Home > Shop > Drywall & Insulation > Insulation & Vapour Barrier > Rockwool > 2x4x2" ROCKWOOL COMFORTBOARD 80 (R8) (5 pcs/pk=40SF) 2x4x2" ROCKWOOL COMFORTBOARD 80 (R8) (5 pcs/pk=40SF) Item #: 05047620 Mfr #: 242RWCB80 $106.00 each Checking Inventory Add to Cart Overview: 5 Pcs / Bag