R-6.3 Comfortboard 80 1-1/2 in. x 24 in. x 48 in. Stone Wool Insulated Sheathing Board (48 sqft)
- Continuous stone wool insulation that reduces thermal bridging
- Rigid board insulation, one bag includes 6 pieces, covers 48 sqft
- Fire resistant, sound absorbent for exterior walls and basements
