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
- R-11
- 15 In. x 40 Ft.