylics or artificial colors.